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/* w_ynf.c -- float version of w_yn.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.
* ====================================================
*/
#ifndef lint
static char rcsid[] = "$FreeBSD$";
#endif
#include "math.h"
#include "math_private.h"
#ifdef __STDC__
float ynf(int n, float x) /* wrapper ynf */
#else
float ynf(n,x) /* wrapper ynf */
float x; int n;
#endif
{
#ifdef _IEEE_LIBM
return __ieee754_ynf(n,x);
#else
float z;
z = __ieee754_ynf(n,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)n,(double)x,112);
else
/* d = zero/(x-x); */
return (float)__kernel_standard((double)n,(double)x,113);
}
if(x>(float)X_TLOSS) {
/* yn(x>X_TLOSS,n) */
return (float)__kernel_standard((double)n,(double)x,139);
} else
return z;
#endif
}
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