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  1. /* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
  2. /* @(#)w_remainder.c 5.1 93/09/24 */
  3. /*
  4.  * ====================================================
  5.  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
  6.  *
  7.  * Developed at SunPro, a Sun Microsystems, Inc. business.
  8.  * Permission to use, copy, modify, and distribute this
  9.  * software is freely granted, provided that this notice
  10.  * is preserved.
  11.  * ====================================================
  12.  */
  13.  
  14. #if defined(LIBM_SCCS) && !defined(lint)
  15. static char rcsid[] = "$Id: w_remainder.c,v 1.4 1994/08/10 20:35:32 jtc Exp $";
  16. #endif
  17.  
  18. /*
  19.  * wrapper remainder(x,p)
  20.  */
  21.  
  22. #include "math.h"
  23. #include "math_private.h"
  24.  
  25. #ifdef __STDC__
  26.         double remainder(double x, double y)    /* wrapper remainder */
  27. #else
  28.         double remainder(x,y)                   /* wrapper remainder */
  29.         double x,y;
  30. #endif
  31. {
  32. #ifdef _IEEE_LIBM
  33.         return __ieee754_remainder(x,y);
  34. #else
  35.         double z;
  36.         z = __ieee754_remainder(x,y);
  37.         if(_LIB_VERSION == _IEEE_ || isnan(y)) return z;
  38.         if(y==0.0)
  39.             return __kernel_standard(x,y,28); /* remainder(x,0) */
  40.         else
  41.             return z;
  42. #endif
  43. }
  44.