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author | Ulrich Drepper <drepper@redhat.com> | 1997-04-17 15:10:04 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1997-04-17 15:10:04 +0000 |
commit | dd33e89fb2693e88ba64e6b947184c5abf70ff00 (patch) | |
tree | 3a621cf04df476aa6dd7905c41e77e8133baae3e /sysdeps/libm-ieee754 | |
parent | 7799b7b3350fdcadc6dfb8821fb49b7772c96701 (diff) | |
download | glibc-dd33e89fb2693e88ba64e6b947184c5abf70ff00.zip glibc-dd33e89fb2693e88ba64e6b947184c5abf70ff00.tar.gz glibc-dd33e89fb2693e88ba64e6b947184c5abf70ff00.tar.bz2 |
Update.
1997-04-17 16:55 Ulrich Drepper <drepper@cygnus.com>
* misc/libgen.h: Change prototype for of basename to XPG variant.
* stdlib/Makefile (routines): Add xpg_basename.
* stdlib/basename.c: New file.
* string/string.h: Don't declare basename function if basename
macro is available.
1997-04-16 17:33 Miles Bader <miles@gnu.ai.mit.edu>
* login/utmp_file.c (proc_utmp_eq): Only use ut_id field if valid.
1997-04-15 12:47 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/m68k/fpu/fclrexcpt.c: New file.
* sysdeps/m68k/fpu/fenvbits.h: New file.
* sysdeps/m68k/fpu/fegetenv.c: New file.
* sysdeps/m68k/fpu/fegetround.c: New file.
* sysdeps/m68k/fpu/fesetenv.c: New file.
* sysdeps/m68k/fpu/fesetround.c: New file.
* sysdeps/m68k/fpu/feupdateenv.c: New file.
* sysdeps/m68k/fpu/fgetexcptflg.c: New file.
* sysdeps/m68k/fpu/fraiseexcpt.c: New file.
* sysdeps/m68k/fpu/fsetexcptflg.c: New file.
* sysdeps/m68k/fpu/ftestexcept.c: New file.
* sysdeps/m68k/fpu/mathbits.h: New file.
* sysdeps/m68k/fpu/s_remquo.c: New file.
* sysdeps/m68k/fpu/s_remquol.c: New file.
* sysdeps/m68k/fpu/s_remquof.c: New file.
* sysdeps/libm-ieee754/s_roundl.c: Restore integer bit when
mantissa overflows into exponent. Fix priority of >> vs +.
* math/libm-test.c (basic_tests): Use the appropriate isnan and
isinf function to test the value of the nan function.
1997-04-15 13:40 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/libm-i387/s_finite.S: Fix typo.
* sysdeps/i386/fpu/__math.h: Add optimized versions of isgreater,
isgreaterequal, isless, islessequal, islessgreater, and
isunordered.
Diffstat (limited to 'sysdeps/libm-ieee754')
-rw-r--r-- | sysdeps/libm-ieee754/s_cexp.c | 19 | ||||
-rw-r--r-- | sysdeps/libm-ieee754/s_roundl.c | 14 |
2 files changed, 23 insertions, 10 deletions
diff --git a/sysdeps/libm-ieee754/s_cexp.c b/sysdeps/libm-ieee754/s_cexp.c index 5e68f58..3181af0 100644 --- a/sysdeps/libm-ieee754/s_cexp.c +++ b/sysdeps/libm-ieee754/s_cexp.c @@ -38,16 +38,19 @@ __cexp (__complex__ double x) { /* Imaginary part is finite. */ double exp_val = __ieee754_exp (__real__ x); + double sinix, cosix; + + __sincos (__imag__ x, &sinix, &cosix); if (isfinite (exp_val)) { - __real__ retval = exp_val * __cos (__imag__ x); - __imag__ retval = exp_val * __sin (__imag__ x); + __real__ retval = exp_val * cosix; + __imag__ retval = exp_val * sinix; } else { - __real__ retval = __copysign (exp_val, __cos (__imag__ x)); - __imag__ retval = __copysign (exp_val, __sin (__imag__ x)); + __real__ retval = __copysign (exp_val, cosix); + __imag__ retval = __copysign (exp_val, sinix); } } else @@ -74,8 +77,12 @@ __cexp (__complex__ double x) } else { - __real__ retval = __copysign (value, __cos (__imag__ x)); - __imag__ retval = __copysign (value, __sin (__imag__ x)); + double sinix, cosix; + + __sincos (__imag__ x, &sinix, &cosix); + + __real__ retval = __copysign (value, cosix); + __imag__ retval = __copysign (value, sinix); } } else if (signbit (__real__ x) == 0) diff --git a/sysdeps/libm-ieee754/s_roundl.c b/sysdeps/libm-ieee754/s_roundl.c index db87154..d7482b9 100644 --- a/sysdeps/libm-ieee754/s_roundl.c +++ b/sysdeps/libm-ieee754/s_roundl.c @@ -41,9 +41,12 @@ __roundl (long double x) if (huge + x > 0.0) { se &= 0x8000; - if (j0 == -1) - se |= 0x3fff; i0 = i1 = 0; + if (j0 == -1) + { + se |= 0x3fff; + i0 = 0x80000000; + } } } else @@ -55,7 +58,7 @@ __roundl (long double x) if (huge + x > 0.0) { /* Raise inexact if x != 0. */ - u_int32_t j = i0 + 0x40000000 >> j0; + u_int32_t j = i0 + (0x40000000 >> j0); if (j < i0) se += 1; i0 = (j & ~i) | 0x80000000; @@ -86,7 +89,10 @@ __roundl (long double x) { u_int32_t k = i0 + 1; if (k < i0) - se += 1; + { + se += 1; + k |= 0x80000000; + } i0 = k; } i1 = j; |