diff options
| author | Jozef Lawrynowicz <jozef.l@mittosystems.com> | 2018-12-06 16:14:01 +0000 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2019-01-23 10:46:24 +0100 |
| commit | b14a879d85b171960df789ac8ba2332004f838e0 (patch) | |
| tree | 532dd01e4a882b5cf7d50ad237082574c01e67f6 /newlib | |
| parent | 1f10a00ba717b22b154205508e60af0dcb641ed3 (diff) | |
| download | newlib-b14a879d85b171960df789ac8ba2332004f838e0.zip newlib-b14a879d85b171960df789ac8ba2332004f838e0.tar.gz newlib-b14a879d85b171960df789ac8ba2332004f838e0.tar.bz2 | |
Remove matherr, and SVID and X/Open math library configurations
Default math library configuration is now IEEE
Diffstat (limited to 'newlib')
75 files changed, 405 insertions, 2298 deletions
diff --git a/newlib/libc/include/math.h b/newlib/libc/include/math.h index 893a5d0..1efc5b9 100644 --- a/newlib/libc/include/math.h +++ b/newlib/libc/include/math.h @@ -568,41 +568,6 @@ extern int *__signgam (void); #define __signgam_r(ptr) _REENT_SIGNGAM(ptr) #endif /* __MISC_VISIBLE || __XSI_VISIBLE */ -#if __SVID_VISIBLE -/* The exception structure passed to the matherr routine. */ -/* We have a problem when using C++ since `exception' is a reserved - name in C++. */ -#ifdef __cplusplus -struct __exception -#else -struct exception -#endif -{ - int type; - char *name; - double arg1; - double arg2; - double retval; - int err; -}; - -#ifdef __cplusplus -extern int matherr (struct __exception *e); -#else -extern int matherr (struct exception *e); -#endif - -/* Values for the type field of struct exception. */ - -#define DOMAIN 1 -#define SING 2 -#define OVERFLOW 3 -#define UNDERFLOW 4 -#define TLOSS 5 -#define PLOSS 6 - -#endif /* __SVID_VISIBLE */ - /* Useful constants. */ #if __BSD_VISIBLE || __XSI_VISIBLE @@ -642,8 +607,6 @@ extern int matherr (struct exception *e); enum __fdlibm_version { __fdlibm_ieee = -1, - __fdlibm_svid, - __fdlibm_xopen, __fdlibm_posix }; @@ -653,8 +616,6 @@ enum __fdlibm_version extern __IMPORT _LIB_VERSION_TYPE _LIB_VERSION; #define _IEEE_ __fdlibm_ieee -#define _SVID_ __fdlibm_svid -#define _XOPEN_ __fdlibm_xopen #define _POSIX_ __fdlibm_posix #endif /* __BSD_VISIBLE */ diff --git a/newlib/libc/machine/necv70/necv70.tex b/newlib/libc/machine/necv70/necv70.tex index 9c15304..c7858c2 100644 --- a/newlib/libc/machine/necv70/necv70.tex +++ b/newlib/libc/machine/necv70/necv70.tex @@ -35,7 +35,7 @@ double x; The library has an entry @code{fast_sin} which uses the machine instruction @code{fsin.l} to perform the operation. Note that the -built-in instructions cannot call @code{matherr} or set @code{errno} +built-in instructions cannot set @code{errno} in the same way that the C coded functions do. Refer to a V70 instruction manual to see how errors are generated and handled. diff --git a/newlib/libc/saber b/newlib/libc/saber index 4f16f97..154eddf 100644 --- a/newlib/libc/saber +++ b/newlib/libc/saber @@ -173,7 +173,6 @@ load math/log10.c load math/log1p.c load math/log2.c load math/log__L.c -load math/matherr.c load math/modf.c load math/pow.c load math/scalb.c diff --git a/newlib/libm/common/Makefile.am b/newlib/libm/common/Makefile.am index b085671..1eef023 100644 --- a/newlib/libm/common/Makefile.am +++ b/newlib/libm/common/Makefile.am @@ -8,7 +8,7 @@ src = s_finite.c s_copysign.c s_modf.c s_scalbn.c \ s_cbrt.c s_exp10.c s_expm1.c s_ilogb.c \ s_infinity.c s_isinf.c s_isinfd.c s_isnan.c s_isnand.c \ s_log1p.c s_nan.c s_nextafter.c s_pow10.c \ - s_rint.c s_logb.c s_log2.c s_matherr.c s_lib_ver.c \ + s_rint.c s_logb.c s_log2.c s_lib_ver.c \ s_fdim.c s_fma.c s_fmax.c s_fmin.c s_fpclassify.c \ s_lrint.c s_llrint.c \ s_lround.c s_llround.c s_nearbyint.c s_remquo.c s_round.c s_scalbln.c \ @@ -62,7 +62,7 @@ endif # USE_LIBTOOL include $(srcdir)/../../Makefile.shared CHEWOUT_FILES = s_cbrt.def s_copysign.def s_exp10.def s_expm1.def s_ilogb.def \ - s_infinity.def s_isnan.def s_log1p.def s_matherr.def s_modf.def \ + s_infinity.def s_isnan.def s_log1p.def s_modf.def \ s_nan.def s_nextafter.def s_pow10.def s_scalbn.def \ s_fdim.def s_fma.def s_fmax.def s_fmin.def \ s_logb.def s_log2.def s_lrint.def s_lround.def s_nearbyint.def \ diff --git a/newlib/libm/common/Makefile.in b/newlib/libm/common/Makefile.in index a777a34..2caf7dd 100644 --- a/newlib/libm/common/Makefile.in +++ b/newlib/libm/common/Makefile.in @@ -85,20 +85,19 @@ am__objects_1 = lib_a-s_finite.$(OBJEXT) lib_a-s_copysign.$(OBJEXT) \ lib_a-s_nan.$(OBJEXT) lib_a-s_nextafter.$(OBJEXT) \ lib_a-s_pow10.$(OBJEXT) lib_a-s_rint.$(OBJEXT) \ lib_a-s_logb.$(OBJEXT) lib_a-s_log2.$(OBJEXT) \ - lib_a-s_matherr.$(OBJEXT) lib_a-s_lib_ver.$(OBJEXT) \ - lib_a-s_fdim.$(OBJEXT) lib_a-s_fma.$(OBJEXT) \ - lib_a-s_fmax.$(OBJEXT) lib_a-s_fmin.$(OBJEXT) \ - lib_a-s_fpclassify.$(OBJEXT) lib_a-s_lrint.$(OBJEXT) \ - lib_a-s_llrint.$(OBJEXT) lib_a-s_lround.$(OBJEXT) \ - lib_a-s_llround.$(OBJEXT) lib_a-s_nearbyint.$(OBJEXT) \ - lib_a-s_remquo.$(OBJEXT) lib_a-s_round.$(OBJEXT) \ - lib_a-s_scalbln.$(OBJEXT) lib_a-s_signbit.$(OBJEXT) \ - lib_a-s_trunc.$(OBJEXT) lib_a-exp.$(OBJEXT) \ - lib_a-exp2.$(OBJEXT) lib_a-exp_data.$(OBJEXT) \ - lib_a-math_err.$(OBJEXT) lib_a-log.$(OBJEXT) \ - lib_a-log_data.$(OBJEXT) lib_a-log2.$(OBJEXT) \ - lib_a-log2_data.$(OBJEXT) lib_a-pow.$(OBJEXT) \ - lib_a-pow_log_data.$(OBJEXT) + lib_a-s_lib_ver.$(OBJEXT) lib_a-s_fdim.$(OBJEXT) \ + lib_a-s_fma.$(OBJEXT) lib_a-s_fmax.$(OBJEXT) \ + lib_a-s_fmin.$(OBJEXT) lib_a-s_fpclassify.$(OBJEXT) \ + lib_a-s_lrint.$(OBJEXT) lib_a-s_llrint.$(OBJEXT) \ + lib_a-s_lround.$(OBJEXT) lib_a-s_llround.$(OBJEXT) \ + lib_a-s_nearbyint.$(OBJEXT) lib_a-s_remquo.$(OBJEXT) \ + lib_a-s_round.$(OBJEXT) lib_a-s_scalbln.$(OBJEXT) \ + lib_a-s_signbit.$(OBJEXT) lib_a-s_trunc.$(OBJEXT) \ + lib_a-exp.$(OBJEXT) lib_a-exp2.$(OBJEXT) \ + lib_a-exp_data.$(OBJEXT) lib_a-math_err.$(OBJEXT) \ + lib_a-log.$(OBJEXT) lib_a-log_data.$(OBJEXT) \ + lib_a-log2.$(OBJEXT) lib_a-log2_data.$(OBJEXT) \ + lib_a-pow.$(OBJEXT) lib_a-pow_log_data.$(OBJEXT) am__objects_2 = lib_a-sf_finite.$(OBJEXT) lib_a-sf_copysign.$(OBJEXT) \ lib_a-sf_modf.$(OBJEXT) lib_a-sf_scalbn.$(OBJEXT) \ lib_a-sf_cbrt.$(OBJEXT) lib_a-sf_exp10.$(OBJEXT) \ @@ -164,9 +163,9 @@ am__objects_5 = s_finite.lo s_copysign.lo s_modf.lo s_scalbn.lo \ s_cbrt.lo s_exp10.lo s_expm1.lo s_ilogb.lo s_infinity.lo \ s_isinf.lo s_isinfd.lo s_isnan.lo s_isnand.lo s_log1p.lo \ s_nan.lo s_nextafter.lo s_pow10.lo s_rint.lo s_logb.lo \ - s_log2.lo s_matherr.lo s_lib_ver.lo s_fdim.lo s_fma.lo \ - s_fmax.lo s_fmin.lo s_fpclassify.lo s_lrint.lo s_llrint.lo \ - s_lround.lo s_llround.lo s_nearbyint.lo s_remquo.lo s_round.lo \ + s_log2.lo s_lib_ver.lo s_fdim.lo s_fma.lo s_fmax.lo s_fmin.lo \ + s_fpclassify.lo s_lrint.lo s_llrint.lo s_lround.lo \ + s_llround.lo s_nearbyint.lo s_remquo.lo s_round.lo \ s_scalbln.lo s_signbit.lo s_trunc.lo exp.lo exp2.lo \ exp_data.lo math_err.lo log.lo log_data.lo log2.lo \ log2_data.lo pow.lo pow_log_data.lo @@ -355,7 +354,7 @@ src = s_finite.c s_copysign.c s_modf.c s_scalbn.c \ s_cbrt.c s_exp10.c s_expm1.c s_ilogb.c \ s_infinity.c s_isinf.c s_isinfd.c s_isnan.c s_isnand.c \ s_log1p.c s_nan.c s_nextafter.c s_pow10.c \ - s_rint.c s_logb.c s_log2.c s_matherr.c s_lib_ver.c \ + s_rint.c s_logb.c s_log2.c s_lib_ver.c \ s_fdim.c s_fma.c s_fmax.c s_fmin.c s_fpclassify.c \ s_lrint.c s_llrint.c \ s_lround.c s_llround.c s_nearbyint.c s_remquo.c s_round.c s_scalbln.c \ @@ -406,7 +405,7 @@ DOCBOOK_OUT_FILES = $(CHEWOUT_FILES:.def=.xml) DOCBOOK_CHAPTERS = $(CHAPTERS:.tex=.xml) CLEANFILES = $(CHEWOUT_FILES) $(DOCBOOK_OUT_FILES) CHEWOUT_FILES = s_cbrt.def s_copysign.def s_exp10.def s_expm1.def s_ilogb.def \ - s_infinity.def s_isnan.def s_log1p.def s_matherr.def s_modf.def \ + s_infinity.def s_isnan.def s_log1p.def s_modf.def \ s_nan.def s_nextafter.def s_pow10.def s_scalbn.def \ s_fdim.def s_fma.def s_fmax.def s_fmin.def \ s_logb.def s_log2.def s_lrint.def s_lround.def s_nearbyint.def \ @@ -603,12 +602,6 @@ lib_a-s_log2.o: s_log2.c lib_a-s_log2.obj: s_log2.c $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_log2.obj `if test -f 's_log2.c'; then $(CYGPATH_W) 's_log2.c'; else $(CYGPATH_W) '$(srcdir)/s_log2.c'; fi` -lib_a-s_matherr.o: s_matherr.c - $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_matherr.o `test -f 's_matherr.c' || echo '$(srcdir)/'`s_matherr.c - -lib_a-s_matherr.obj: s_matherr.c - $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_matherr.obj `if test -f 's_matherr.c'; then $(CYGPATH_W) 's_matherr.c'; else $(CYGPATH_W) '$(srcdir)/s_matherr.c'; fi` - lib_a-s_lib_ver.o: s_lib_ver.c $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-s_lib_ver.o `test -f 's_lib_ver.c' || echo '$(srcdir)/'`s_lib_ver.c diff --git a/newlib/libm/common/fdlibm.h b/newlib/libm/common/fdlibm.h index 2155f51..8dfff24 100644 --- a/newlib/libm/common/fdlibm.h +++ b/newlib/libm/common/fdlibm.h @@ -16,9 +16,6 @@ #include <sys/types.h> #include <machine/ieeefp.h> -/* REDHAT LOCAL: Default to XOPEN_MODE. */ -#define _XOPEN_MODE - /* Most routines need to check whether a float is finite, infinite, or not a number, and many need to know whether the result of an operation will overflow. These conditions depend on whether the largest exponent is diff --git a/newlib/libm/common/hypotl.c b/newlib/libm/common/hypotl.c index cf67ccf..a0dcdc3 100644 --- a/newlib/libm/common/hypotl.c +++ b/newlib/libm/common/hypotl.c @@ -52,36 +52,14 @@ hypotl (long double x, long double y) if ((! finitel (z)) && finitel (x) && finitel (y)) { /* hypot (finite, finite) overflow. */ - struct exception exc; - - exc.type = OVERFLOW; - exc.name = "hypotl"; - exc.err = 0; - exc.arg1 = x; - exc.arg2 = y; - - if (_LIB_VERSION == _SVID_) - exc.retval = HUGE; - else - { #ifndef HUGE_VAL #define HUGE_VAL inf - double inf = 0.0; + double inf = 0.0; - SET_HIGH_WORD (inf, 0x7ff00000); /* Set inf to infinite. */ + SET_HIGH_WORD (inf, 0x7ff00000); /* Set inf to infinite. */ #endif - exc.retval = HUGE_VAL; - } - - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (! matherr (& exc)) - errno = ERANGE; - - if (exc.err != 0) - errno = exc.err; - - return (long double) exc.retval; + errno = ERANGE; + return (long double) HUGE_VAL; } return z; diff --git a/newlib/libm/common/s_exp10.c b/newlib/libm/common/s_exp10.c index 08fa5ff..6bd027f 100644 --- a/newlib/libm/common/s_exp10.c +++ b/newlib/libm/common/s_exp10.c @@ -34,9 +34,6 @@ DESCRIPTION $10^x$ @end tex - You can use the (non-ANSI) function <<matherr>> to specify - error handling for these functions. - RETURNS On success, <<exp10>> and <<exp10f>> return the calculated value. If the result underflows, the returned value is <<0>>. If the diff --git a/newlib/libm/common/s_lib_ver.c b/newlib/libm/common/s_lib_ver.c index 15c8b41..8da03b7 100644 --- a/newlib/libm/common/s_lib_ver.c +++ b/newlib/libm/common/s_lib_ver.c @@ -24,10 +24,10 @@ _LIB_VERSION_TYPE _LIB_VERSION = _POSIX_; #else #ifdef _XOPEN_MODE -_LIB_VERSION_TYPE _LIB_VERSION = _XOPEN_; +#error _XOPEN_MODE is unsupported #else #ifdef _SVID3_MODE -_LIB_VERSION_TYPE _LIB_VERSION = _SVID_; +#error _SVID3_MODE is unsupported #else /* default _IEEE_MODE */ _LIB_VERSION_TYPE _LIB_VERSION = _IEEE_; #endif diff --git a/newlib/libm/common/s_log2.c b/newlib/libm/common/s_log2.c index 0b1ec1d..724148c 100644 --- a/newlib/libm/common/s_log2.c +++ b/newlib/libm/common/s_log2.c @@ -38,10 +38,6 @@ macros defined in math.h: . #define log2f(x) (logf (x) / (float) _M_LN2) To use the functions instead, just undefine the macros first. -You can use the (non-ANSI) function <<matherr>> to specify error -handling for these functions, indirectly through the respective <<log>> -function. - RETURNS The <<log2>> functions return @ifnottex @@ -54,8 +50,7 @@ on success. When <[x]> is zero, the returned value is <<-HUGE_VAL>> and <<errno>> is set to <<ERANGE>>. When <[x]> is negative, the returned value is NaN (not a number) and -<<errno>> is set to <<EDOM>>. You can control the error behavior via -<<matherr>>. +<<errno>> is set to <<EDOM>>. PORTABILITY C99, POSIX, System V Interface Definition (Issue 