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  1. ///////////////////////////////////////////////////////////////////////////////////
  2. /// OpenGL Mathematics (glm.g-truc.net)
  3. ///
  4. /// Copyright (c) 2005 - 2013 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 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. #ifndef GLM_GTX_vector_query
  38. #define GLM_GTX_vector_query GLM_VERSION
  39. // Dependency:
  40. #include "../glm.hpp"
  41. #include <cfloat>
  42. #include <limits>
  43. #if(defined(GLM_MESSAGES) && !defined(glm_ext))
  44. # pragma message("GLM: GLM_GTX_vector_query extension included")
  45. #endif
  46. namespace glm
  47. {
  48. /// @addtogroup gtx_vector_query
  49. /// @{
  50. //! Check whether two vectors are collinears.
  51. //! From GLM_GTX_vector_query extensions.
  52. template <typename genType>
  53. bool areCollinear(
  54. genType const & v0,
  55. genType const & v1,
  56. typename genType::value_type const & epsilon/* = std::numeric_limits<typename genType::value_type>::epsilon()*/);
  57. //! Check whether two vectors are orthogonals.
  58. //! From GLM_GTX_vector_query extensions.
  59. template <typename genType>
  60. bool areOrthogonal(
  61. genType const & v0,
  62. genType const & v1,
  63. typename genType::value_type const & epsilon/* = std::numeric_limits<typename genType::value_type>::epsilon()*/);
  64. //! Check whether a vector is normalized.
  65. //! From GLM_GTX_vector_query extensions.
  66. template <typename genType, template <typename> class vecType>
  67. bool isNormalized(
  68. vecType<genType> const & v,
  69. genType const & epsilon/* = std::numeric_limits<genType>::epsilon()*/);
  70. //! Check whether a vector is null.
  71. //! From GLM_GTX_vector_query extensions.
  72. template <typename valType>
  73. bool isNull(
  74. detail::tvec2<valType> const & v,
  75. valType const & epsilon/* = std::numeric_limits<typename genType::value_type>::epsilon()*/);
  76. //! Check whether a vector is null.
  77. //! From GLM_GTX_vector_query extensions.
  78. template <typename valType>
  79. bool isNull(
  80. detail::tvec3<valType> const & v,
  81. valType const & epsilon/* = std::numeric_limits<typename genType::value_type>::epsilon()*/);
  82. //! Check whether a vector is null.
  83. //! From GLM_GTX_vector_query extensions.
  84. template <typename valType>
  85. bool isNull(
  86. detail::tvec4<valType> const & v,
  87. valType const & epsilon/* = std::numeric_limits<typename genType::value_type>::epsilon()*/);
  88. //! Check whether two vectors are orthonormal.
  89. //! From GLM_GTX_vector_query extensions.
  90. template <typename genType>
  91. bool areOrthonormal(
  92. genType const & v0,
  93. genType const & v1,
  94. typename genType::value_type const & epsilon/* = std::numeric_limits<typename genType::value_type>::epsilon()*/);
  95. /// @}
  96. }// namespace glm
  97. #include "vector_query.inl"
  98. #endif//GLM_GTX_vector_query