Optimize libm

[thirdparty/glibc.git] / math / w_sinhf.c

diff --git a/math/w_sinhf.c b/math/w_sinhf.c
index c3555999edb59073dfb8695d6361e3ce2baf2974..1347e917280a28b294e265d870542ae780f02934 100644 (file)
--- a/math/w_sinhf.c
+++ b/math/w_sinhf.c
@@ -8,40 +8,26 @@
  *
  * Developed at SunPro, a Sun Microsystems, Inc. business.
  * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
+ * software is freely granted, provided that this notice
  * is preserved.
  * ====================================================
  */
 
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: w_sinhf.c,v 1.3 1995/05/10 20:49:54 jtc Exp $";
-#endif
-
-/* 
+/*
  * wrapper sinhf(x)
  */
 
 #include <math.h>
 #include <math_private.h>
 
-#ifdef __STDC__
-       float __sinhf(float x)          /* wrapper sinhf */
-#else
-       float __sinhf(x)                        /* wrapper sinhf */
-       float x;
-#endif
+float
+__sinhf (float x)
 {
-#ifdef _IEEE_LIBM
-       return __ieee754_sinhf(x);
-#else
-       float z; 
-       z = __ieee754_sinhf(x);
-       if(_LIB_VERSION == _IEEE_) return z;
-       if(!__finitef(z)&&__finitef(x)) {
-           /* sinhf overflow */
-           return (float)__kernel_standard((double)x,(double)x,125);
-       } else
-           return z;
-#endif
+       float z = __ieee754_sinhf (x);
+       if (__builtin_expect (!__finitef (z), 0) && __finitef (x)
+           && _LIB_VERSION != _IEEE_)
+           return __kernel_standard_f (x, x, 125); /* sinhf overflow */
+
+       return z;
 }
 weak_alias (__sinhf, sinhf)