6). diff --git a/newlib/libm/common/s_matherr.c b/newlib/libm/common/s_matherr.c deleted file mode 100644 index 00d2caa..0000000 --- a/newlib/libm/common/s_matherr.c +++ /dev/null @@ -1,118 +0,0 @@ - -/* @(#)s_matherr.c 5.1 93/09/24 */ -/* - * ==================================================== - * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. - * - * Developed at SunPro, a Sun Microsystems, Inc. business. - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* - -FUNCTION - <<matherr>>---modifiable math error handler - -INDEX - matherr - -SYNOPSIS - #include <math.h> - int matherr(struct exception *<[e]>); - -DESCRIPTION -<<matherr>> is called whenever a math library function generates an error. -You can replace <<matherr>> by your own subroutine to customize -error treatment. The customized <<matherr>> must return 0 if -it fails to resolve the error, and non-zero if the error is resolved. - -When <<matherr>> returns a nonzero value, no error message is printed -and the value of <<errno>> is not modified. You can accomplish either -or both of these things in your own <<matherr>> using the information -passed in the structure <<*<[e]>>>. - -This is the <<exception>> structure (defined in `<<math.h>>'): -. struct exception { -. int type; -. char *name; -. double arg1, arg2, retval; -. int err; -. }; - -The members of the exception structure have the following meanings: -o+ -o type -The type of mathematical error that occured; macros encoding error -types are also defined in `<<math.h>>'. - -o name -a pointer to a null-terminated string holding the -name of the math library function where the error occurred. - -o arg1, arg2 -The arguments which caused the error. - -o retval -The error return value (what the calling function will return). - -o err -If set to be non-zero, this is the new value assigned to <<errno>>. -o- - -The error types defined in `<<math.h>>' represent possible mathematical -errors as follows: - -o+ -o DOMAIN -An argument was not in the domain of the function; e.g. <<log(-1.0)>>. - -o SING -The requested calculation would result in a singularity; e.g. <<pow(0.0,-2.0)>> - -o OVERFLOW -A calculation would produce a result too large to represent; e.g. -<<exp(1000.0)>>. - -o UNDERFLOW -A calculation would produce a result too small to represent; e.g. -<<exp(-1000.0)>>. - -o TLOSS -Total loss of precision. The result would have no significant digits; -e.g. <<sin(10e70)>>. - -o PLOSS -Partial loss of precision. -o- - - -RETURNS -The library definition for <<matherr>> returns <<0>> in all cases. - -You can change the calling function's result from a customized <<matherr>> -by modifying <<e->retval>>, which propagates backs to the caller. - -If <<matherr>> returns <<0>> (indicating that it was not able to resolve -the error) the caller sets <<errno>> to an appropriate value, and prints -an error message. - -PORTABILITY -<<matherr>> is not ANSI C. -*/ - -#include "fdlibm.h" - -#ifdef __STDC__ - int matherr(struct exception *x) -#else - int matherr(x) - struct exception *x; -#endif -{ - int n=0; - if(x->arg1!=x->arg1) return 0; - return n; -} diff --git a/newlib/libm/common/s_pow10.c b/newlib/libm/common/s_pow10.c index 46645c7..a9e7284 100644 --- a/newlib/libm/common/s_pow10.c +++ b/newlib/libm/common/s_pow10.c @@ -34,9 +34,6 @@ DESCRIPTION $10^x$ @end tex - You can use the (non-ANSI) function <<matherr>> to specify - error handling for these functions. - RETURNS On success, <<pow10>> and <<pow10f>> return the calculated value. If the result underflows, the returned value is <<0>>. If the diff --git a/newlib/libm/complex/Makefile.in b/newlib/libm/complex/Makefile.in index f812899..20b3b17 100644 --- a/newlib/libm/complex/Makefile.in +++ b/newlib/libm/complex/Makefile.in @@ -271,7 +271,6 @@ pdfdir = @pdfdir@ prefix = @prefix@ program_transform_name = @program_transform_name@ psdir = @psdir@ -runstatedir = @runstatedir@ sbindir = @sbindir@ sharedstatedir = @sharedstatedir@ srcdir = @srcdir@ diff --git a/newlib/libm/libm.texinfo b/newlib/libm/libm.texinfo index f55ad72..a579a17 100644 --- a/newlib/libm/libm.texinfo +++ b/newlib/libm/libm.texinfo @@ -107,23 +107,13 @@ into another language, under the above conditions for modified versions. @cindex reentrancy @cindex @code{matherr} and reentrancy When a libm function detects an exceptional case, @code{errno} may be -set, the @code{matherr} function may be called, and a error message -may be written to the standard error stream. This behavior may not -be reentrant. +set. @c The exact behavior depends on the currently selected error handling -@c mode (IEEE, POSIX, X/Open, or SVID). +@c mode (IEEE or POSIX). -With reentrant C libraries like the Red Hat newlib C library, @code{errno} is -a macro which expands to the per-thread error value. This makes it thread -safe. - -When the user provides his own @code{matherr} function it must be -reentrant for the math library as a whole to be reentrant. - -In normal debugged programs, there are usually no math subroutine -errors---and therefore no assignments to @code{errno} and no @code{matherr} -calls; in that situation, the math functions behave reentrantly. +@code{errno} is a macro which expands to the per-thread error value. +This makes it thread safe, and therefore reentrant. @node Long Double Functions @chapter The long double function support of @code{libm} diff --git a/newlib/libm/math/k_standard.c b/newlib/libm/math/k_standard.c index 0d72f1a..91fd6c3 100644 --- a/newlib/libm/math/k_standard.c +++ b/newlib/libm/math/k_standard.c @@ -31,7 +31,7 @@ static double zero = 0.0; /* used as const */ #endif /* - * Standard conformance (non-IEEE) on exception cases. + * POSIX Standard conformance on exception cases. * Mapping: * 1 -- acos(|x|>1) * 2 -- asin(|x|>1) @@ -85,7 +85,7 @@ static double zero = 0.0; /* used as const */ double x,y; int type; #endif { - struct exception exc; + double retval = 0.0; #ifndef HUGE_VAL /* this is the only routine that uses HUGE_VAL */ #define HUGE_VAL inf double inf = 0.0; @@ -96,689 +96,264 @@ static double zero = 0.0; /* used as const */ #ifdef _USE_WRITE /* (void) fflush(_stdout_r(p)); */ #endif - exc.arg1 = x; - exc.arg2 = y; - exc.err = 0; switch(type) { case 1: case 101: /* acos(|x|>1) */ - exc.type = DOMAIN; - exc.name = type < 100 ? "acos" : "acosf"; - exc.retval = zero; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - /* if(_LIB_VERSION == _SVID_) { - (void) WRITE2("acos: DOMAIN error\n", 19); - } */ - errno = EDOM; - } + retval = zero; + errno = EDOM; break; case 2: case 102: /* asin(|x|>1) */ - exc.type = DOMAIN; - exc.name = type < 100 ? "asin" : "asinf"; - exc.retval = zero; - if(_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - /* if(_LIB_VERSION == _SVID_) { - (void) WRITE2("asin: DOMAIN error\n", 19); - } */ - errno = EDOM; - } + retval = zero; + errno = EDOM; break; case 3: case 103: /* atan2(+-0,+-0) */ - exc.arg1 = y; - exc.arg2 = x; - exc.type = DOMAIN; - exc.name = type < 100 ? "atan2" : "atan2f"; - exc.retval = zero; - if(_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - /* if(_LIB_VERSION == _SVID_) { - (void) WRITE2("atan2: DOMAIN error\n", 20); - } */ - errno = EDOM; - } + retval = zero; + errno = EDOM; break; case 4: case 104: /* hypot(finite,finite) overflow */ - exc.type = OVERFLOW; - exc.name = type < 100 ? "hypot" : "hypotf"; - if (_LIB_VERSION == _SVID_) - exc.retval = HUGE; - else - exc.retval = HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } + retval = HUGE_VAL; + errno = ERANGE; break; case 5: case 105: /* cosh(finite) overflow */ - exc.type = OVERFLOW; - exc.name = type < 100 ? "cosh" : "coshf"; - if (_LIB_VERSION == _SVID_) - exc.retval = HUGE; - else - exc.retval = HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } + retval = HUGE_VAL; + errno = ERANGE; break; case 6: case 106: /* exp(finite) overflow */ - exc.type = OVERFLOW; - exc.name = type < 100 ? "exp" : "expf"; - if (_LIB_VERSION == _SVID_) - exc.retval = HUGE; - else - exc.retval = HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } + retval = HUGE_VAL; + errno = ERANGE; break; case 7: case 107: /* exp(finite) underflow */ - exc.type = UNDERFLOW; - exc.name = type < 100 ? "exp" : "expf"; - exc.retval = zero; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } + retval = zero; + errno = ERANGE; break; case 8: case 108: /* y0(0) = -inf */ - exc.type = DOMAIN; /* should be SING for IEEE */ - exc.name = type < 100 ? "y0" : "y0f"; - if (_LIB_VERSION == _SVID_) - exc.retval = -HUGE; - else - exc.retval = -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2("y0: DOMAIN error\n", 17); - } */ - errno = EDOM; - } + retval = -HUGE_VAL; + errno = EDOM; break; case 9: case 109: /* y0(x<0) = NaN */ - exc.type = DOMAIN; - exc.name = type < 100 ? "y0" : "y0f"; - if (_LIB_VERSION == _SVID_) - exc.retval = -HUGE; - else - exc.retval = -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - /*if (_LIB_VERSION == _SVID_) { - (void) WRITE2("y0: DOMAIN error\n", 17); - } */ - errno = EDOM; - } + retval = -HUGE_VAL; + errno = EDOM; break; case 10: case 110: /* y1(0) = -inf */ - exc.type = DOMAIN; /* should be SING for IEEE */ - exc.name = type < 100 ? "y1" : "y1f"; - if (_LIB_VERSION == _SVID_) - exc.retval = -HUGE; - else - exc.retval = -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2("y1: DOMAIN error\n", 17); - } */ - errno = EDOM; - } + retval = -HUGE_VAL; + errno = EDOM; break; case 11: case 111: /* y1(x<0) = NaN */ - exc.type = DOMAIN; - exc.name = type < 100 ? "y1" : "y1f"; - if (_LIB_VERSION == _SVID_) - exc.retval = -HUGE; - else - exc.retval = -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2("y1: DOMAIN error\n", 17); - } */ - errno = EDOM; - } + retval = -HUGE_VAL; + errno = EDOM; break; case 12: case 112: /* yn(n,0) = -inf */ - exc.type = DOMAIN; /* should be SING for IEEE */ - exc.name = type < 100 ? "yn" : "ynf"; - if (_LIB_VERSION == _SVID_) - exc.retval = -HUGE; - else - exc.retval = -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2("yn: DOMAIN error\n", 17); - } */ - errno = EDOM; - } + retval = -HUGE_VAL; + errno = EDOM; break; case 13: case 113: /* yn(x<0) = NaN */ - exc.type = DOMAIN; - exc.name = type < 100 ? "yn" : "ynf"; - if (_LIB_VERSION == _SVID_) - exc.retval = -HUGE; - else - exc.retval = -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2("yn: DOMAIN error\n", 17); - } */ - errno = EDOM; - } + retval = -HUGE_VAL; + errno = EDOM; break; case 14: case 114: /* lgamma(finite) overflow */ - exc.type = OVERFLOW; - exc.name = type < 100 ? "lgamma" : "lgammaf"; - if (_LIB_VERSION == _SVID_) - exc.retval = HUGE; - else - exc.retval = HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } + retval = HUGE_VAL; + errno = ERANGE; break; case 15: case 115: /* lgamma(-integer) or lgamma(0) */ - exc.type = SING; - exc.name = type < 100 ? "lgamma" : "lgammaf"; - if (_LIB_VERSION == _SVID_) - exc.retval = HUGE; - else - exc.retval = HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2("lgamma: SING error\n", 19); - } */ - errno = EDOM; - } + retval = HUGE_VAL; + errno = EDOM; break; case 16: case 116: /* log(0) */ - exc.type = SING; - exc.name = type < 100 ? "log" : "logf"; - if (_LIB_VERSION == _SVID_) - exc.retval = -HUGE; - else - exc.retval = -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2("log: SING error\n", 16); - } */ - errno = EDOM; - } + retval = -HUGE_VAL; + errno = EDOM; break; case 17: case 117: /* log(x<0) */ - exc.type = DOMAIN; - exc.name = type < 100 ? "log" : "logf"; - if (_LIB_VERSION == _SVID_) - exc.retval = -HUGE; - else - exc.retval = -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2("log: DOMAIN error\n", 18); - } */ - errno = EDOM; - } + retval = -HUGE_VAL; + errno = EDOM; break; case 18: case 118: /* log10(0) */ - exc.type = SING; - exc.name = type < 100 ? "log10" : "log10f"; - if (_LIB_VERSION == _SVID_) - exc.retval = -HUGE; - else - exc.retval = -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2("log10: SING error\n", 18); - } */ - errno = EDOM; - } + retval = -HUGE_VAL; + errno = EDOM; break; case 19: case 119: /* log10(x<0) */ - exc.type = DOMAIN; - exc.name = type < 100 ? "log10" : "log10f"; - if (_LIB_VERSION == _SVID_) - exc.retval = -HUGE; - else - exc.retval = -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2("log10: DOMAIN error\n", 20); - } */ - errno = EDOM; - } + retval = -HUGE_VAL; + errno = EDOM; break; case 20: case 120: /* pow(0.0,0.0) */ - /* error only if _LIB_VERSION == _SVID_ */ - exc.type = DOMAIN; - exc.name = type < 100 ? "pow" : "powf"; - exc.retval = zero; - if (_LIB_VERSION != _SVID_) exc.retval = 1.0; - else if (!matherr(&exc)) { - /* (void) WRITE2("pow(0,0): DOMAIN error\n", 23); */ - errno = EDOM; - } + /* Not an error. */ + retval = 1.0; break; case 21: case 121: /* pow(x,y) overflow */ - exc.type = OVERFLOW; - exc.name = type < 100 ? "pow" : "powf"; - if (_LIB_VERSION == _SVID_) { - exc.retval = HUGE; - y *= 0.5; - if(x<zero&&rint(y)!