1///////////////////////////////////////////////////////////////////////////////////
2/// OpenGL Mathematics (glm.g-truc.net)
3///
4/// Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net)
5/// Permission is hereby granted, free of charge, to any person obtaining a copy
6/// of this software and associated documentation files (the "Software"), to deal
7/// in the Software without restriction, including without limitation the rights
8/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9/// copies of the Software, and to permit persons to whom the Software is
10/// furnished to do so, subject to the following conditions:
11///
12/// The above copyright notice and this permission notice shall be included in
13/// all copies or substantial portions of the Software.
14///
15/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21/// THE SOFTWARE.
22///
23/// @ref core
24/// @file glm/core/type_float.hpp
25/// @date 2008-08-22 / 2011-06-15
26/// @author Christophe Riccio
27///////////////////////////////////////////////////////////////////////////////////
28
29#ifndef glm_core_type_float
30#define glm_core_type_float
31
32#include "setup.hpp"
33
34namespace glm{
35namespace detail
36{
37	typedef float				float32;
38	typedef double				float64;
39}//namespace detail
40
41	typedef float				lowp_float_t;
42	typedef float				mediump_float_t;
43	typedef double				highp_float_t;
44
45	/// @addtogroup core_precision
46	/// @{
47
48	/// Low precision floating-point numbers.
49	/// There is no guarantee on the actual precision.
50	///
51	/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.1.4 Floats</a>
52	/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.7.2 Precision Qualifier</a>
53	typedef lowp_float_t		lowp_float;
54
55	/// Medium precision floating-point numbers.
56	/// There is no guarantee on the actual precision.
57	///
58	/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.1.4 Floats</a>
59	/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.7.2 Precision Qualifier</a>
60	typedef mediump_float_t		mediump_float;
61
62	/// High precision floating-point numbers.
63	/// There is no guarantee on the actual precision.
64	///
65	/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.1.4 Floats</a>
66	/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.7.2 Precision Qualifier</a>
67	typedef highp_float_t		highp_float;
68
69#if(!defined(GLM_PRECISION_HIGHP_FLOAT) && !defined(GLM_PRECISION_MEDIUMP_FLOAT) && !defined(GLM_PRECISION_LOWP_FLOAT))
70	typedef mediump_float		float_t;
71#elif(defined(GLM_PRECISION_HIGHP_FLOAT) && !defined(GLM_PRECISION_MEDIUMP_FLOAT) && !defined(GLM_PRECISION_LOWP_FLOAT))
72	typedef highp_float			float_t;
73#elif(!defined(GLM_PRECISION_HIGHP_FLOAT) && defined(GLM_PRECISION_MEDIUMP_FLOAT) && !defined(GLM_PRECISION_LOWP_FLOAT))
74	typedef mediump_float		float_t;
75#elif(!defined(GLM_PRECISION_HIGHP_FLOAT) && !defined(GLM_PRECISION_MEDIUMP_FLOAT) && defined(GLM_PRECISION_LOWP_FLOAT))
76	typedef lowp_float			float_t;
77#else
78#	error "GLM error: multiple default precision requested for floating-point types"
79#endif
80
81	typedef float				float32;
82	typedef double				float64;
83
84////////////////////
85// check type sizes
86#ifndef GLM_STATIC_ASSERT_NULL
87	GLM_STATIC_ASSERT(sizeof(glm::float32) == 4, "float32 size isn't 4 bytes on this platform");
88	GLM_STATIC_ASSERT(sizeof(glm::float64) == 8, "float64 size isn't 8 bytes on this platform");
89#endif//GLM_STATIC_ASSERT_NULL
90
91	/// @}
92
93}//namespace glm
94
95#endif//glm_core_type_float
96