xref: /third_party/mesa3d/src/util/softfloat.h (revision bf215546)
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
50extern "C" {
51#endif
52
53double _mesa_double_add_rtz(double a, double b);
54double _mesa_double_sub_rtz(double a, double b);
55double _mesa_double_mul_rtz(double a, double b);
56double _mesa_double_fma_rtz(double a, double b, double c);
57float _mesa_float_fma_rtz(float a, float b, float c);
58float _mesa_double_to_f32(double x, bool rtz);
59uint16_t _mesa_float_to_half_rtz_slow(float x);
60
61#ifdef __cplusplus
62} /* extern C */
63#endif
64
65#endif  /* _SOFTFLOAT_H */
66