Welcome to mirror list, hosted at ThFree Co, Russian Federation.

cygwin.com/git/newlib-cygwin.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat (limited to 'newlib/libm/math/w_lgamma.c')
-rw-r--r--newlib/libm/math/w_lgamma.c89
1 files changed, 0 insertions, 89 deletions
diff --git a/newlib/libm/math/w_lgamma.c b/newlib/libm/math/w_lgamma.c
deleted file mode 100644
index 1dc63994f..000000000
--- a/newlib/libm/math/w_lgamma.c
+++ /dev/null
@@ -1,89 +0,0 @@
-
-/* @(#)w_lgamma.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.
- * ====================================================
- *
- */
-
-/* double lgamma(double x)
- * Return the logarithm of the Gamma function of x.
- *
- * Method: call __ieee754_lgamma_r
- */
-
-#include "fdlibm.h"
-#include <reent.h>
-#include <errno.h>
-
-#ifndef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
- double lgamma(double x)
-#else
- double lgamma(x)
- double x;
-#endif
-{
-#ifdef _IEEE_LIBM
- return __ieee754_lgamma_r(x,&(_REENT->_new._reent._gamma_signgam));
-#else
- double y;
- struct exception exc;
- y = __ieee754_lgamma_r(x,&(_REENT->_new._reent._gamma_signgam));
- if(_LIB_VERSION == _IEEE_) return y;
- if(!finite(y)&&finite(x)) {
-#ifndef HUGE_VAL
-#define HUGE_VAL inf
- double inf = 0.0;
-
- 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
- return y;
-#endif
-}
-
-#endif /* defined(_DOUBLE_IS_32BITS) */
-
-
-
-
-
-
-