=y) exc.retval = -HUGE; - } else { - exc.retval = HUGE_VAL; - y *= 0.5; - if(x<zero&&rint(y)!=y) exc.retval = -HUGE_VAL; - } - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } + retval = HUGE_VAL; + y *= 0.5; + if(x<zero&&rint(y)!=y) + retval = -HUGE_VAL; + errno = ERANGE; break; case 22: case 122: /* pow(x,y) underflow */ - exc.type = UNDERFLOW; - exc.name = type < 100 ? "pow" : "powf"; - exc.retval = zero; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } + retval = zero; + errno = ERANGE; break; case 23: case 123: /* 0**neg */ - exc.type = DOMAIN; - exc.name = type < 100 ? "pow" : "powf"; - if (_LIB_VERSION == _SVID_) - exc.retval = zero; - else - exc.retval = -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2("pow(0,neg): DOMAIN error\n", 25); - } */ - errno = EDOM; - } + retval = -HUGE_VAL; + errno = EDOM; break; case 24: case 124: /* neg**non-integral */ - exc.type = DOMAIN; - exc.name = type < 100 ? "pow" : "powf"; - if (_LIB_VERSION == _SVID_) - exc.retval = zero; - else - exc.retval = zero/zero; /* X/Open allow NaN */ - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2("neg**non-integral: DOMAIN error\n", 32); - } */ - errno = EDOM; - } + retval = zero/zero; + errno = EDOM; break; case 25: case 125: /* sinh(finite) overflow */ - exc.type = OVERFLOW; - exc.name = type < 100 ? "sinh" : "sinhf"; - if (_LIB_VERSION == _SVID_) - exc.retval = ( (x>zero) ? HUGE : -HUGE); - else - exc.retval = ( (x>zero) ? HUGE_VAL : -HUGE_VAL); - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } + retval = ( (x>zero) ? HUGE_VAL : -HUGE_VAL); + errno = ERANGE; break; case 26: case 126: /* sqrt(x<0) */ - exc.type = DOMAIN; - exc.name = type < 100 ? "sqrt" : "sqrtf"; - if (_LIB_VERSION == _SVID_) - exc.retval = zero; - else - exc.retval = zero/zero; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2("sqrt: DOMAIN error\n", 19); - } */ - errno = EDOM; - } + retval = zero/zero; + errno = EDOM; break; case 27: case 127: - /* fmod(x,0) */ - exc.type = DOMAIN; - exc.name = type < 100 ? "fmod" : "fmodf"; - if (_LIB_VERSION == _SVID_) - exc.retval = x; - else - exc.retval = zero/zero; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2("fmod: DOMAIN error\n", 20); - } */ - errno = EDOM; - } + /* fmod(x,0) */ + retval = zero/zero; + errno = EDOM; break; case 28: case 128: /* remainder(x,0) */ - exc.type = DOMAIN; - exc.name = type < 100 ? "remainder" : "remainderf"; - exc.retval = zero/zero; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2("remainder: DOMAIN error\n", 24); - } */ - errno = EDOM; - } + retval = zero/zero; + errno = EDOM; break; case 29: case 129: /* acosh(x<1) */ - exc.type = DOMAIN; - exc.name = type < 100 ? "acosh" : "acoshf"; - exc.retval = zero/zero; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2("acosh: DOMAIN error\n", 20); - } */ - errno = EDOM; - } + retval = zero/zero; + errno = EDOM; break; case 30: case 130: /* atanh(|x|>1) */ - exc.type = DOMAIN; - exc.name = type < 100 ? "atanh" : "atanhf"; - exc.retval = zero/zero; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2("atanh: DOMAIN error\n", 20); - } */ - errno = EDOM; - } + retval = zero/zero; + errno = EDOM; break; case 31: case 131: /* atanh(|x|=1) */ - exc.type = SING; - exc.name = type < 100 ? "atanh" : "atanhf"; - exc.retval = x/zero; /* sign(x)*inf */ - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2("atanh: SING error\n", 18); - } */ - errno = EDOM; - } + retval = x/zero; /* sign(x)*inf */ + errno = EDOM; break; case 32: case 132: - /* scalb overflow; SVID also returns +-HUGE_VAL */ - exc.type = OVERFLOW; - exc.name = type < 100 ? "scalb" : "scalbf"; - exc.retval = x > zero ? HUGE_VAL : -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } + /* scalb overflow */ + retval = x > zero ? HUGE_VAL : -HUGE_VAL; + errno = ERANGE; break; case 33: case 133: /* scalb underflow */ - exc.type = UNDERFLOW; - exc.name = type < 100 ? "scalb" : "scalbf"; - exc.retval = copysign(zero,x); - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } + retval = copysign(zero,x); + errno = ERANGE; break; case 34: case 134: /* j0(|x|>X_TLOSS) */ - exc.type = TLOSS; - exc.name = type < 100 ? "j0" : "j0f"; - exc.retval = zero; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2(exc.name, 2); - (void) WRITE2(": TLOSS error\n", 14); - } */ - errno = ERANGE; - } + retval = zero; + errno = ERANGE; break; case 35: case 135: /* y0(x>X_TLOSS) */ - exc.type = TLOSS; - exc.name = type < 100 ? "y0" : "y0f"; - exc.retval = zero; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2(exc.name, 2); - (void) WRITE2(": TLOSS error\n", 14); - } */ - errno = ERANGE; - } + retval = zero; + errno = ERANGE; break; case 36: case 136: /* j1(|x|>X_TLOSS) */ - exc.type = TLOSS; - exc.name = type < 100 ? "j1" : "j1f"; - exc.retval = zero; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2(exc.name, 2); - (void) WRITE2(": TLOSS error\n", 14); - } */ - errno = ERANGE; - } + retval = zero; + errno = ERANGE; break; case 37: case 137: /* y1(x>X_TLOSS) */ - exc.type = TLOSS; - exc.name = type < 100 ? "y1" : "y1f"; - exc.retval = zero; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2(exc.name, 2); - (void) WRITE2(": TLOSS error\n", 14); - } */ - errno = ERANGE; - } + retval = zero; + errno = ERANGE; break; case 38: case 138: /* jn(|x|>X_TLOSS) */ - exc.type = TLOSS; - exc.name = type < 100 ? "jn" : "jnf"; - exc.retval = zero; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2(exc.name, 2); - (void) WRITE2(": TLOSS error\n", 14); - } */ - errno = ERANGE; - } + retval = zero; + errno = ERANGE; break; case 39: case 139: /* yn(x>X_TLOSS) */ - exc.type = TLOSS; - exc.name = type < 100 ? "yn" : "ynf"; - exc.retval = zero; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2(exc.name, 2); - (void) WRITE2(": TLOSS error\n", 14); - } */ - errno = ERANGE; - } + retval = zero; + errno = ERANGE; break; case 40: case 140: /* gamma(finite) overflow */ - exc.type = OVERFLOW; - exc.name = type < 100 ? "gamma" : "gammaf"; - if (_LIB_VERSION == _SVID_) - exc.retval = HUGE; - else - exc.retval = HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } + retval = HUGE_VAL; + errno = ERANGE; break; case 41: case 141: /* gamma(-integer) or gamma(0) */ - exc.type = SING; - exc.name = type < 100 ? "gamma" : "gammaf"; - if (_LIB_VERSION == _SVID_) - exc.retval = HUGE; - else - exc.retval = HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - /* if (_LIB_VERSION == _SVID_) { - (void) WRITE2("gamma: SING error\n", 18); - } */ - errno = EDOM; - } + retval = HUGE_VAL; + errno = EDOM; break; case 42: case 142: /* pow(NaN,0.0) */ - /* error only if _LIB_VERSION == _SVID_ & _XOPEN_ */ - exc.type = DOMAIN; - exc.name = type < 100 ? "pow" : "powf"; - exc.retval = x; - if (_LIB_VERSION == _IEEE_ || - _LIB_VERSION == _POSIX_) exc.retval = 1.0; - else if (!matherr(&exc)) { - errno = EDOM; - } + /* Not an error. */ + retval = 1.0; break; } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + return retval; } diff --git a/newlib/libm/math/math.tex b/newlib/libm/math/math.tex index a6f931b..92b384f 100644 --- a/newlib/libm/math/math.tex +++ b/newlib/libm/math/math.tex @@ -3,33 +3,15 @@ This chapter groups a wide variety of mathematical functions. The corresponding definitions and declarations are in @file{math.h}. -Two definitions from @file{math.h} are of particular interest. +The definition of HUGE_VAL from @file{math.h} is of particular interest. @enumerate @item The representation of infinity as a @code{double} is defined as @code{HUGE_VAL}; this number is returned on overflow by many functions. The macro @code{HUGE_VALF} is a corresponding value for @code{float}. - -@item -The structure @code{exception} is used when you write customized error -handlers for the mathematical functions. You can customize error -handling for most of these functions by defining your own version of -@code{matherr}; see the section on @code{matherr} for details. @end enumerate -@cindex system calls -@cindex support subroutines -@cindex stubs -@cindex OS stubs -Since the error handling code calls @code{fputs}, the mathematical -subroutines require stubs or minimal implementations for the same list -of OS subroutines as @code{fputs}: @code{close}, @code{fstat}, -@code{isatty}, @code{lseek}, @code{read}, @code{sbrk}, @code{write}. -@xref{syscalls,,System Calls, libc.info, The Red Hat newlib C Library}, -for a discussion and for sample minimal implementations of these support -subroutines. - Alternative declarations of the mathematical functions, which exploit specific machine capabilities to operate faster---but generally have less error checking and may reflect additional limitations on some @@ -76,7 +58,6 @@ machines---are available when you include @file{fastmath.h} instead of * logb:: Get exponent * lrint:: Round to integer * lround:: Round to integer, away from zero (lround, llround) -* matherr:: Modifiable math error handler * modf:: Split fractional and integer parts * nan:: Floating Not a Number * nearbyint:: Round to integer @@ -101,40 +82,23 @@ machines---are available when you include @file{fastmath.h} instead of @node version @section Error Handling -There are four different versions of the math library routines: IEEE, -POSIX, X/Open, or SVID. The version may be selected at runtime by +There are two different versions of the math library routines: IEEE +and POSIX. The version may be selected at runtime by setting the global variable @code{_LIB_VERSION}, defined in @file{math.h}. It may be set to one of the following constants defined -in @file{math.h}: @code{_IEEE_}, @code{_POSIX_}, @code{_XOPEN_}, or -@code{_SVID_}. The @code{_LIB_VERSION} variable is not specific to any +in @file{math.h}: @code{_IEEE_} or @code{_POSIX_}. +The @code{_LIB_VERSION} variable is not specific to any thread, and changing it will affect all threads. -The versions of the library differ only in how errors are handled. - -In IEEE mode, the @code{matherr} function is never called, no warning -messages are printed, and @code{errno} is never set. +The versions of the library differ only in the setting of @code{errno}. -In POSIX mode, @code{errno} is set correctly, but the @code{matherr} -function is never called and no warning messages are printed. +In IEEE mode, @code{errno} is never set. -In X/Open mode, @code{errno} is set correctly, and @code{matherr} is -called, but warning message are not printed. +In POSIX mode, @code{errno} is set correctly. -In SVID mode, functions which overflow return 3.40282346638528860e+38, -the maximum single-precision floating-point value, rather than infinity. -Also, @code{errno} is set correctly, @code{matherr} is called, and, if -@code{matherr} returns 0, warning messages are printed for some errors. -For example, by default @samp{log(-1.0)} writes this message on standard -error output: +The library is set to IEEE mode by default. -@example -log: DOMAIN error -@end example - -The library is set to X/Open mode by default. - -The aforementioned error reporting is the supported Newlib libm error -handling method. However, the majority of the