source: roaraudio/include/libroar/roarfloat.h @ 5823:f9f70dbaa376

Last change on this file since 5823:f9f70dbaa376 was 5823:f9f70dbaa376, checked in by phi, 11 years ago

updated copyright

File size: 2.3 KB
Line 
1//roarfloat.h:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010-2013
5 *
6 *  This file is part of libroar a part of RoarAudio,
7 *  a cross-platform sound system for both, home and professional use.
8 *  See README for details.
9 *
10 *  This file is free software; you can redistribute it and/or modify
11 *  it under the terms of the GNU General Public License version 3
12 *  as published by the Free Software Foundation.
13 *
14 *  libroar is distributed in the hope that it will be useful,
15 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *  GNU General Public License for more details.
18 *
19 *  You should have received a copy of the GNU General Public License
20 *  along with this software; see the file COPYING.  If not, write to
21 *  the Free Software Foundation, 51 Franklin Street, Fifth Floor,
22 *  Boston, MA 02110-1301, USA.
23 *
24 *  NOTE for everyone want's to change something and send patches:
25 *  read README and HACKING! There a addition information on
26 *  the license of this document you need to read before you send
27 *  any patches.
28 *
29 *  NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc
30 *  or libpulse*:
31 *  The libs libroaresd, libroararts and libroarpulse link this lib
32 *  and are therefore GPL. Because of this it may be illigal to use
33 *  them with any software that uses libesd, libartsc or libpulse*.
34 */
35
36#ifndef _LIBROARROARFLOAT_H_
37#define _LIBROARROARFLOAT_H_
38
39#include "libroar.h"
40
41typedef uint32_t roarfloat32;
42
43#define ROAR_UFLOAT32_MAX  65535
44
45#define ROAR_UFLOAT32_ZERO ROAR_HOST2NET32(0x00000000);
46#define ROAR_UFLOAT32_PINF ROAR_HOST2NET32(0x00000001);
47#define ROAR_UFLOAT32_NINF ROAR_HOST2NET32(0x0000FFFF);
48#define ROAR_UFLOAT32_PNAN ROAR_HOST2NET32(0x00007FFF);
49#define ROAR_UFLOAT32_NNAN ROAR_HOST2NET32(0x00008000);
50
51roarfloat32 roar_ufloat32_build(const uint16_t mul, const uint16_t scale);
52uint16_t roar_ufloat32_scale(const roarfloat32 f);
53uint16_t roar_ufloat32_mul(const roarfloat32 f);
54
55roarfloat32 roar_ufloat32_from_float(const float       f);
56float       roar_ufloat32_to_float  (const roarfloat32 f);
57
58int roar_float32_iszero(const roarfloat32 f);
59int roar_float32_isinf(const roarfloat32 f);
60int roar_float32_isnan(const roarfloat32 f);
61
62#endif
63
64//ll
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