]> git.ipfire.org Git - thirdparty/glibc.git/blobdiff - math/w_powf.c
x86-64: Add vector log1p/log1pf implementation to libmvec
[thirdparty/glibc.git] / math / w_powf.c
index 2480fe559ee2863e18fa3e654402b89b16eddb48..aea9058ebe3dd36ef99e74b252afb9e5db9120a0 100644 (file)
@@ -1,77 +1,8 @@
-/* w_powf.c -- float version of w_pow.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.
- * ====================================================
- */
-
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_powf.c,v 1.3 1995/05/10 20:49:41 jtc Exp $";
-#endif
-
-/*
- * wrapper powf(x,y) return x**y
- */
-
-#include <math.h>
-#include "math_private.h"
-
-
-#ifdef __STDC__
-       float __powf(float x, float y)  /* wrapper powf */
-#else
-       float __powf(x,y)                       /* wrapper powf */
-       float x,y;
-#endif
-{
-#ifdef _IEEE_LIBM
-       return  __ieee754_powf(x,y);
-#else
-       float z;
-       z=__ieee754_powf(x,y);
-       if(_LIB_VERSION == _IEEE_|| __isnanf(y)) return z;
-       if(__isnanf(x)) {
-           if(y==(float)0.0)
-               /* powf(NaN,0.0) */
-               return (float)__kernel_standard((double)x,(double)y,142);
-           else
-               return z;
-       }
-       if(x==(float)0.0) {
-           if(y==(float)0.0)
-               /* powf(0.0,0.0) */
-               return (float)__kernel_standard((double)x,(double)y,120);
-           if(__finitef(y)&&y<(float)0.0) {
-             if (signbit (x) && signbit (z))
-               /* powf(0.0,negative) */
-               return (float)__kernel_standard((double)x,(double)y,123);
-             else
-               return (float)__kernel_standard((double)x,(double)y,143);
-           }
-           return z;
-       }
-       if(!__finitef(z)) {
-           if(__finitef(x)&&__finitef(y)) {
-               if(__isnanf(z))
-                   /* powf neg**non-int */
-                   return (float)__kernel_standard((double)x,(double)y,124);
-               else
-                   /* powf overflow */
-                   return (float)__kernel_standard((double)x,(double)y,121);
-           }
-       }
-       if(z==(float)0.0&&__finitef(x)&&__finitef(y))
-           /* powf underflow */
-           return (float)__kernel_standard((double)x,(double)y,122);
-       return z;
-#endif
-}
-weak_alias (__powf, powf)
+#include <math-type-macros-float.h>
+#undef __USE_WRAPPER_TEMPLATE
+#define __USE_WRAPPER_TEMPLATE 1
+#undef declare_mgen_alias
+#define declare_mgen_alias(a, b)
+#include <w_pow_template.c>
+versioned_symbol (libm, __powf, powf, GLIBC_2_27);
+libm_alias_float_other (__pow, pow)