sysdeps/generic/w_j0l.c

   1 /* w_j0l.c -- long double version of w_j0.c.
   2  * Conversion to long double by Ulrich Drepper,
   3  * Cygnus Support, drepper@cygnus.com.
   4  */
   5
   6 /*
   7  * ====================================================
   8  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
   9  *
  10  * Developed at SunPro, a Sun Microsystems, Inc. business.
  11  * Permission to use, copy, modify, and distribute this
  12  * software is freely granted, provided that this notice
  13  * is preserved.
  14  * ====================================================
  15  */
  16
  17 #if defined(LIBM_SCCS) && !defined(lint)
  18 static char rcsid[] = "$NetBSD: $";
  19 #endif
  20
  21 /*
  22  * wrapper j0l(long double x), y0l(long double x)
  23  */
  24
  25 #include "math.h"
  26 #include "math_private.h"
  27
  28 #ifdef __STDC__
  29         long double j0l(long double x)          /* wrapper j0l */
  30 #else
  31         long double j0l(x)                              /* wrapper j0 */
  32         long double x;
  33 #endif
  34 {
  35 #ifdef _IEEE_LIBM
  36         return __ieee754_j0l(x);
  37 #else
  38         long double z = __ieee754_j0l(x);
  39         if(_LIB_VERSION == _IEEE_ || __isnanl(x)) return z;
  40         if(fabsl(x)>X_TLOSS) {
  41                 return __kernel_standard(x,x,234); /* j0(|x|>X_TLOSS) */
  42         } else
  43             return z;
  44 #endif
  45 }
  46
  47 #ifdef __STDC__
  48         long double y0l(long double x)          /* wrapper y0l */
  49 #else
  50         long double y0l(x)                              /* wrapper y0 */
  51         long double x;
  52 #endif
  53 {
  54 #ifdef _IEEE_LIBM
  55         return __ieee754_y0l(x);
  56 #else
  57         long double z;
  58         z = __ieee754_y0l(x);
  59         if(_LIB_VERSION == _IEEE_ || __isnanl(x) ) return z;
  60         if(x <= 0.0){
  61                 if(x==0.0)
  62                     /* d= -one/(x-x); */
  63                     return __kernel_standard(x,x,208);
  64                 else
  65                     /* d = zero/(x-x); */
  66                     return __kernel_standard(x,x,209);
  67         }
  68         if(x>X_TLOSS) {
  69                 return __kernel_standard(x,x,235); /* y0(x>X_TLOSS) */
  70         } else
  71             return z;
  72 #endif
  73 }