OpenJPH Open-source implementation of JPEG2000 Part-15

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ojph_defs.h
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1//***************************************************************************/
2// This software is released under the 2-Clause BSD license, included
3// below.
4//
5// Copyright (c) 2019, Aous Naman
6// Copyright (c) 2019, Kakadu Software Pty Ltd, Australia
7// Copyright (c) 2019, The University of New South Wales, Australia
8//
9// Redistribution and use in source and binary forms, with or without
10// modification, are permitted provided that the following conditions are
11// met:
12//
13// 1. Redistributions of source code must retain the above copyright
14// notice, this list of conditions and the following disclaimer.
15//
16// 2. Redistributions in binary form must reproduce the above copyright
17// notice, this list of conditions and the following disclaimer in the
18// documentation and/or other materials provided with the distribution.
19//
20// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
21// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
23// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
26// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31//***************************************************************************/
32// This file is part of the OpenJPH software implementation.
33// File: ojph_defs.h
34// Author: Aous Naman
35// Date: 28 August 2019
36//***************************************************************************/
37
38
39#ifndef OJPH_TYPES_H
40#define OJPH_TYPES_H
41
42#include <cstdint>
43#include "ojph_version.h"
44
45 namespace ojph {
46
48// types
50 typedef uint8_t ui8;
51 typedef int8_t si8;
52 typedef uint16_t ui16;
53 typedef int16_t si16;
54 typedef uint32_t ui32;
55 typedef int32_t si32;
56 typedef uint64_t ui64;
57 typedef int64_t si64;
58
60#define OJPH_INT_STRINGIFY(I) #I
61#define OJPH_INT_TO_STRING(I) OJPH_INT_STRINGIFY(I)
62
64// number of fractional bits for 16 bit representation
65// for 32 bits, it is NUM_FRAC_BITS + 16
66// All numbers are in the range of [-0.5, 0.5)
67 const int NUM_FRAC_BITS = 13;
68
70#define ojph_div_ceil(a, b) (((a) + (b) - 1) / (b))
71
73#define ojph_max(a, b) (((a) > (b)) ? (a) : (b))
74
76#define ojph_min(a, b) (((a) < (b)) ? (a) : (b))
77
78#define ojph_unused(x) (void)(x)
79
80
81}
82
83#endif // !OJPH_TYPES_H
ojph
Definition ojph_img_io.h:52
ojph::NUM_FRAC_BITS
const int NUM_FRAC_BITS
Definition ojph_defs.h:67
ojph::si64
int64_t si64
Definition ojph_defs.h:57
ojph::si8
int8_t si8
Definition ojph_defs.h:51
ojph::ui64
uint64_t ui64
Definition ojph_defs.h:56
ojph::ui16
uint16_t ui16
Definition ojph_defs.h:52
ojph::si32
int32_t si32
Definition ojph_defs.h:55
ojph::si16
int16_t si16
Definition ojph_defs.h:53
ojph::ui32
uint32_t ui32
Definition ojph_defs.h:54
ojph::ui8
uint8_t ui8
Definition ojph_defs.h:50
ojph_version.h