kc3-lang/SDL/src/libm/s_copysign.c

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• Hash : 6cf06575
  Author :
  Date : 2017-11-04T15:53:19
  

  Updated math code from the uClibc 0.9.33 release

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• src/libm/s_copysign.c

• /*
   * ====================================================
   * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
   *
   * Developed at SunPro, a Sun Microsystems, Inc. business.
   * Permission to use, copy, modify, and distribute this
   * software is freely granted, provided that this notice
   * is preserved.
   * ====================================================
   */
  
  /*
   * copysign(double x, double y)
   * copysign(x,y) returns a value with the magnitude of x and
   * with the sign bit of y.
   */
  
  #include "math_libm.h"
  #include "math_private.h"
  
  double copysign(double x, double y)
  {
  	u_int32_t hx,hy;
  	GET_HIGH_WORD(hx,x);
  	GET_HIGH_WORD(hy,y);
  	SET_HIGH_WORD(x,(hx&0x7fffffff)|(hy&0x80000000));
          return x;
  }
  libm_hidden_def(copysign)
  

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