functions are written +The majority of the floating-point math functions are written so as to produce the floating-point exceptions (e.g. "invalid", "divide-by-zero") as required by the C and POSIX standards, for floating-point implementations that support them. Newlib does not provide @@ -241,8 +205,6 @@ registered trademark of The IEEE. @page @include common/s_lround.def @page -@include common/s_matherr.def -@page @include common/s_modf.def @page @include common/s_nan.def diff --git a/newlib/libm/math/w_acos.c b/newlib/libm/math/w_acos.c index eb3e201..c0a86a9 100644 --- a/newlib/libm/math/w_acos.c +++ b/newlib/libm/math/w_acos.c @@ -42,16 +42,12 @@ RETURNS @end tex If <[x]> is not between @minus{}1 and 1, the returned value is NaN - (not a number) the global variable <<errno>> is set to <<EDOM>>, and a - <<DOMAIN error>> message is sent as standard error output. - - You can modify error handling for these functions using <<matherr>>. - + (not a number), and the global variable <<errno>> is set to <<EDOM>>. QUICKREF - ansi svid posix rentrant - acos y,y,y,m - acosf n,n,n,m + ansi posix rentrant + acos y,y,m + acosf n,n,m MATHREF acos, [-1,1], acos(arg),,, @@ -83,24 +79,12 @@ MATHREF return __ieee754_acos(x); #else double z; - struct exception exc; z = __ieee754_acos(x); if(_LIB_VERSION == _IEEE_ || isnan(x)) return z; if(fabs(x)>1.0) { /* acos(|x|>1) */ - exc.type = DOMAIN; - exc.name = "acos"; - exc.err = 0; - exc.arg1 = exc.arg2 = x; - exc.retval = nan(""); - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = EDOM; + return nan(""); } else return z; #endif diff --git a/newlib/libm/math/w_acosh.c b/newlib/libm/math/w_acosh.c index ac15bb1..7438266 100644 --- a/newlib/libm/math/w_acosh.c +++ b/newlib/libm/math/w_acosh.c @@ -44,18 +44,15 @@ RETURNS <<acosh>> and <<acoshf>> return the calculated value. If <[x]> less than 1, the return value is NaN and <<errno>> is set to <<EDOM>>. -You can change the error-handling behavior with the non-ANSI -<<matherr>> function. - PORTABILITY Neither <<acosh>> nor <<acoshf>> are ANSI C. They are not recommended for portable programs. QUICKREF - ansi svid posix rentrant - acos n,n,n,m - acosf n,n,n,m + ansi posix rentrant + acos n,n,m + acosf n,n,m MATHREF acosh, NAN, arg,DOMAIN,EDOM @@ -89,24 +86,12 @@ MATHREF return __ieee754_acosh(x); #else double z; - struct exception exc; z = __ieee754_acosh(x); if(_LIB_VERSION == _IEEE_ || isnan(x)) return z; if(x<1.0) { /* acosh(x<1) */ - exc.type = DOMAIN; - exc.name = "acosh"; - exc.err = 0; - exc.arg1 = exc.arg2 = x; - exc.retval = 0.0/0.0; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = EDOM; + return 0.0/0.0; } else return z; #endif diff --git a/newlib/libm/math/w_asin.c b/newlib/libm/math/w_asin.c index 9964d75..a94b0d5 100644 --- a/newlib/libm/math/w_asin.c +++ b/newlib/libm/math/w_asin.c @@ -34,8 +34,6 @@ Arguments to <<asin>> must be in the range @minus{}1 to 1. <<asinf>> is identical to <<asin>>, other than taking and returning floats. -You can modify error handling for these routines using <<matherr>>. - RETURNS @ifnottex <<asin>> returns values in radians, in the range of -pi/2 to pi/2. @@ -45,15 +43,13 @@ RETURNS @end tex If <[x]> is not in the range @minus{}1 to 1, <<asin>> and <<asinf>> -return NaN (not a number), set the global variable <<errno>> to -<<EDOM>>, and issue a <<DOMAIN error>> message. - -You can change this error treatment using <<matherr>>. +return NaN (not a number), and the global variable <<errno>> is set to +<<EDOM>>. QUICKREF - ansi svid posix rentrant - asin y,y,y,m - asinf n,n,n,m + ansi posix rentrant + asin y,y,m + asinf n,n,m MATHREF asin, -1<=arg<=1, asin(arg),,, @@ -87,24 +83,12 @@ MATHREF return __ieee754_asin(x); #else double z; - struct exception exc; z = __ieee754_asin(x); if(_LIB_VERSION == _IEEE_ || isnan(x)) return z; if(fabs(x)>1.0) { /* asin(|x|>1) */ - exc.type = DOMAIN; - exc.name = "asin"; - exc.err = 0; - exc.arg1 = exc.arg2 = x; - exc.retval = nan(""); - if(_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = EDOM; + return nan(""); } else return z; #endif diff --git a/newlib/libm/math/w_atan2.c b/newlib/libm/math/w_atan2.c index bcf9506..4b2bb6a 100644 --- a/newlib/libm/math/w_atan2.c +++ b/newlib/libm/math/w_atan2.c @@ -50,8 +50,6 @@ RETURNS $-\pi$ to $\pi$. @end tex -You can modify error handling for these functions using <<matherr>>. - PORTABILITY <<atan2>> is ANSI C. <<atan2f>> is an extension. diff --git a/newlib/libm/math/w_atanh.c b/newlib/libm/math/w_atanh.c index a87e23c..3376aef 100644 --- a/newlib/libm/math/w_atanh.c +++ b/newlib/libm/math/w_atanh.c @@ -54,9 +54,6 @@ RETURNS is 1, the global <<errno>> is set to <<EDOM>>; and the result is infinity with the same sign as <<x>>. A <<SING error>> is reported. - You can modify the error handling for these routines using - <<matherr>>. - PORTABILITY Neither <<atanh>> nor <<atanhf>> are ANSI C. @@ -87,39 +84,19 @@ QUICKREF return __ieee754_atanh(x); #else double z,y; - struct exception exc; z = __ieee754_atanh(x); if(_LIB_VERSION == _IEEE_ || isnan(x)) return z; y = fabs(x); if(y>=1.0) { if(y>1.0) { - /* atanh(|x|>1) */ - exc.type = DOMAIN; - exc.name = "atanh"; - exc.err = 0; - exc.arg1 = exc.arg2 = x; - exc.retval = 0.0/0.0; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } + /* atanh(|x|>1) */ + errno = EDOM; + return 0.0/0.0; } else { - /* atanh(|x|=1) */ - exc.type = SING; - exc.name = "atanh"; - exc.err = 0; - exc.arg1 = exc.arg2 = x; - exc.retval = x/0.0; /* sign(x)*inf */ - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + /* atanh(|x|=1) */ + errno = EDOM; + return x/0.0; /* sign(x)*inf */ + } } else return z; #endif diff --git a/newlib/libm/math/w_cosh.c b/newlib/libm/math/w_cosh.c index e5b08df..a264421 100644 --- a/newlib/libm/math/w_cosh.c +++ b/newlib/libm/math/w_cosh.c @@ -41,9 +41,6 @@ RETURNS an overflow, <<cosh>> returns the value <<HUGE_VAL>> with the appropriate sign, and the global value <<errno>> is set to <<ERANGE>>. - You can modify error handling for these functions using the - function <<matherr>>. - PORTABILITY <<cosh>> is ANSI. <<coshf>> is an extension. @@ -73,7 +70,6 @@ QUICKREF return __ieee754_cosh(x); #else double z; - struct exception exc; z = __ieee754_cosh(x); if(_LIB_VERSION == _IEEE_ || isnan(x)) return z; if(fabs(x)>7.10475860073943863426e+02) { @@ -84,22 +80,8 @@ QUICKREF SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.type = OVERFLOW; - exc.name = "cosh"; - exc.err = 0; - exc.arg1 = exc.arg2 = x; - if (_LIB_VERSION == _SVID_) - exc.retval = HUGE; - else - exc.retval = HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + return HUGE_VAL; } else return z; #endif diff --git a/newlib/libm/math/w_exp.c b/newlib/libm/math/w_exp.c index 0c44677..3da6d77 100644 --- a/newlib/libm/math/w_exp.c +++ b/newlib/libm/math/w_exp.c @@ -34,9 +34,6 @@ DESCRIPTION @end tex is the base of the natural system of logarithms, approximately 2.71828). - You can use the (non-ANSI) function <<matherr>> to specify - error handling for these functions. - RETURNS On success, <<exp>> and <<expf>> return the calculated value. If the result underflows, the returned value is <<0>>. If the @@ -77,7 +74,6 @@ u_threshold= -7.45133219101941108420e+02; /* 0xc0874910, 0xD52D3051 */ return __ieee754_exp(x); #else double z; - struct exception exc; z = __ieee754_exp(x); if(_LIB_VERSION == _IEEE_) return z; if(finite(x)) { @@ -89,37 +85,12 @@ u_threshold= -7.45133219101941108420e+02; /* 0xc0874910, 0xD52D3051 */ SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.type = OVERFLOW; - exc.name = "exp"; - exc.err = 0; - exc.arg1 = exc.arg2 = x; - if (_LIB_VERSION == _SVID_) - exc.retval = HUGE; - else - exc.retval = HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + return HUGE_VAL; } else if(x<u_threshold) { /* exp(finite) underflow */ - exc.type = UNDERFLOW; - exc.name = "exp"; - exc.err = 0; - exc.arg1 = exc.arg2 = x; - exc.retval = 0.0; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + return 0.0; } } return z; diff --git a/newlib/libm/math/w_exp2.c b/newlib/libm/math/w_exp2.c index c48bdf6..7108654 100644 --- a/newlib/libm/math/w_exp2.c +++ b/newlib/libm/math/w_exp2.c @@ -33,9 +33,6 @@ DESCRIPTION $2^x$ @end tex - You can use the (non-ANSI) function <<matherr>> to specify - error handling for these functions. - RETURNS On success, <<exp2>> and <<exp2f>> return the calculated value. If the result underflows, the returned value is <<0>>. If the diff --git a/newlib/libm/math/w_fmod.c b/newlib/libm/math/w_fmod.c index df11dc3..6788000 100644 --- a/newlib/libm/math/w_fmod.c +++ b/newlib/libm/math/w_fmod.c @@ -43,8 +43,6 @@ magnitude of <[y]>. <<fmod(<[x]>,0)>> returns NaN, and sets <<errno>> to <<EDOM>>. -You can modify error treatment for these functions using <<matherr>>. - PORTABILITY <<fmod>> is ANSI C. <<fmodf>> is an extension. */ @@ -69,28 +67,12 @@ PORTABILITY return __ieee754_fmod(x,y); #else double z; - struct exception exc; z = __ieee754_fmod(x,y); if(_LIB_VERSION == _IEEE_ ||isnan(y)||isnan(x)) return z; if(y==0.0) { - /* fmod(x,0) */ - exc.type = DOMAIN; - exc.name = "fmod"; - exc.arg1 = x; - exc.arg2 = y; - exc.err = 0; - if (_LIB_VERSION == _SVID_) - exc.retval = x; - else - exc.retval = 0.0/0.0; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + /* fmod(x,0) */ + errno = EDOM; + return 0.0/0.0; } else return z; #endif diff --git a/newlib/libm/math/w_gamma.c b/newlib/libm/math/w_gamma.c index a1f50b5..6de114a 100644 --- a/newlib/libm/math/w_gamma.c +++ b/newlib/libm/math/w_gamma.c @@ -121,14 +121,12 @@ When <[x]> is a nonpositive integer, <<gamma>> returns <<HUGE_VAL>> and <<errno>> is set to <<EDOM>>. If the result overflows, <<gamma>> returns <<HUGE_VAL>> and <<errno>> is set to <<ERANGE>>. -You can modify this error treatment using <<matherr>>. - PORTABILITY Neither <<gamma>> nor <<gammaf>> is ANSI C. It is better not to use either of these; use <<lgamma>> or <<tgamma>> instead.@* <<lgamma>>, <<lgammaf>>, <<tgamma>>, and <<tgammaf>> are nominally C standard -in terms of the base return values, although the <<matherr>> error-handling -is not standard, nor is the <[signgam]> global for <<lgamma>>. +in terms of the base return values, although the <[signgam]> global for +<<lgamma>> is not standard. */ /* double gamma(double x) @@ -154,7 +152,6 @@ is not standard, nor is the <[signgam]> global for <<lgamma>>. return __ieee754_gamma_r(x,&(_REENT_SIGNGAM(_REENT))); #else double y; - struct exception exc; y = __ieee754_gamma_r(x,&(_REENT_SIGNGAM(_REENT))); if(_LIB_VERSION == _IEEE_) return y; if(!finite(y)&&finite(x)) { @@ -164,33 +161,14 @@ is not standard, nor is the <[signgam]> global for <<lgamma>>. SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.name = "gamma"; - exc.err = 0; - exc.arg1 = exc.arg2 = x; - if (_LIB_VERSION == _SVID_) - exc.retval = HUGE; - else - exc.retval = HUGE_VAL; if(floor(x)==x&&x<=0.0) { /* gamma(-integer) or gamma(0) */ - exc.type = SING; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - } else { + errno = EDOM; + } else { /* gamma(finite) overflow */ - exc.type = OVERFLOW; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + } + return HUGE_VAL; } else return y; #endif diff --git a/newlib/libm/math/w_hypot.c b/newlib/libm/math/w_hypot.c index 5337022..441fc20 100644 --- a/newlib/libm/math/w_hypot.c +++ b/newlib/libm/math/w_hypot.c @@ -41,8 +41,6 @@ RETURNS <<hypot>> returns <<HUGE_VAL>> and sets <<errno>> to <<ERANGE>>. - You can change the error treatment with <<matherr>>. - PORTABILITY <<hypot>> and <<hypotf>> are not ANSI C. */ @@ -66,7 +64,6 @@ PORTABILITY return __ieee754_hypot(x,y); #else double z; - struct exception exc; z = __ieee754_hypot(x,y); if(_LIB_VERSION == _IEEE_) return z; if((!finite(z))&&finite(x)&&finite(y)) { @@ -77,23 +74,8 @@ PORTABILITY SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.type = OVERFLOW; - exc.name = "hypot"; - exc.err = 0; - exc.arg1 = x; - exc.arg2 = y; - if (_LIB_VERSION == _SVID_) - exc.retval = HUGE; - else - exc.retval = HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + