lib/libm/src/w_fmodl.c

   1 /* @(#)w_fmod.c 5.1 93/09/24 */
   2 /*
   3  * ====================================================
   4  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
   5  *
   6  * Developed at SunPro, a Sun Microsystems, Inc. business.
   7  * Permission to use, copy, modify, and distribute this
   8  * software is freely granted, provided that this notice
   9  * is preserved.
  10  * ====================================================
  11  */
  12
  13 #include <sys/cdefs.h>
  14 __RCSID("$NetBSD: w_fmodl.c,v 1.4 2013/11/21 13:41:10 martin Exp $");
  15
  16 /*
  17  * wrapper fmodl(x,y)
  18  */
  19 #include "namespace.h"
  20
  21 #include "math.h"
  22 #include "math_private.h"
  23
  24 #ifdef __HAVE_LONG_DOUBLE
  25
  26 #ifdef __weak_alias
  27 __weak_alias(fmodl, _fmodl)
  28 #endif
  29
  30 long double
  31 fmodl(long double x, long double y)     /* wrapper fmod */
  32 {
  33 #ifdef _IEEE_LIBM
  34         return __ieee754_fmodl(x,y);
  35 #else
  36         long double z;
  37         z = __ieee754_fmodl(x,y);
  38         if(_LIB_VERSION == _IEEE_ ||isnan(y)||isnan(x)) return z;
  39         if(y==0.0) {
  40                 return __kernel_standard(x,y,227); /* fmod(x,0) */
  41         } else
  42             return z;
  43 #endif
  44 }
  45
  46 #endif