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  1. /*
  2.  * Copyright (C) 2005 Josef Cejka
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. #include<softfloat.h>
  30. #include<sftypes.h>
  31. #include<arithmetic.h>
  32. #include<conversion.h>
  33. #include<comparison.h>
  34. #include<other.h>
  35.  
  36. /* Arithmetic functions */
  37.  
  38. float __addsf3(float a, float b)
  39. {
  40.     float32 fa, fb;
  41.     fa.f=a;
  42.     fb.f=b;
  43.     if (fa.parts.sign!=fb.parts.sign) {
  44.         if (fa.parts.sign) {
  45.             fa.parts.sign=0;
  46.             return subFloat32(fb,fa).f;
  47.         };
  48.         fb.parts.sign=0;
  49.         return subFloat32(fa,fb).f;
  50.     }
  51.     return addFloat32(fa,fb).f;
  52. };
  53.  
  54. float __subsf3(float a, float b)
  55. {
  56.     float32 fa, fb;
  57.     fa.f=a;
  58.     fb.f=b;
  59.     if (fa.parts.sign!=fb.parts.sign) {
  60.         fb.parts.sign!=fb.parts.sign;
  61.         return addFloat32(fa,fb).f;
  62.     }
  63.     return subFloat32(fa,fb).f;
  64. };
  65.  
  66. float __negsf2(float a)
  67. {
  68.     float32 fa;
  69.     fa.f=a;
  70.     fa.parts.sign=!fa.parts.sign;
  71.     return fa.f;
  72. };
  73.  
  74. double __negdf2(double a)
  75. {
  76.     float64 fa;
  77.     fa.d=a;
  78.     fa.parts.sign=!fa.parts.sign;
  79.     return fa.d;
  80. };
  81.  
  82. /* Conversion functions */
  83.  
  84. /* Comparison functions */
  85.  
  86. /* Other functions */
  87.  
  88.