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/* @(#)w_j1.c 1.3 95/01/18 */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunSoft, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
/*
* wrapper of j1,y1
*/
#include "fdlibm.h"
#ifdef __STDC__
double ieee_j1(double x) /* wrapper j1 */
#else
double ieee_j1(x) /* wrapper j1 */
double x;
#endif
{
#ifdef _IEEE_LIBM
return __ieee754_j1(x);
#else
double z;
z = __ieee754_j1(x);
if(_LIB_VERSION == _IEEE_ || ieee_isnan(x) ) return z;
if(ieee_fabs(x)>X_TLOSS) {
return __kernel_standard(x,x,36); /* ieee_j1(|x|>X_TLOSS) */
} else
return z;
#endif
}
#ifdef __STDC__
double ieee_y1(double x) /* wrapper y1 */
#else
double ieee_y1(x) /* wrapper y1 */
double x;
#endif
{
#ifdef _IEEE_LIBM
return __ieee754_y1(x);
#else
double z;
z = __ieee754_y1(x);
if(_LIB_VERSION == _IEEE_ || ieee_isnan(x) ) return z;
if(x <= 0.0){
if(x==0.0)
/* d= -one/(x-x); */
return __kernel_standard(x,x,10);
else
/* d = zero/(x-x); */
return __kernel_standard(x,x,11);
}
if(x>X_TLOSS) {
return __kernel_standard(x,x,37); /* ieee_y1(x>X_TLOSS) */
} else
return z;
#endif
}
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