src/util/softfloat.h

   1 /*
   2  * License for Berkeley SoftFloat Release 3e
   3  *
   4  * John R. Hauser
   5  * 2018 January 20
   6  *
   7  * The following applies to the whole of SoftFloat Release 3e as well as to
   8  * each source file individually.
   9  *
  10  * Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 The Regents of the
  11  * University of California.  All rights reserved.
  12  *
  13  * Redistribution and use in source and binary forms, with or without
  14  * modification, are permitted provided that the following conditions are met:
  15  *
  16  *  1. Redistributions of source code must retain the above copyright notice,
  17  *     this list of conditions, and the following disclaimer.
  18  *
  19  *  2. Redistributions in binary form must reproduce the above copyright
  20  *     notice, this list of conditions, and the following disclaimer in the
  21  *     documentation and/or other materials provided with the distribution.
  22  *
  23  *  3. Neither the name of the University nor the names of its contributors
  24  *     may be used to endorse or promote products derived from this software
  25  *     without specific prior written permission.
  26  *
  27  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
  28  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  29  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
  30  * DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
  31  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  32  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  33  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  34  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  35  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  36  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37  *
  38  *
  39  * The functions listed in this file are modified versions of the ones
  40  * from the Berkeley SoftFloat 3e Library.
  41  */
  42
  43 #ifndef _SOFTFLOAT_H_
  44 #define _SOFTFLOAT_H_
  45
  46 #include <stdbool.h>
  47 #include <stdint.h>
  48
  49 #ifdef __cplusplus
  50 extern "C" {
  51 #endif
  52
  53 double _mesa_double_add_rtz(double a, double b);
  54 double _mesa_double_sub_rtz(double a, double b);
  55 double _mesa_double_mul_rtz(double a, double b);
  56 double _mesa_double_fma_rtz(double a, double b, double c);
  57 float _mesa_float_fma_rtz(float a, float b, float c);
  58 float _mesa_double_to_f32(double x, bool rtz);
  59 uint16_t _mesa_float_to_half_rtz(float x);
  60
  61 #ifdef __cplusplus
  62 } /* extern C */
  63 #endif
  64
  65 #endif  /* _SOFTFLOAT_H */