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authorUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
committerUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
commitabfbdde177c3a7155070dda1b2cdc8292054cc26 (patch)
treee021306b596381fbf8311d2b7eb294e918ff17c8 /sysdeps/libm-ieee754/w_powl.c
parent86421aa57ecfd70963ae66848bd6a6dd3b8e0fe6 (diff)
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Update.
Diffstat (limited to 'sysdeps/libm-ieee754/w_powl.c')
-rw-r--r--sysdeps/libm-ieee754/w_powl.c68
1 files changed, 0 insertions, 68 deletions
diff --git a/sysdeps/libm-ieee754/w_powl.c b/sysdeps/libm-ieee754/w_powl.c
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--- a/sysdeps/libm-ieee754/w_powl.c
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@@ -1,68 +0,0 @@
-/* w_powl.c -- long double version of w_pow.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@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.
- * ====================================================
- */
-
-/*
- * wrapper powl(x,y) return x**y
- */
-
-#include "math.h"
-#include "math_private.h"
-
-
-#ifdef __STDC__
- long double __powl(long double x, long double y)/* wrapper powl */
-#else
- long double __powl(x,y) /* wrapper powl */
- long double x,y;
-#endif
-{
-#ifdef _IEEE_LIBM
- return __ieee754_powl(x,y);
-#else
- long double z;
- z=__ieee754_powl(x,y);
- if(_LIB_VERSION == _IEEE_|| __isnanl(y)) return z;
- if(__isnanl(x)) {
- if(y==0.0)
- return __kernel_standard(x,y,242); /* pow(NaN,0.0) */
- else
- return z;
- }
- if(x==0.0) {
- if(y==0.0)
- return __kernel_standard(x,y,220); /* pow(0.0,0.0) */
- if(__finitel(y)&&y<0.0) {
- if (signbit (x) && signbit (z))
- return __kernel_standard(x,y,223); /* pow(-0.0,negative) */
- else
- return __kernel_standard(x,y,243); /* pow(+0.0,negative) */
- }
- return z;
- }
- if(!__finitel(z)) {
- if(__finitel(x)&&__finitel(y)) {
- if(__isnanl(z))
- return __kernel_standard(x,y,224); /* pow neg**non-int */
- else
- return __kernel_standard(x,y,221); /* pow overflow */
- }
- }
- if(z==0.0&&__finitel(x)&&__finitel(y))
- return __kernel_standard(x,y,222); /* pow underflow */
- return z;
-#endif
-}
-weak_alias (__powl, powl)