mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-15 07:30:13 +00:00
77 lines
1.9 KiB
C
77 lines
1.9 KiB
C
|
/* w_j0f.c -- float version of w_j0.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_j0f.c,v 1.3 1995/05/10 20:49:13 jtc Exp $";
|
||
|
#endif
|
||
|
|
||
|
/*
|
||
|
* wrapper j0f(float x), y0f(float x)
|
||
|
*/
|
||
|
|
||
|
#include "math.h"
|
||
|
#include "math_private.h"
|
||
|
|
||
|
#ifdef __STDC__
|
||
|
float __j0f(float x) /* wrapper j0f */
|
||
|
#else
|
||
|
float __j0f(x) /* wrapper j0f */
|
||
|
float x;
|
||
|
#endif
|
||
|
{
|
||
|
#ifdef _IEEE_LIBM
|
||
|
return __ieee754_j0f(x);
|
||
|
#else
|
||
|
float z = __ieee754_j0f(x);
|
||
|
if(_LIB_VERSION == _IEEE_ || __isnanf(x)) return z;
|
||
|
if(fabsf(x)>(float)X_TLOSS) {
|
||
|
/* j0f(|x|>X_TLOSS) */
|
||
|
return (float)__kernel_standard((double)x,(double)x,134);
|
||
|
} else
|
||
|
return z;
|
||
|
#endif
|
||
|
}
|
||
|
weak_alias (__j0f, j0f)
|
||
|
|
||
|
#ifdef __STDC__
|
||
|
float __y0f(float x) /* wrapper y0f */
|
||
|
#else
|
||
|
float __y0f(x) /* wrapper y0f */
|
||
|
float x;
|
||
|
#endif
|
||
|
{
|
||
|
#ifdef _IEEE_LIBM
|
||
|
return __ieee754_y0f(x);
|
||
|
#else
|
||
|
float z;
|
||
|
z = __ieee754_y0f(x);
|
||
|
if(_LIB_VERSION == _IEEE_ || __isnanf(x) ) return z;
|
||
|
if(x <= (float)0.0){
|
||
|
if(x==(float)0.0)
|
||
|
/* d= -one/(x-x); */
|
||
|
return (float)__kernel_standard((double)x,(double)x,108);
|
||
|
else
|
||
|
/* d = zero/(x-x); */
|
||
|
return (float)__kernel_standard((double)x,(double)x,109);
|
||
|
}
|
||
|
if(x>(float)X_TLOSS) {
|
||
|
/* y0(x>X_TLOSS) */
|
||
|
return (float)__kernel_standard((double)x,(double)x,135);
|
||
|
} else
|
||
|
return z;
|
||
|
#endif
|
||
|
}
|
||
|
weak_alias (__y0f, y0f)
|