return HUGE_VAL; } else return z; #endif diff --git a/newlib/libm/math/w_j0.c b/newlib/libm/math/w_j0.c index ab05dbd..59d17e8 100644 --- a/newlib/libm/math/w_j0.c +++ b/newlib/libm/math/w_j0.c @@ -104,24 +104,12 @@ None of the Bessel functions are in ANSI C. #ifdef _IEEE_LIBM return __ieee754_j0(x); #else - struct exception exc; double z = __ieee754_j0(x); if(_LIB_VERSION == _IEEE_ || isnan(x)) return z; if(fabs(x)>X_TLOSS) { /* j0(|x|>X_TLOSS) */ - exc.type = TLOSS; - exc.name = "j0"; - exc.err = 0; - exc.arg1 = exc.arg2 = x; - exc.retval = 0.0; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + return 0.0; } else return z; #endif @@ -138,7 +126,6 @@ None of the Bessel functions are in ANSI C. return __ieee754_y0(x); #else double z; - struct exception exc; z = __ieee754_y0(x); if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z; if(x <= 0.0){ @@ -149,38 +136,13 @@ None of the Bessel functions are in ANSI C. SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif /* y0(0) = -inf or y0(x<0) = NaN */ - exc.type = DOMAIN; /* should be SING for IEEE y0(0) */ - exc.name = "y0"; - exc.err = 0; - exc.arg1 = exc.arg2 = x; - if (_LIB_VERSION == _SVID_) - exc.retval = -HUGE; - else - exc.retval = -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = EDOM; + return -HUGE_VAL; } if(x>X_TLOSS) { /* y0(x>X_TLOSS) */ - exc.type = TLOSS; - exc.name = "y0"; - exc.err = 0; - exc.arg1 = exc.arg2 = x; - exc.retval = 0.0; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + return 0.0; } else return z; #endif diff --git a/newlib/libm/math/w_j1.c b/newlib/libm/math/w_j1.c index ba7df15..127324a 100644 --- a/newlib/libm/math/w_j1.c +++ b/newlib/libm/math/w_j1.c @@ -31,24 +31,12 @@ return __ieee754_j1(x); #else double z; - struct exception exc; z = __ieee754_j1(x); if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z; if(fabs(x)>X_TLOSS) { /* j1(|x|>X_TLOSS) */ - exc.type = TLOSS; - exc.name = "j1"; - exc.err = 0; - exc.arg1 = exc.arg2 = x; - exc.retval = 0.0; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + return 0.0; } else return z; #endif @@ -65,7 +53,6 @@ return __ieee754_y1(x); #else double z; - struct exception exc; z = __ieee754_y1(x); if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z; if(x <= 0.0){ @@ -76,38 +63,13 @@ SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif /* y1(0) = -inf or y1(x<0) = NaN */ - exc.type = DOMAIN; /* should be SING for IEEE */ - exc.name = "y1"; - exc.err = 0; - exc.arg1 = exc.arg2 = x; - if (_LIB_VERSION == _SVID_) - exc.retval = -HUGE; - else - exc.retval = -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = EDOM; + return -HUGE_VAL; } if(x>X_TLOSS) { /* y1(x>X_TLOSS) */ - exc.type = TLOSS; - exc.name = "y1"; - exc.err = 0; - exc.arg1 = exc.arg2 = x; - exc.retval = 0.0; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + return 0.0; } else return z; #endif diff --git a/newlib/libm/math/w_jn.c b/newlib/libm/math/w_jn.c index 6cadc9a..0482fa9 100644 --- a/newlib/libm/math/w_jn.c +++ b/newlib/libm/math/w_jn.c @@ -53,25 +53,12 @@ return __ieee754_jn(n,x); #else double z; - struct exception exc; z = __ieee754_jn(n,x); if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z; if(fabs(x)>X_TLOSS) { /* jn(|x|>X_TLOSS) */ - exc.type = TLOSS; - exc.name = "jn"; - exc.err = 0; - exc.arg1 = n; - exc.arg2 = x; - exc.retval = 0.0; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + return 0.0; } else return z; #endif @@ -88,7 +75,6 @@ return __ieee754_yn(n,x); #else double z; - struct exception exc; z = __ieee754_yn(n,x); if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z; if(x <= 0.0){ @@ -99,40 +85,13 @@ SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.type = DOMAIN; /* should be SING for IEEE */ - exc.name = "yn"; - exc.err = 0; - exc.arg1 = n; - exc.arg2 = x; - if (_LIB_VERSION == _SVID_) - exc.retval = -HUGE; - else - exc.retval = -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = EDOM; + return -HUGE_VAL; } if(x>X_TLOSS) { /* yn(x>X_TLOSS) */ - exc.type = TLOSS; - exc.name = "yn"; - exc.err = 0; - exc.arg1 = n; - exc.arg2 = x; - exc.retval = 0.0; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + return 0.0; } else return z; #endif diff --git a/newlib/libm/math/w_lgamma.c b/newlib/libm/math/w_lgamma.c index e56e477..f848f1c 100644 --- a/newlib/libm/math/w_lgamma.c +++ b/newlib/libm/math/w_lgamma.c @@ -35,7 +35,6 @@ return __ieee754_lgamma_r(x,&(_REENT_SIGNGAM(_REENT))); #else double y; - struct exception exc; y = __ieee754_lgamma_r(x,&(_REENT_SIGNGAM(_REENT))); if(_LIB_VERSION == _IEEE_) return y; if(!finite(y)&&finite(x)) { @@ -45,36 +44,14 @@ SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.name = "lgamma"; - exc.err = 0; - exc.arg1 = x; - exc.arg2 = x; - if (_LIB_VERSION == _SVID_) - exc.retval = HUGE; - else - exc.retval = HUGE_VAL; - if(floor(x)==x&&x<=0.0) { - /* lgamma(-integer) */ - exc.type = SING; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - - } else { - /* lgamma(finite) overflow */ - exc.type = OVERFLOW; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; - } else + if(floor(x)==x&&x<=0.0) + /* lgamma(-integer) */ + errno = EDOM; + else + /* lgamma(finite) overflow */ + errno = ERANGE; + return HUGE_VAL; + } else return y; #endif } diff --git a/newlib/libm/math/w_log.c b/newlib/libm/math/w_log.c index 5f66d26..37afcac 100644 --- a/newlib/libm/math/w_log.c +++ b/newlib/libm/math/w_log.c @@ -30,15 +30,11 @@ Return the natural logarithm of <[x]>, that is, its logarithm base e (where e is the base of the natural system of logarithms, 2.71828@dots{}). <<log>> and <<logf>> are identical save for the return and argument types. -You can use the (non-ANSI) function <<matherr>> to specify error -handling for these functions. - RETURNS Normally, returns the calculated value. When <[x]> is zero, the returned value is <<-HUGE_VAL>> and <<errno>> is set to <<ERANGE>>. When <[x]> is negative, the returned value is NaN (not a number) and -<<errno>> is set to <<EDOM>>. You can control the error behavior via -<<matherr>>. +<<errno>> is set to <<EDOM>>. PORTABILITY <<log>> is ANSI. <<logf>> is an extension. @@ -65,7 +61,6 @@ PORTABILITY return __ieee754_log(x); #else double z; - struct exception exc; z = __ieee754_log(x); if(_LIB_VERSION == _IEEE_ || isnan(x) || x > 0.0) return z; #ifndef HUGE_VAL @@ -74,35 +69,15 @@ PORTABILITY SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.name = "log"; - exc.err = 0; - exc.arg1 = x; - exc.arg2 = x; - if (_LIB_VERSION == _SVID_) - exc.retval = -HUGE; - else - exc.retval = -HUGE_VAL; if(x==0.0) { /* log(0) */ - exc.type = SING; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } + errno = ERANGE; + return -HUGE_VAL; } else { /* log(x<0) */ - exc.type = DOMAIN; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - exc.retval = nan(""); + errno = EDOM; + return nan(""); } - if (exc.err != 0) - errno = exc.err; - return exc.retval; #endif } diff --git a/newlib/libm/math/w_log10.c b/newlib/libm/math/w_log10.c index 3b436d5..69ef5f9 100644 --- a/newlib/libm/math/w_log10.c +++ b/newlib/libm/math/w_log10.c @@ -61,7 +61,6 @@ PORTABILITY return __ieee754_log10(x); #else double z; - struct exception exc; z = __ieee754_log10(x); if(_LIB_VERSION == _IEEE_ || isnan(x)) return z; if(x<=0.0) { @@ -71,35 +70,15 @@ PORTABILITY SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.name = "log10"; - exc.err = 0; - exc.arg1 = x; - exc.arg2 = x; - if (_LIB_VERSION == _SVID_) - exc.retval = -HUGE; - else - exc.retval = -HUGE_VAL; if(x==0.0) { - /* log10(0) */ - exc.type = SING; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } + /* log10(0) */ + errno = ERANGE; + return -HUGE_VAL; } else { - /* log10(x<0) */ - exc.type = DOMAIN; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - exc.retval = nan(""); - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + /* log10(x<0) */ + errno = EDOM; + return nan(""); + } } else return z; #endif diff --git a/newlib/libm/math/w_pow.c b/newlib/libm/math/w_pow.c index 9d1e396..e9ac370 100644 --- a/newlib/libm/math/w_pow.c +++ b/newlib/libm/math/w_pow.c @@ -42,8 +42,6 @@ RETURNS is set to <<EDOM>>. If <[x]> and <[y]> are both 0, then <<pow>> and <<powf>> return <<1>>. - You can modify error handling for these functions using <<matherr>>. - PORTABILITY <<pow>> is ANSI C. <<powf>> is an extension. */ @@ -74,134 +72,48 @@ PORTABILITY SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - struct exception exc; z=__ieee754_pow(x,y); if(_LIB_VERSION == _IEEE_|| isnan(y)) return z; if(isnan(x)) { if(y==0.0) { /* pow(NaN,0.0) */ - /* error only if _LIB_VERSION == _SVID_ & _XOPEN_ */ - exc.type = DOMAIN; - exc.name = "pow"; - exc.err = 0; - exc.arg1 = x; - exc.arg2 = y; - exc.retval = 1.0; - if (_LIB_VERSION == _IEEE_ || - _LIB_VERSION == _POSIX_) exc.retval = 1.0; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + /* Not an error. */ + return 1.0; } else return z; } if(x==0.0){ if(y==0.0) { /* pow(0.0,0.0) */ - /* error only if _LIB_VERSION == _SVID_ */ - exc.type = DOMAIN; - exc.name = "pow"; - exc.err = 0; - exc.arg1 = x; - exc.arg2 = y; - exc.retval = 0.0; - if (_LIB_VERSION != _SVID_) exc.retval = 1.0; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + /* Not an error. */ + return 1.0; } - if(finite(y)&&y<0.0) { + if(finite(y)&&y<0.0) { /* 0**neg */ - exc.type = DOMAIN; - exc.name = "pow"; - exc.err = 0; - exc.arg1 = x; - exc.arg2 = y; - if (_LIB_VERSION == _SVID_) - exc.retval = 0.0; - else - exc.retval = -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; - } + errno = EDOM; + return -HUGE_VAL; + } return z; } if(!finite(z)) { if(finite(x)&&finite(y)) { if(isnan(z)) { /* neg**non-integral */ - exc.type = DOMAIN; - exc.name = "pow"; - exc.err = 0; - exc.arg1 = x; - exc.arg2 = y; - if (_LIB_VERSION == _SVID_) - exc.retval = 0.0; - else - exc.retval = 0.0/0.0; /* X/Open allow NaN */ - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = EDOM; + return 0.0/0.0; } else { /* pow(x,y) overflow */ - exc.type = OVERFLOW; - exc.name = "pow"; - exc.err = 0; - exc.arg1 = x; - exc.arg2 = y; - if (_LIB_VERSION == _SVID_) { - exc.retval = HUGE; - y *= 0.5; - if(x<0.0&&rint(y)!=y) exc.retval = -HUGE; - } else { - exc.retval = HUGE_VAL; - y *= 0.5; - if(x<0.0&&rint(y)!=y) exc.retval = -HUGE_VAL; - } - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + if(x<0.0&&rint(y)!=y) + return -HUGE_VAL; + return HUGE_VAL; } } } if(z==0.0&&finite(x)&&finite(y)) { /* pow(x,y) underflow */ - exc.type = UNDERFLOW; - exc.name = "pow"; - exc.err = 0; - exc.arg1 = x; - exc.arg2 = y; - exc.retval = 0.0; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + return 0.0; } return z; #endif diff --git a/newlib/libm/math/w_remainder.c b/newlib/libm/math/w_remainder.c index 5b13390..468e38a 100644 --- a/newlib/libm/math/w_remainder.c +++ b/newlib/libm/math/w_remainder.c @@ -57,25 +57,12 @@ PORTABILITY return __ieee754_remainder(x,y); #else double z; - struct exception exc; z = __ieee754_remainder(x,y); if(_LIB_VERSION == _IEEE_ || isnan(y)) return z; if(y==0.0) { /* remainder(x,0) */ - exc.type = DOMAIN; - exc.name = "remainder"; - exc.err = 0; - exc.arg1 = x; - exc.arg2 = y; - exc.retval = 0.0/0.0; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = EDOM; + return 0.0/0.0; } else return z; #endif diff --git a/newlib/libm/math/w_scalb.c b/newlib/libm/math/w_scalb.c index c324968..77fb2af 100644 --- a/newlib/libm/math/w_scalb.c +++ b/newlib/libm/math/w_scalb.c @@ -47,42 +47,17 @@ SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - struct exception exc; z = __ieee754_scalb(x,fn); if(_LIB_VERSION == _IEEE_) return z; if(!(finite(z)||isnan(z))&&finite(x)) { - /* scalb overflow; SVID also returns +-HUGE_VAL */ - exc.type = OVERFLOW; - exc.name = "scalb"; - exc.err = 0; - exc.arg1 = x; - exc.arg2 = fn; - exc.retval = x > 0.0 ? HUGE_VAL : -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + /* scalb overflow */ + errno = ERANGE; + return (x > 0.0 ? HUGE_VAL : -HUGE_VAL); } if(z==0.0&&z!