1///////////////////////////////////////////////////////////////////////////////////
2/// OpenGL Mathematics (glm.g-truc.net)
3///
4/// Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net)
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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///
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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
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21/// THE SOFTWARE.
22///
23/// @ref gtx_vector_query
24/// @file glm/gtx/vector_query.hpp
25/// @date 2008-03-10 / 2011-06-07
26/// @author Christophe Riccio
27///
28/// @see core (dependence)
29///
30/// @defgroup gtx_vector_query GLM_GTX_vector_query
31/// @ingroup gtx
32///
33/// @brief Query informations of vector types
34///
35/// <glm/gtx/vector_query.hpp> need to be included to use these functionalities.
36///////////////////////////////////////////////////////////////////////////////////
37
38#ifndef GLM_GTX_vector_query
39#define GLM_GTX_vector_query
40
41// Dependency:
42#include "../glm.hpp"
43#include <cfloat>
44#include <limits>
45
46#if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED))
47#	pragma message("GLM: GLM_GTX_vector_query extension included")
48#endif
49
50namespace glm
51{
52	/// @addtogroup gtx_vector_query
53	/// @{
54
55	//! Check whether two vectors are collinears.
56	/// @see gtx_vector_query extensions.
57	template <typename T, precision P, template <typename, precision> class vecType>
58	GLM_FUNC_DECL bool areCollinear(vecType<T, P> const & v0, vecType<T, P> const & v1, T const & epsilon);
59
60	//! Check whether two vectors are orthogonals.
61	/// @see gtx_vector_query extensions.
62	template <typename T, precision P, template <typename, precision> class vecType>
63	GLM_FUNC_DECL bool areOrthogonal(vecType<T, P> const & v0, vecType<T, P> const & v1, T const & epsilon);
64
65	//! Check whether a vector is normalized.
66	/// @see gtx_vector_query extensions.
67	template <typename T, precision P, template <typename, precision> class vecType>
68	GLM_FUNC_DECL bool isNormalized(vecType<T, P> const & v, T const & epsilon);
69
70	//! Check whether a vector is null.
71	/// @see gtx_vector_query extensions.
72	template <typename T, precision P, template <typename, precision> class vecType>
73	GLM_FUNC_DECL bool isNull(vecType<T, P> const & v, T const & epsilon);
74
75	//! Check whether a each component of a vector is null.
76	/// @see gtx_vector_query extensions.
77	template <typename T, precision P, template <typename, precision> class vecType>
78	GLM_FUNC_DECL vecType<bool, P> isCompNull(vecType<T, P> const & v, T const & epsilon);
79
80	//! Check whether two vectors are orthonormal.
81	/// @see gtx_vector_query extensions.
82	template <typename T, precision P, template <typename, precision> class vecType>
83	GLM_FUNC_DECL bool areOrthonormal(vecType<T, P> const & v0, vecType<T, P> const & v1, T const & epsilon);
84
85	/// @}
86}// namespace glm
87
88#include "vector_query.inl"
89
90#endif//GLM_GTX_vector_query
91