glibc/math/w_j0l.c

74 lines
1.7 KiB
C

/* w_j0l.c -- long double version of w_j0.c.
* Conversion to long double by Ulrich Drepper,
* Cygnus Support, drepper@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: $";
#endif
/*
* wrapper j0l(long double x), y0l(long double x)
*/
#include "math.h"
#include "math_private.h"
#ifdef __STDC__
long double j0l(long double x) /* wrapper j0l */
#else
long double j0l(x) /* wrapper j0 */
long double x;
#endif
{
#ifdef _IEEE_LIBM
return __ieee754_j0l(x);
#else
long double z = __ieee754_j0l(x);
if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z;
if(fabsl(x)>X_TLOSS) {
return __kernel_standard(x,x,234); /* j0(|x|>X_TLOSS) */
} else
return z;
#endif
}
#ifdef __STDC__
long double y0l(long double x) /* wrapper y0l */
#else
long double y0l(x) /* wrapper y0 */
long double x;
#endif
{
#ifdef _IEEE_LIBM
return __ieee754_y0l(x);
#else
long double z;
z = __ieee754_y0l(x);
if(_LIB_VERSION == _IEEE_ || __isnanl(x) ) return z;
if(x <= 0.0){
if(x==0.0)
/* d= -one/(x-x); */
return __kernel_standard(x,x,208);
else
/* d = zero/(x-x); */
return __kernel_standard(x,x,209);
}
if(x>X_TLOSS) {
return __kernel_standard(x,x,235); /* y0(x>X_TLOSS) */
} else
return z;
#endif
}