0,0 → 1,76 |
/* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */ |
/* w_j1f.c -- float version of w_j1.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[] = "$Id: w_j1f.c,v 1.1 1994/08/10 20:34:39 jtc Exp $"; |
#endif |
|
/* |
* wrapper of j1f,y1f |
*/ |
|
#include "math.h" |
#include "math_private.h" |
|
#ifdef __STDC__ |
float j1f(float x) /* wrapper j1f */ |
#else |
float j1f(x) /* wrapper j1f */ |
float x; |
#endif |
{ |
#ifdef _IEEE_LIBM |
return __ieee754_j1f(x); |
#else |
float z; |
z = __ieee754_j1f(x); |
if(_LIB_VERSION == _IEEE_ || isnanf(x) ) return z; |
if(fabsf(x)>(float)X_TLOSS) { |
/* j1(|x|>X_TLOSS) */ |
return (float)__kernel_standard((double)x,(double)x,136); |
} else |
return z; |
#endif |
} |
|
#ifdef __STDC__ |
float y1f(float x) /* wrapper y1f */ |
#else |
float y1f(x) /* wrapper y1f */ |
float x; |
#endif |
{ |
#ifdef _IEEE_LIBM |
return __ieee754_y1f(x); |
#else |
float z; |
z = __ieee754_y1f(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,110); |
else |
/* d = zero/(x-x); */ |
return (float)__kernel_standard((double)x,(double)x,111); |
} |
if(x>(float)X_TLOSS) { |
/* y1(x>X_TLOSS) */ |
return (float)__kernel_standard((double)x,(double)x,137); |
} else |
return z; |
#endif |
} |