diff options
Diffstat (limited to 'newlib/libm/math/wf_gamma.c')
| -rw-r--r-- | newlib/libm/math/wf_gamma.c | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/newlib/libm/math/wf_gamma.c b/newlib/libm/math/wf_gamma.c deleted file mode 100644 index 1204f39..0000000 --- a/newlib/libm/math/wf_gamma.c +++ /dev/null @@ -1,93 +0,0 @@ -/* wf_gamma.c -- float version of w_gamma.c. - * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. - */ - -/* - * ==================================================== - * 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. - * ==================================================== - * - */ - -#include "fdlibm.h" -#include <reent.h> -#include <errno.h> - -#ifdef __STDC__ - float gammaf(float x) -#else - float gammaf(x) - float x; -#endif -{ -#ifdef _IEEE_LIBM - 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)) { -#ifndef HUGE_VAL -#define HUGE_VAL inf - double inf = 0.0; - - SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */ -#endif - if(floorf(x)==x&&x<=(float)0.0) { - /* 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; - } - } 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; - } - } - if (exc.err != 0) - errno = exc.err; - return (float)exc.retval; - } else - return y; -#endif -} - -#ifdef _DOUBLE_IS_32BITS - -#ifdef __STDC__ - double gamma(double x) -#else - double gamma(x) - double x; -#endif -{ - return (double) gammaf((float) x); -} - -#endif /* defined(_DOUBLE_IS_32BITS) */ |