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/* wf_j0.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.
* ====================================================
*/
/*
* wrapper j0f(float x), y0f(float x)
*/
#include "fdlibm.h"
#include <errno.h>
#if !defined(_IEEE_LIBM) || !defined(HAVE_ALIAS_ATTRIBUTE)
#ifdef __STDC__
float j0f(float x) /* wrapper j0f */
#else
float j0f(x) /* wrapper j0f */
float x;
#endif
{
float z = __ieee754_j0f(x);
if(_LIB_VERSION == _IEEE_ || isnan(x)) return z;
if(fabsf(x)>(float)X_TLOSS) {
/* j0f(|x|>X_TLOSS) */
errno = ERANGE;
}
return z;
}
#endif
#if !defined(_IEEE_LIBM) || !defined(HAVE_ALIAS_ATTRIBUTE)
#ifdef __STDC__
float y0f(float x) /* wrapper y0f */
#else
float y0f(x) /* wrapper y0f */
float x;
#endif
{
float z;
z = __ieee754_y0f(x);
if(_LIB_VERSION == _IEEE_ || isnan(x) ) return z;
if(x < 0.0f){
/* y0f(x<0) = NaN */
errno = EDOM;
}
if (x == 0.0f){
/* y0f(n,0) = -inf */
errno = ERANGE;
}
if(x>(float)X_TLOSS) {
/* y0f(x>X_TLOSS) */
errno = ERANGE;
}
return z;
}
#endif
#ifdef _DOUBLE_IS_32BITS
#ifdef __STDC__
double j0(double x)
#else
double j0(x)
double x;
#endif
{
return (double) j0f((float) x);
}
#ifdef __STDC__
double y0(double x)
#else
double y0(x)
double x;
#endif
{
return (double) y0f((float) x);
}
#endif /* defined(_DOUBLE_IS_32BITS) */
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