1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/* $Id: hdrl_types.h,v 1.2 2013-10-11 13:46:00 jtaylor Exp $
*
* This file is part of the HDRL
* Copyright (C) 2013 European Southern Observatory
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* $Author: jtaylor $
* $Date: 2013-10-11 13:46:00 $
* $Revision: 1.2 $
* $Name: not supported by cvs2svn $
*/
#ifndef HDRL_TYPES_H
#define HDRL_TYPES_H
#include <float.h> /* for epsilon */
#include <stddef.h> /* for size_t */
/*-----------------------------------------------------------------------------
Generic types
-----------------------------------------------------------------------------*/
typedef void * (hdrl_alloc)(size_t);
typedef void (hdrl_free)(void *);
/* basic type for bit mask values, e.g. bad pixel classifications */
typedef unsigned int hdrl_bitmask_t;
#ifndef HDRL_SIZEOF_DATA
#define HDRL_SIZEOF_DATA 8
#endif
#ifndef HDRL_SIZEOF_ERROR
#define HDRL_SIZEOF_ERROR 8
#endif
/* makes little sense and causes problems when error propagation
* mixes the two types (mul/div) */
#if HDRL_SIZEOF_ERROR > HDRL_SIZEOF_DATA
#error HDRL_SIZEOF_ERROR must not be larger than HDRL_SIZEOF_DATA
#endif
#if HDRL_SIZEOF_DATA == 4
typedef float hdrl_data_t;
#define HDRL_TYPE_DATA CPL_TYPE_FLOAT
#define HDRL_EPS_DATA FLT_EPSILON
#else
typedef double hdrl_data_t;
#define HDRL_TYPE_DATA CPL_TYPE_DOUBLE
#define HDRL_EPS_DATA DBL_EPSILON
#endif
#if HDRL_SIZEOF_ERROR == 4
typedef float hdrl_error_t;
#define HDRL_TYPE_ERROR CPL_TYPE_FLOAT
#define HDRL_EPS_ERROR FLT_EPSILON
#else
typedef double hdrl_error_t;
#define HDRL_TYPE_ERROR CPL_TYPE_DOUBLE
#define HDRL_EPS_ERROR DBL_EPSILON
#endif
typedef struct {
hdrl_data_t data;
hdrl_error_t error;
} hdrl_value;
#endif
|