=x) { /* scalb underflow */ - exc.type = UNDERFLOW; - exc.name = "scalb"; - exc.err = 0; - exc.arg1 = x; - exc.arg2 = fn; - exc.retval = copysign(0.0,x); - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + return copysign(0.0,x); } #ifndef _SCALB_INT if(!finite(fn)) errno = ERANGE; diff --git a/newlib/libm/math/w_sinh.c b/newlib/libm/math/w_sinh.c index 340a711..0e97e54 100644 --- a/newlib/libm/math/w_sinh.c +++ b/newlib/libm/math/w_sinh.c @@ -46,8 +46,6 @@ RETURNS appropriate sign, and sets the global value <<errno>> to <<ERANGE>>. - You can modify error handling for these functions with <<matherr>>. - PORTABILITY <<sinh>> is ANSI C. <<sinhf>> is an extension. @@ -77,7 +75,6 @@ QUICKREF return __ieee754_sinh(x); #else double z; - struct exception exc; z = __ieee754_sinh(x); if(_LIB_VERSION == _IEEE_) return z; if(!finite(z)&&finite(x)) { @@ -88,22 +85,8 @@ QUICKREF SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.type = OVERFLOW; - exc.name = "sinh"; - exc.err = 0; - exc.arg1 = exc.arg2 = x; - if (_LIB_VERSION == _SVID_) - exc.retval = ( (x>0.0) ? HUGE : -HUGE); - else - exc.retval = ( (x>0.0) ? HUGE_VAL : -HUGE_VAL); - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + return ((x>0.0) ? HUGE_VAL : -HUGE_VAL); } else return z; #endif diff --git a/newlib/libm/math/w_sqrt.c b/newlib/libm/math/w_sqrt.c index 61d42fc..36e9ad7 100644 --- a/newlib/libm/math/w_sqrt.c +++ b/newlib/libm/math/w_sqrt.c @@ -27,8 +27,6 @@ SYNOPSIS DESCRIPTION <<sqrt>> computes the positive square root of the argument. - You can modify error handling for this function with - <<matherr>>. RETURNS On success, the square root is returned. If <[x]> is real and @@ -59,27 +57,12 @@ PORTABILITY #ifdef _IEEE_LIBM return __ieee754_sqrt(x); #else - struct exception exc; double z; z = __ieee754_sqrt(x); if(_LIB_VERSION == _IEEE_ || isnan(x)) return z; if(x<0.0) { - exc.type = DOMAIN; - exc.name = "sqrt"; - exc.err = 0; - exc.arg1 = exc.arg2 = x; - if (_LIB_VERSION == _SVID_) - exc.retval = 0.0; - else - exc.retval = 0.0/0.0; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = EDOM; + return 0.0/0.0; } else return z; #endif diff --git a/newlib/libm/math/wf_acos.c b/newlib/libm/math/wf_acos.c index 8154c79..15d8699 100644 --- a/newlib/libm/math/wf_acos.c +++ b/newlib/libm/math/wf_acos.c @@ -26,24 +26,12 @@ return __ieee754_acosf(x); #else float z; - struct exception exc; z = __ieee754_acosf(x); if(_LIB_VERSION == _IEEE_ || isnan(x)) return z; - if(fabsf(x)>(float)1.0) { + if(fabsf(x)>1.0f) { /* acosf(|x|>1) */ - exc.type = DOMAIN; - exc.name = "acosf"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - exc.retval = nan(""); - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + errno = EDOM; + return (float) nan(""); } else return z; #endif diff --git a/newlib/libm/math/wf_acosh.c b/newlib/libm/math/wf_acosh.c index fc8ec3a..6a8000f 100644 --- a/newlib/libm/math/wf_acosh.c +++ b/newlib/libm/math/wf_acosh.c @@ -32,24 +32,12 @@ return __ieee754_acoshf(x); #else float z; - struct exception exc; z = __ieee754_acoshf(x); if(_LIB_VERSION == _IEEE_ || isnan(x)) return z; - if(x<(float)1.0) { - /* acoshf(x<1) */ - exc.type = DOMAIN; - exc.name = "acoshf"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - exc.retval = 0.0/0.0; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + if(x<1.0f) { + /* acoshf(x<1) */ + errno = EDOM; + return 0.0f/0.0f; } else return z; #endif diff --git a/newlib/libm/math/wf_asin.c b/newlib/libm/math/wf_asin.c index 385de54..2f9ffaf 100644 --- a/newlib/libm/math/wf_asin.c +++ b/newlib/libm/math/wf_asin.c @@ -33,24 +33,12 @@ return __ieee754_asinf(x); #else float z; - struct exception exc; z = __ieee754_asinf(x); if(_LIB_VERSION == _IEEE_ || isnan(x)) return z; - if(fabsf(x)>(float)1.0) { + if(fabsf(x)>1.0f) { /* asinf(|x|>1) */ - exc.type = DOMAIN; - exc.name = "asinf"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - exc.retval = nan(""); - if(_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + errno = EDOM; + return (float)nan(""); } else return z; #endif diff --git a/newlib/libm/math/wf_atanh.c b/newlib/libm/math/wf_atanh.c index 5656304..31e0490 100644 --- a/newlib/libm/math/wf_atanh.c +++ b/newlib/libm/math/wf_atanh.c @@ -30,39 +30,19 @@ return __ieee754_atanhf(x); #else float z,y; - struct exception exc; z = __ieee754_atanhf(x); if(_LIB_VERSION == _IEEE_ || isnan(x)) return z; y = fabsf(x); - if(y>=(float)1.0) { - if(y>(float)1.0) { - /* atanhf(|x|>1) */ - exc.type = DOMAIN; - exc.name = "atanhf"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - exc.retval = 0.0/0.0; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } + if(y>=1.0f) { + if(y>1.0f) { + /* atanhf(|x|>1) */ + errno = EDOM; + return 0.0f/0.0f; } else { - /* atanhf(|x|=1) */ - exc.type = SING; - exc.name = "atanhf"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - exc.retval = x/0.0; /* sign(x)*inf */ - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + /* atanhf(|x|=1) */ + errno = EDOM; + return x/0.0f; /* sign(x)*inf */ + } } else return z; #endif diff --git a/newlib/libm/math/wf_cosh.c b/newlib/libm/math/wf_cosh.c index 02eb124..1b507b0 100644 --- a/newlib/libm/math/wf_cosh.c +++ b/newlib/libm/math/wf_cosh.c @@ -31,10 +31,9 @@ return __ieee754_coshf(x); #else float z; - struct exception exc; z = __ieee754_coshf(x); if(_LIB_VERSION == _IEEE_ || isnan(x)) return z; - if(fabsf(x)>(float)8.9415985107e+01) { + if(fabsf(x)>8.9415985107e+01f) { /* coshf(finite) overflow */ #ifndef HUGE_VAL #define HUGE_VAL inf @@ -42,22 +41,8 @@ SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.type = OVERFLOW; - exc.name = "coshf"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - if (_LIB_VERSION == _SVID_) - exc.retval = HUGE; - else - exc.retval = HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + errno = ERANGE; + return (float)HUGE_VAL; } else return z; #endif diff --git a/newlib/libm/math/wf_exp.c b/newlib/libm/math/wf_exp.c index f16af1d..af1800e 100644 --- a/newlib/libm/math/wf_exp.c +++ b/newlib/libm/math/wf_exp.c @@ -40,7 +40,6 @@ u_threshold= -1.0397208405e+02; /* 0xc2cff1b5 */ return __ieee754_expf(x); #else float z; - struct exception exc; z = __ieee754_expf(x); if(_LIB_VERSION == _IEEE_) return z; if(finitef(x)) { @@ -52,37 +51,12 @@ u_threshold= -1.0397208405e+02; /* 0xc2cff1b5 */ SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.type = OVERFLOW; - exc.name = "expf"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - if (_LIB_VERSION == _SVID_) - exc.retval = HUGE; - else - exc.retval = HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + return HUGE_VAL; } else if(x<u_threshold) { /* expf(finite) underflow */ - exc.type = UNDERFLOW; - exc.name = "expf"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - exc.retval = 0.0; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + return 0.0f; } } return z; diff --git a/newlib/libm/math/wf_fmod.c b/newlib/libm/math/wf_fmod.c index 030ca3e..451318e 100644 --- a/newlib/libm/math/wf_fmod.c +++ b/newlib/libm/math/wf_fmod.c @@ -31,28 +31,12 @@ return __ieee754_fmodf(x,y); #else float z; - struct exception exc; z = __ieee754_fmodf(x,y); if(_LIB_VERSION == _IEEE_ ||isnan(y)||isnan(x)) return z; - if(y==(float)0.0) { + if(y==0.0f) { /* fmodf(x,0) */ - exc.type = DOMAIN; - exc.name = "fmodf"; - exc.err = 0; - exc.arg1 = (double)x; - exc.arg2 = (double)y; - if (_LIB_VERSION == _SVID_) - exc.retval = x; - else - exc.retval = 0.0/0.0; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + errno = EDOM; + return 0.0f/0.0f; } else return z; #endif diff --git a/newlib/libm/math/wf_gamma.c b/newlib/libm/math/wf_gamma.c index 1204f39..aeaf394 100644 --- a/newlib/libm/math/wf_gamma.c +++ b/newlib/libm/math/wf_gamma.c @@ -29,7 +29,6 @@ return __ieee754_gammaf_r(x,&(_REENT_SIGNGAM(_REENT))); #else float y; - struct exception exc; y = __ieee754_gammaf_r(x,&(_REENT_SIGNGAM(_REENT))); if(_LIB_VERSION == _IEEE_) return y; if(!finitef(y)&&finitef(x)) { @@ -39,40 +38,14 @@ SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - if(floorf(x)==x&&x<=(float)0.0) { + if(floorf(x)==x&&x<=0.0f) { /* gammaf(-integer) or gammaf(0) */ - exc.type = SING; - exc.name = "gammaf"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - if (_LIB_VERSION == _SVID_) - exc.retval = HUGE; - else - exc.retval = HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } + errno = EDOM; } else { /* gammaf(finite) overflow */ - exc.type = OVERFLOW; - exc.name = "gammaf"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - if (_LIB_VERSION == _SVID_) - exc.retval = HUGE; - else - exc.retval = HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } + errno = ERANGE; } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + return (float)HUGE_VAL; } else return y; #endif diff --git a/newlib/libm/math/wf_hypot.c b/newlib/libm/math/wf_hypot.c index c04ace1..7a2234c 100644 --- a/newlib/libm/math/wf_hypot.c +++ b/newlib/libm/math/wf_hypot.c @@ -31,7 +31,6 @@ return __ieee754_hypotf(x,y); #else float z; - struct exception exc; z = __ieee754_hypotf(x,y); if(_LIB_VERSION == _IEEE_) return z; if((!finitef(z))&&finitef(x)&&finitef(y)) { @@ -42,23 +41,8 @@ SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.type = OVERFLOW; - exc.name = "hypotf"; - exc.err = 0; - exc.arg1 = (double)x; - exc.arg2 = (double)y; - if (_LIB_VERSION == _SVID_) - exc.retval = HUGE; - else - exc.retval = HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + errno = ERANGE; + return (float)HUGE_VAL; } else return z; #endif diff --git a/newlib/libm/math/wf_j0.c b/newlib/libm/math/wf_j0.c index 1f7f5ed..71ea421 100644 --- a/newlib/libm/math/wf_j0.c +++ b/newlib/libm/math/wf_j0.c @@ -30,24 +30,12 @@ #ifdef _IEEE_LIBM return __ieee754_j0f(x); #else - struct exception exc; float z = __ieee754_j0f(x); if(_LIB_VERSION == _IEEE_ || isnan(x)) return z; if(fabsf(x)>(float)X_TLOSS) { /* j0f(|x|>X_TLOSS) */ - exc.type = TLOSS; - exc.name = "j0f"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - exc.retval = 0.0; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + errno = ERANGE; + return 0.0f; } else return z; #endif @@ -64,7 +52,6 @@ return __ieee754_y0f(x); #else float z; - struct exception exc; z = __ieee754_y0f(x); if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z; if(x <= (float)0.0){ @@ -75,38 +62,13 @@ SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif /* y0f(0) = -inf or y0f(x<0) = NaN */ - exc.type = DOMAIN; /* should be SING for IEEE y0f(0) */ - exc.name = "y0f"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - if (_LIB_VERSION == _SVID_) - exc.retval = -HUGE; - else - exc.retval = -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + errno = EDOM; + return (float)-HUGE_VAL; } if(x>(float)X_TLOSS) { /* y0f(x>X_TLOSS) */ - exc.type = TLOSS; - exc.name = "y0f"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - exc.retval = 0.0; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + errno = ERANGE; + return 0.0f; } else return z; #endif diff --git a/newlib/libm/math/wf_j1.c b/newlib/libm/math/wf_j1.c index b919628..01c9999 100644 --- a/newlib/libm/math/wf_j1.c +++ b/newlib/libm/math/wf_j1.c @@ -32,24 +32,12 @@ return __ieee754_j1f(x); #else float z; - struct exception exc; z = __ieee754_j1f(x); if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z; if(fabsf(x)>(float)X_TLOSS) { /* j1f(|x|>X_TLOSS) */ - exc.type = TLOSS; - exc.name = "j1f"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - exc.retval = 0.0; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + return 0.0f; } else return z; #endif @@ -66,10 +54,9 @@ return __ieee754_y1f(x); #else float z; - struct exception exc; z = __ieee754_y1f(x); if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z; - if(x <= (float)0.0){ + if(x <= 0.0f){ /* y1f(0) = -inf or y1f(x<0) = NaN */ #ifndef HUGE_VAL #define HUGE_VAL inf @@ -77,38 +64,13 @@ SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.type = DOMAIN; /* should be SING for IEEE */ - exc.name = "y1f"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - if (_LIB_VERSION == _SVID_) - exc.retval = -HUGE; - else - exc.retval = -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + errno = EDOM; + return (float)-HUGE_VAL; } if(x>(float)X_TLOSS) { /* y1f(x>X_TLOSS) */ - exc.type = TLOSS; - exc.name = "y1f"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - exc.retval = 0.0; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + errno = ERANGE; + return 0.0f; } else return z; #endif diff --git a/newlib/libm/math/wf_jn.c b/newlib/libm/math/wf_jn.c index 837b6b7..b418372 100644 --- a/newlib/libm/math/wf_jn.c +++ b/newlib/libm/math/wf_jn.c @@ -28,25 +28,12 @@ return __ieee754_jnf(n,x); #else float z; - struct exception exc; z = __ieee754_jnf(n,x); if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z; if(fabsf(x)>(float)X_TLOSS) { /* jnf(|x|>X_TLOSS) */ - exc.type = TLOSS; - exc.name = "jnf"; - exc.err = 0; - exc.arg1 = (double)n; - exc.arg2 = (double)x; - exc.retval = 0.0; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + return 0.0f; } else return z; #endif @@ -63,10 +50,9 @@ return __ieee754_ynf(n,x); #else float z; - struct exception exc; z = __ieee754_ynf(n,x); if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z; - if(x <= (float)0.0){ + if(x <= 0.0f){ /* ynf(n,0) = -inf or ynf(x<0) = NaN */ #ifndef HUGE_VAL #define HUGE_VAL inf @@ -74,40 +60,13 @@ SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.type = DOMAIN; /* should be SING for IEEE */ - exc.name = "ynf"; - exc.err = 0; - exc.arg1 = (double)n; - exc.arg2 = (double)x; - if (_LIB_VERSION == _SVID_) - exc.retval = -HUGE; - else - exc.retval = -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + errno = EDOM; + return (float)-HUGE_VAL; } if(x>(float)X_TLOSS) { /* ynf(x>X_TLOSS) */ - exc.type = TLOSS; - exc.name = "ynf"; - exc.err = 0; - exc.arg1 = (double)n; - exc.arg2 = (double)x; - exc.retval = 0.0; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + errno = ERANGE; + return 0.0f; } else return z; #endif diff --git a/newlib/libm/math/wf_lgamma.c b/newlib/libm/math/wf_lgamma.c index f1bf0c0..574111e 100644 --- a/newlib/libm/math/wf_lgamma.c +++ b/newlib/libm/math/wf_lgamma.c @@ -29,7 +29,6 @@ return __ieee754_lgammaf_r(x,&(_REENT_SIGNGAM(_REENT))); #else float y; - struct exception exc; y = __ieee754_lgammaf_r(x,&(_REENT_SIGNGAM(_REENT))); if(_LIB_VERSION == _IEEE_) return y; if(!finitef(y)&&finitef(x)) { @@ -39,34 +38,14 @@ SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.name = "lgammaf"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - if (_LIB_VERSION == _SVID_) - exc.retval = HUGE; - else - exc.retval = HUGE_VAL; - if(floorf(x)==x&&x<=(float)0.0) { + if(floorf(x)==x&&x<=0.0f) { /* lgammaf(-integer) */ - exc.type = SING; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - - } else { + errno = EDOM; + } else { /* lgammaf(finite) overflow */ - exc.type = OVERFLOW; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + errno = ERANGE; + } + return (float)HUGE_VAL; } else return y; #endif diff --git a/newlib/libm/math/wf_log.c b/newlib/libm/math/wf_log.c index 07be8d6..24e6eeb 100644 --- a/newlib/libm/math/wf_log.c +++ b/newlib/libm/math/wf_log.c @@ -32,43 +32,23 @@ return __ieee754_logf(x); #else float z; - struct exception exc; z = __ieee754_logf(x); - if(_LIB_VERSION == _IEEE_ || isnan(x) || x > (float)0.0) return z; + if(_LIB_VERSION == _IEEE_ || isnan(x) || x > 0.0f) return z; #ifndef HUGE_VAL #define HUGE_VAL inf double inf = 0.0; SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.name = "logf"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - if (_LIB_VERSION == _SVID_) - exc.retval = -HUGE; - else - exc.retval = -HUGE_VAL; - if(x==(float)0.0) { + if(x==0.0f) { /* logf(0) */ - exc.type = SING; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } + errno = ERANGE; + return (float)-HUGE_VAL; } else { /* logf(x<0) */ - exc.type = DOMAIN; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - exc.retval = nan(""); + errno = EDOM; + return nan(""); } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; #endif } diff --git a/newlib/libm/math/wf_log10.c b/newlib/libm/math/wf_log10.c index 11c5956..3560c5c 100644 --- a/newlib/libm/math/wf_log10.c +++ b/newlib/libm/math/wf_log10.c @@ -31,44 +31,24 @@ return __ieee754_log10f(x); #else float z; - struct exception exc; z = __ieee754_log10f(x); if(_LIB_VERSION == _IEEE_ || isnan(x)) return z; - if(x<=(float)0.0) { + if(x<=0.0f) { #ifndef HUGE_VAL #define HUGE_VAL inf double inf = 0.0; SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.name = "log10f"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - if (_LIB_VERSION == _SVID_) - exc.retval = -HUGE; - else - exc.retval = -HUGE_VAL; - if(x==(float)0.0) { - /* log10f(0) */ - exc.type = SING; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } + if(x==0.0f) { + /* log10f(0) */ + errno = ERANGE; + return (float)-HUGE_VAL; } else { - /* log10f(x<0) */ - exc.type = DOMAIN; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - exc.retval = nan(""); + /* log10f(x<0) */ + errno = EDOM; + return nan(""); } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; } else return z; #endif diff --git a/newlib/libm/math/wf_pow.c b/newlib/libm/math/wf_pow.c index f753b52..2288977 100644 --- a/newlib/libm/math/wf_pow.c +++ b/newlib/libm/math/wf_pow.c @@ -32,136 +32,50 @@ return __ieee754_powf(x,y); #else float z; - struct exception exc; z=__ieee754_powf(x,y); if(_LIB_VERSION == _IEEE_|| isnan(y)) return z; if(isnan(x)) { - if(y==(float)0.0) { + if(y==0.0f) { /* powf(NaN,0.0) */ - /* error only if _LIB_VERSION == _SVID_ & _XOPEN_ */ - exc.type = DOMAIN; - exc.name = "powf"; - exc.err = 0; - exc.arg1 = (double)x; - exc.arg2 = (double)y; - exc.retval = 1.0; - if (_LIB_VERSION == _IEEE_ || - _LIB_VERSION == _POSIX_) exc.retval = 1.0; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + /* Not an error. */ + return 1.0f; } else return z; } - if(x==(float)0.0){ - if(y==(float)0.0) { + if(x==0.0f){ + if(y==0.0f) { /* powf(0.0,0.0) */ - /* error only if _LIB_VERSION == _SVID_ */ - exc.type = DOMAIN; - exc.name = "powf"; - exc.err = 0; - exc.arg1 = (double)x; - exc.arg2 = (double)y; - exc.retval = 0.0; - if (_LIB_VERSION != _SVID_) exc.retval = 1.0; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + /* Not an error. */ + return 1.0f; } - if(finitef(y)&&y<(float)0.0) { + if(finitef(y)&&y<0.0f) { /* 0**neg */ - exc.type = DOMAIN; - exc.name = "powf"; - exc.err = 0; - exc.arg1 = (double)x; - exc.arg2 = (double)y; - if (_LIB_VERSION == _SVID_) - exc.retval = 0.0; - else - exc.retval = -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; - } + errno = EDOM; + return (float)-HUGE_VAL; + } return z; } if(!finitef(z)) { if(finitef(x)&&finitef(y)) { - if(isnan(z)) { + if(isnan(z)) { /* neg**non-integral */ - exc.type = DOMAIN; - exc.name = "powf"; - exc.err = 0; - exc.arg1 = (double)x; - exc.arg2 = (double)y; - if (_LIB_VERSION == _SVID_) - exc.retval = 0.0; - else - /* Use a float divide, to avoid a soft-float double - divide call on single-float only targets. */ - exc.retval = (0.0f/0.0f); /* X/Open allow NaN */ - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; - } else { + errno = EDOM; + /* Use a float divide, to avoid a soft-float double + divide call on single-float only targets. */ + return 0.0f/0.0f; + } else { /* powf(x,y) overflow */ - exc.type = OVERFLOW; - exc.name = "powf"; - exc.err = 0; - exc.arg1 = (double)x; - exc.arg2 = (double)y; - if (_LIB_VERSION == _SVID_) { - exc.retval = HUGE; - y *= 0.5; - if(x<0.0f&&rintf(y)!=y) exc.retval = -HUGE; - } else { - exc.retval = HUGE_VAL; - y *= 0.5; - if(x<0.0f&&rintf(y)!=y) exc.retval = -HUGE_VAL; - } - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; - } + errno = ERANGE; + if(x<0.0f&&rintf(y)!=y) + return (float)-HUGE_VAL; + return (float)HUGE_VAL; + } } } - if(z==(float)0.0&&finitef(x)&&finitef(y)) { + if(z==0.0f&&finitef(x)&&finitef(y)) { /* powf(x,y) underflow */ - exc.type = UNDERFLOW; - exc.name = "powf"; - exc.err = 0; - exc.arg1 = (double)x; - exc.arg2 = (double)y; - exc.retval = 0.0; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + errno = ERANGE; + return 0.0f; } return z; #endif diff --git a/newlib/libm/math/wf_remainder.c b/newlib/libm/math/wf_remainder.c index f38c237..463d1bc 100644 --- a/newlib/libm/math/wf_remainder.c +++ b/newlib/libm/math/wf_remainder.c @@ -31,25 +31,12 @@ return __ieee754_remainderf(x,y); #else float z; - struct exception exc; z = __ieee754_remainderf(x,y); if(_LIB_VERSION == _IEEE_ || isnan(y)) return z; - if(y==(float)0.0) { - /* remainderf(x,0) */ - exc.type = DOMAIN; - exc.name = "remainderf"; - exc.err = 0; - exc.arg1 = (double)x; - exc.arg2 = (double)y; - exc.retval = 0.0/0.0; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + if(y==0.0f) { + /* remainderf(x,0) */ + errno = EDOM; + return 0.0f/0.0f; } else return z; #endif diff --git a/newlib/libm/math/wf_scalb.c b/newlib/libm/math/wf_scalb.c index d2c3cd2..acdf8a8 100644 --- a/newlib/libm/math/wf_scalb.c +++ b/newlib/libm/math/wf_scalb.c @@ -47,42 +47,17 @@ SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - struct exception exc; z = __ieee754_scalbf(x,fn); if(_LIB_VERSION == _IEEE_) return z; if(!(finitef(z)||isnan(z))&&finitef(x)) { - /* scalbf overflow; SVID also returns +-HUGE_VAL */ - exc.type = OVERFLOW; - exc.name = "scalbf"; - exc.err = 0; - exc.arg1 = (double)x; - exc.arg2 = (double)fn; - exc.retval = x > 0.0 ? HUGE_VAL : -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + /* scalbf overflow; */ + errno = ERANGE; + return (x > 0.0 ? HUGE_VAL : -HUGE_VAL); } - if(z==(float)0.0&&z!=x) { + if(z==0.0f&&z!=x) { /* scalbf underflow */ - exc.type = UNDERFLOW; - exc.name = "scalbf"; - exc.err = 0; - exc.arg1 = (double)x; - exc.arg2 = (double)fn; - exc.retval = copysign(0.0,x); - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + return copysign(0.0,x); } #ifndef _SCALB_INT if(!finitef(fn)) errno = ERANGE; diff --git a/newlib/libm/math/wf_sinh.c b/newlib/libm/math/wf_sinh.c index 80c7a8e..f7d5a96 100644 --- a/newlib/libm/math/wf_sinh.c +++ b/newlib/libm/math/wf_sinh.c @@ -31,7 +31,6 @@ return __ieee754_sinhf(x); #else float z; - struct exception exc; z = __ieee754_sinhf(x); if(_LIB_VERSION == _IEEE_) return z; if(!finitef(z)&&finitef(x)) { @@ -42,22 +41,8 @@ SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.type = OVERFLOW; - exc.name = "sinhf"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - if (_LIB_VERSION == _SVID_) - exc.retval = ( (x>0.0) ? HUGE : -HUGE); - else - exc.retval = ( (x>0.0) ? HUGE_VAL : -HUGE_VAL); - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + errno = ERANGE; + return ( (x>0.0f) ? HUGE_VAL : -HUGE_VAL); } else return z; #endif diff --git a/newlib/libm/math/wf_sqrt.c b/newlib/libm/math/wf_sqrt.c index 4536ba0..4107511 100644 --- a/newlib/libm/math/wf_sqrt.c +++ b/newlib/libm/math/wf_sqrt.c @@ -31,27 +31,12 @@ return __ieee754_sqrtf(x); #else float z; - struct exception exc; z = __ieee754_sqrtf(x); if(_LIB_VERSION == _IEEE_ || isnan(x)) return z; - if(x<(float)0.0) { - /* sqrtf(negative) */ - exc.type = DOMAIN; - exc.name = "sqrtf"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - if (_LIB_VERSION == _SVID_) - exc.retval = 0.0; - else - exc.retval = 0.0/0.0; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + if(x<0.0f) { + /* sqrtf(negative) */ + errno = EDOM; + return 0.0f/0.0f; } else return z; #endif diff --git a/newlib/libm/math/wr_gamma.c b/newlib/libm/math/wr_gamma.c index 0092ed0..f07908c 100644 --- a/newlib/libm/math/wr_gamma.c +++ b/newlib/libm/math/wr_gamma.c @@ -31,7 +31,6 @@ return __ieee754_gamma_r(x,signgamp); #else double y; - struct exception exc; y = __ieee754_gamma_r(x,signgamp); if(_LIB_VERSION == _IEEE_) return y; if(!finite(y)&&finite(x)) { @@ -41,33 +40,13 @@ SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.name = "gamma"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - if (_LIB_VERSION == _SVID_) - exc.retval = HUGE; - else - exc.retval = HUGE_VAL; - if(floor(x)==x&&x<=0.0) { - /* gamma(-integer) or gamma(0) */ - exc.type = SING; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - } else { - /* gamma(finite) overflow */ - exc.type = OVERFLOW; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + if(floor(x)==x&&x<=0.0) + /* gamma(-integer) or gamma(0) */ + errno = EDOM; + else + /* gamma(finite) overflow */ + errno = ERANGE; + return HUGE_VAL; } else return y; #endif diff --git a/newlib/libm/math/wr_lgamma.c b/newlib/libm/math/wr_lgamma.c index c59c1cc..8a32a59 100644 --- a/newlib/libm/math/wr_lgamma.c +++ b/newlib/libm/math/wr_lgamma.c @@ -31,7 +31,6 @@ return __ieee754_lgamma_r(x,signgamp); #else double y; - struct exception exc; y = __ieee754_lgamma_r(x,signgamp); if(_LIB_VERSION == _IEEE_) return y; if(!finite(y)&&finite(x)) { @@ -41,34 +40,13 @@ SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.name = "lgamma"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - if (_LIB_VERSION == _SVID_) - exc.retval = HUGE; - else - exc.retval = HUGE_VAL; - if(floor(x)==x&&x<=0.0) { - /* lgamma(-integer) */ - exc.type = SING; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - - } else { - /* lgamma(finite) overflow */ - exc.type = OVERFLOW; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + if(floor(x)==x&&x<=0.0) + /* lgamma(-integer) */ + errno = EDOM; + else + /* lgamma(finite) overflow */ + errno = ERANGE; + return HUGE_VAL; } else return y; #endif diff --git a/newlib/libm/math/wrf_gamma.c b/newlib/libm/math/wrf_gamma.c index ae285f5..625ea47 100644 --- a/newlib/libm/math/wrf_gamma.c +++ b/newlib/libm/math/wrf_gamma.c @@ -31,7 +31,6 @@ return __ieee754_gammaf_r(x,signgamp); #else float y; - struct exception exc; y = __ieee754_gammaf_r(x,signgamp); if(_LIB_VERSION == _IEEE_) return y; if(!finitef(y)&&finitef(x)) { @@ -41,33 +40,14 @@ SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.name = "gammaf"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - if (_LIB_VERSION == _SVID_) - exc.retval = HUGE; - else - exc.retval = HUGE_VAL; - if(floorf(x)==x&&x<=(float)0.0) { + if(floorf(x)==x&&x<=0.0f) { /* gammaf(-integer) or gamma(0) */ - exc.type = SING; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - } else { + errno = EDOM; + } else { /* gammaf(finite) overflow */ - exc.type = OVERFLOW; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + errno = ERANGE; + } + return (float)HUGE_VAL; } else return y; #endif diff --git a/newlib/libm/math/wrf_lgamma.c b/newlib/libm/math/wrf_lgamma.c index 73985e2..e91bffb 100644 --- a/newlib/libm/math/wrf_lgamma.c +++ b/newlib/libm/math/wrf_lgamma.c @@ -31,7 +31,6 @@ return __ieee754_lgammaf_r(x,signgamp); #else float y; - struct exception exc; y = __ieee754_lgammaf_r(x,signgamp); if(_LIB_VERSION == _IEEE_) return y; if(!finitef(y)&&finitef(x)) { @@ -41,34 +40,14 @@ SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.name = "lgammaf"; - exc.err = 0; - exc.arg1 = exc.arg2 = (double)x; - if (_LIB_VERSION == _SVID_) - exc.retval = HUGE; - else - exc.retval = HUGE_VAL; - if(floorf(x)==x&&x<=(float)0.0) { + if(floorf(x)==x&&x<=0.0f) { /* lgammaf(-integer) or lgamma(0) */ - exc.type = SING; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - - } else { + errno = EDOM; + } else { /* lgammaf(finite) overflow */ - exc.type = OVERFLOW; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + errno = ERANGE; + } + return (float)HUGE_VAL; } else return y; #endif diff --git a/newlib/libm/mathfp/e_acosh.c b/newlib/libm/mathfp/e_acosh.c index 0ad0f06..1146b1d 100644 --- a/newlib/libm/mathfp/e_acosh.c +++ b/newlib/libm/mathfp/e_acosh.c @@ -33,18 +33,15 @@ RETURNS <<acosh>> and <<acoshf>> return the calculated value. If <[x]> less than 1, the return value is NaN and <<errno>> is set to <<EDOM>>. -You can change the error-handling behavior with the non-ANSI -<<matherr>> function. - PORTABILITY Neither <<acosh>> nor <<acoshf>> are ANSI C. They are not recommended for portable programs. QUICKREF - ansi svid posix rentrant - acos n,n,n,m - acosf n,n,n,m + ansi posix rentrant + acos n,n,m + acosf n,n,m MATHREF acosh, NAN, arg,DOMAIN,EDOM diff --git a/newlib/libm/mathfp/e_atanh.c b/newlib/libm/mathfp/e_atanh.c index 072c446..d56d502 100644 --- a/newlib/libm/mathfp/e_atanh.c +++ b/newlib/libm/mathfp/e_atanh.c @@ -55,9 +55,6 @@ RETURNS is 1, the global <<errno>> is set to <<EDOM>>; and the result is infinity with the same sign as <<x>>. A <<SING error>> is reported. - You can modify the error handling for these routines using - <<matherr>>. - PORTABILITY Neither <<atanh>> nor <<atanhf>> are ANSI C. diff --git a/newlib/libm/mathfp/e_hypot.c b/newlib/libm/mathfp/e_hypot.c index 1a59afc..2729eeb 100644 --- a/newlib/libm/mathfp/e_hypot.c +++ b/newlib/libm/mathfp/e_hypot.c @@ -41,8 +41,6 @@ RETURNS <<hypot>> returns <<HUGE_VAL>> and sets <<errno>> to <<ERANGE>>. - You can change the error treatment with <<matherr>>. - PORTABILITY <<hypot>> and <<hypotf>> are not ANSI C. */ diff --git a/newlib/libm/mathfp/er_lgamma.c b/newlib/libm/mathfp/er_lgamma.c index 915dac7..cb0f2c2 100644 --- a/newlib/libm/mathfp/er_lgamma.c +++ b/newlib/libm/mathfp/er_lgamma.c @@ -97,8 +97,6 @@ When <[x]> is a nonpositive integer, <<gamma>> returns <<HUGE_VAL>> and <<errno>> is set to <<EDOM>>. If the result overflows, <<gamma>> returns <<HUGE_VAL>> and <<errno>> is set to <<ERANGE>>. -You can modify this error treatment using <<matherr>>. - PORTABILITY Neither <<gamma>> nor <<gammaf>> is ANSI C. */ diff --git a/newlib/libm/mathfp/s_acos.c b/newlib/libm/mathfp/s_acos.c index d0318e1..d43b45c 100644 --- a/newlib/libm/mathfp/s_acos.c +++ b/newlib/libm/mathfp/s_acos.c @@ -37,13 +37,10 @@ o $\pi$. (not a number) the global variable <<errno>> is set to <<EDOM>>, and a <<DOMAIN error>> message is sent as standard error output. - You can modify error handling for these functions using <<matherr>>. - - QUICKREF - ansi svid posix rentrant - acos y,y,y,m - acosf n,n,n,m + ansi posix rentrant + acos y,y,m + acosf n,n,m MATHREF acos, [-1,1], acos(arg),,, diff --git a/newlib/libm/mathfp/s_atan2.c b/newlib/libm/mathfp/s_atan2.c index 3952539..d8ba3a2 100644 --- a/newlib/libm/mathfp/s_atan2.c +++ b/newlib/libm/mathfp/s_atan2.c @@ -41,8 +41,6 @@ $-\pi$ to $\pi$. If both <[x]> and <[y]> are 0.0, <<atan2>> causes a <<DOMAIN>> error. -You can modify error handling for these functions using <<matherr>>. - PORTABILITY <<atan2>> is ANSI C. <<atan2f>> is an extension. diff --git a/newlib/libm/mathfp/s_cosh.c b/newlib/libm/mathfp/s_cosh.c index bfe6650..9d6f8d1 100644 --- a/newlib/libm/mathfp/s_cosh.c +++ b/newlib/libm/mathfp/s_cosh.c @@ -31,9 +31,6 @@ RETURNS an overflow, <<cosh>> returns the value <<HUGE_VAL>> with the appropriate sign, and the global value <<errno>> is set to <<ERANGE>>. - You can modify error handling for these functions using the - function <<matherr>>. - PORTABILITY <<cosh>> is ANSI. <<coshf>> is an extension. diff --git a/newlib/libm/mathfp/s_fmod.c b/newlib/libm/mathfp/s_fmod.c index d878f00..4197ea8 100644 --- a/newlib/libm/mathfp/s_fmod.c +++ b/newlib/libm/mathfp/s_fmod.c @@ -43,8 +43,6 @@ magnitude of <[y]>. <<fmod(<[x]>,0)>> returns NaN, and sets <<errno>> to <<EDOM>>. -You can modify error treatment for these functions using <<matherr>>. - PORTABILITY <<fmod>> is ANSI C. <<fmodf>> is an extension. */ diff --git a/newlib/libm/mathfp/s_logarithm.c b/newlib/libm/mathfp/s_logarithm.c index e8c2420..b9ec637 100644 --- a/newlib/libm/mathfp/s_logarithm.c +++ b/newlib/libm/mathfp/s_logarithm.c @@ -38,8 +38,7 @@ RETURNS Normally, returns the calculated value. When <[x]> is zero, the returned value is <<-HUGE_VAL>> and <<errno>> is set to <<ERANGE>>. When <[x]> is negative, the returned value is <<-HUGE_VAL>> and -<<errno>> is set to <<EDOM>>. You can control the error behavior via -<<matherr>>. +<<errno>> is set to <<EDOM>>. PORTABILITY <<log>> is ANSI. <<logf>> is an extension. diff --git a/newlib/libm/mathfp/s_pow.c b/newlib/libm/mathfp/s_pow.c index 5866dcd..4754cf0 100644 --- a/newlib/libm/mathfp/s_pow.c +++ b/newlib/libm/mathfp/s_pow.c @@ -31,8 +31,6 @@ RETURNS is set to <<EDOM>>. If <[x]> and <[y]> are both 0, then <<pow>> and <<powf>> return <<1>>. - You can modify error handling for these functions using <<matherr>>. - PORTABILITY <<pow>> is ANSI C. <<powf>> is an extension. */ diff --git a/newlib/libm/mathfp/w_jn.c b/newlib/libm/mathfp/w_jn.c index 71ea4a0..15b9412 100644 --- a/newlib/libm/mathfp/w_jn.c +++ b/newlib/libm/mathfp/w_jn.c @@ -127,25 +127,12 @@ None of the Bessel functions are in ANSI C. return jn(n,x); #else double z; - struct exception exc; z = jn(n,x); if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z; if(fabs(x)>X_TLOSS) { /* jn(|x|>X_TLOSS) */ - exc.type = TLOSS; - exc.name = "jn"; - exc.err = 0; - exc.arg1 = n; - exc.arg2 = x; - exc.retval = 0.0; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + return 0.0; } else return z; #endif @@ -162,7 +149,6 @@ None of the Bessel functions are in ANSI C. return yn(n,x); #else double z; - struct exception exc; z = yn(n,x); if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z; if(x <= 0.0){ @@ -173,40 +159,13 @@ None of the Bessel functions are in ANSI C. SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.type = DOMAIN; /* should be SING for IEEE */ - exc.name = "yn"; - exc.err = 0; - exc.arg1 = n; - exc.arg2 = x; - if (_LIB_VERSION == _SVID_) - exc.retval = -HUGE; - else - exc.retval = -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = EDOM; + return -HUGE_VAL; } if(x>X_TLOSS) { /* yn(x>X_TLOSS) */ - exc.type = TLOSS; - exc.name = "yn"; - exc.err = 0; - exc.arg1 = n; - exc.arg2 = x; - exc.retval = 0.0; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + return 0.0; } else return z; #endif diff --git a/newlib/libm/mathfp/wf_jn.c b/newlib/libm/mathfp/wf_jn.c index ebc886d..5260274 100644 --- a/newlib/libm/mathfp/wf_jn.c +++ b/newlib/libm/mathfp/wf_jn.c @@ -28,25 +28,12 @@ return jnf(n,x); #else float z; - struct exception exc; z = jnf(n,x); if(_LIB_VERSION == _IEEE_ || isnanf(x) ) return z; if(fabsf(x)>(float)X_TLOSS) { /* jnf(|x|>X_TLOSS) */ - exc.type = TLOSS; - exc.name = "jnf"; - exc.err = 0; - exc.arg1 = (double)n; - exc.arg2 = (double)x; - exc.retval = 0.0; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return exc.retval; + errno = ERANGE; + return 0.0f; } else return z; #endif @@ -63,10 +50,9 @@ return ynf(n,x); #else float z; - struct exception exc; z = ynf(n,x); if(_LIB_VERSION == _IEEE_ || isnanf(x) ) return z; - if(x <= (float)0.0){ + if(x <= 0.0f){ /* ynf(n,0) = -inf or ynf(x<0) = NaN */ #ifndef HUGE_VAL #define HUGE_VAL inf @@ -74,40 +60,13 @@ SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ #endif - exc.type = DOMAIN; /* should be SING for IEEE */ - exc.name = "ynf"; - exc.err = 0; - exc.arg1 = (double)n; - exc.arg2 = (double)x; - if (_LIB_VERSION == _SVID_) - exc.retval = -HUGE; - else - exc.retval = -HUGE_VAL; - if (_LIB_VERSION == _POSIX_) - errno = EDOM; - else if (!matherr(&exc)) { - errno = EDOM; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + errno = EDOM; + return (float)-HUGE_VAL; } if(x>(float)X_TLOSS) { /* ynf(x>X_TLOSS) */ - exc.type = TLOSS; - exc.name = "ynf"; - exc.err = 0; - exc.arg1 = (double)n; - exc.arg2 = (double)x; - exc.retval = 0.0; - if (_LIB_VERSION == _POSIX_) - errno = ERANGE; - else if (!matherr(&exc)) { - errno = ERANGE; - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; + errno = ERANGE; + return 0.0f; } else return z; #endif diff --git a/newlib/libm/test/math.c b/newlib/libm/test/math.c index 0a6389a..cd8441c 100644 --- a/newlib/libm/test/math.c +++ b/newlib/libm/test/math.c @@ -33,22 +33,6 @@ char *mname; int verbose; -/* To test exceptions - we trap them all and return a known value */ -int -matherr (struct exception *e) -{ - if (traperror) - { - merror = e->type + 12; - mname = e->name; - e->retval = mretval; - errno = merror + 24; - return 1; - } - return 0; -} - - void translate_to (FILE *file, double r) { @@ -90,6 +74,7 @@ ffcheck (double is, #if 0 if (p->qs[0].merror != merror) { + /* Beware, matherr doesn't exist anymore. */ printf("testing %s_vec.c:%d, matherr wrong: %d %d\n", name, p->line, merror, p->qs[0].merror); } |