sysdeps/generic/w_j1l.c

   1 /* w_j1l.c -- long double version of w_j1.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 of j1l,y1l
  23  */
  24
  25 #include "math.h"
  26 #include "math_private.h"
  27
  28 #ifdef __STDC__
  29         long double j1l(long double x)  /* wrapper j1l */
  30 #else
  31         long double j1l(x)                      /* wrapper j1l */
  32         long double x;
  33 #endif
  34 {
  35 #ifdef _IEEE_LIBM
  36         return __ieee754_j1l(x);
  37 #else
  38         long double z;
  39         z = __ieee754_j1l(x);
  40         if(_LIB_VERSION == _IEEE_ || __isnanl(x) ) return z;
  41         if(fabsl(x)>X_TLOSS) {
  42                 return __kernel_standard(x,x,236); /* j1(|x|>X_TLOSS) */
  43         } else
  44             return z;
  45 #endif
  46 }
  47
  48 #ifdef __STDC__
  49         long double y1l(long double x)  /* wrapper y1l */
  50 #else
  51         long double y1l(x)                      /* wrapper y1l */
  52         long double x;
  53 #endif
  54 {
  55 #ifdef _IEEE_LIBM
  56         return __ieee754_y1l(x);
  57 #else
  58         long double z;
  59         z = __ieee754_y1l(x);
  60         if(_LIB_VERSION == _IEEE_ || __isnanl(x) ) return z;
  61         if(x <= 0.0){
  62                 if(x==0.0)
  63                     /* d= -one/(x-x); */
  64                     return __kernel_standard(x,x,210);
  65                 else
  66                     /* d = zero/(x-x); */
  67                     return __kernel_standard(x,x,211);
  68         }
  69         if(x>X_TLOSS) {
  70                 return __kernel_standard(x,x,237); /* y1(x>X_TLOSS) */
  71         } else
  72             return z;
  73 #endif
  74 }