mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-10 07:10:06 +00:00
32 lines
936 B
C
32 lines
936 B
C
/* s_ldexpf.c -- float version of s_ldexp.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: s_ldexpf.c,v 1.3 1995/05/10 20:47:42 jtc Exp $";
|
|
#endif
|
|
|
|
#include <math.h>
|
|
#include <math_private.h>
|
|
#include <errno.h>
|
|
|
|
float __ldexpf(float value, int exp)
|
|
{
|
|
if(!isfinite(value)||value==(float)0.0) return value;
|
|
value = __scalbnf(value,exp);
|
|
if(!isfinite(value)||value==(float)0.0) __set_errno (ERANGE);
|
|
return value;
|
|
}
|
|
weak_alias (__ldexpf, ldexpf)
|