compiler/mlib/w_j0f.c

   1 /* w_j0f.c -- float version of w_j0.c.
   2  * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
   3  */
   4
   5 /*
   6  * ====================================================
   7  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
   8  *
   9  * Developed at SunPro, a Sun Microsystems, Inc. business.
  10  * Permission to use, copy, modify, and distribute this
  11  * software is freely granted, provided that this notice
  12  * is preserved.
  13  * ====================================================
  14  */
  15
  16 #ifndef lint
  17 static char rcsid[] = "$FreeBSD: src/lib/msun/src/w_j0f.c,v 1.6 1999/08/28 00:07:03 peter Exp $";
  18 #endif
  19
  20 /*
  21  * wrapper j0f(float x)
  22  */
  23
  24 #include "math.h"
  25 #include "math_private.h"
  26
  27 float
  28 j0f(float x)            /* wrapper j0f */
  29 {
  30 #ifdef _IEEE_LIBM
  31         return __ieee754_j0f(x);
  32 #else
  33         float z = __ieee754_j0f(x);
  34         if(_LIB_VERSION == _IEEE_ || isnanf(x)) return z;
  35         if(fabsf(x)>(float)X_TLOSS) {
  36                 /* j0f(|x|>X_TLOSS) */
  37                 return (float)__kernel_standard((double)x,(double)x,134);
  38         } else
  39             return z;
  40 #endif
  41 }