mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-28 04:03:35 +08:00
36 lines
866 B
C
36 lines
866 B
C
/* w_hypotf.c -- float version of w_hypot.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.
|
|
* ====================================================
|
|
*/
|
|
|
|
/*
|
|
* wrapper hypotf(x,y)
|
|
*/
|
|
|
|
#include <math.h>
|
|
#include <math_private.h>
|
|
|
|
|
|
float
|
|
__hypotf(float x, float y)
|
|
{
|
|
float z = __ieee754_hypotf(x,y);
|
|
if(__builtin_expect(!isfinite(z), 0)
|
|
&& isfinite(x) && isfinite(y) && _LIB_VERSION != _IEEE_)
|
|
/* hypot overflow */
|
|
return __kernel_standard_f(x, y, 104);
|
|
|
|
return z;
|
|
}
|
|
weak_alias (__hypotf, hypotf)
|