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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 gtc_epsilon
  24. /// @file glm/gtc/epsilon.hpp
  25. /// @date 2012-04-07 / 2012-04-07
  26. /// @author Christophe Riccio
  27. ///
  28. /// @see core (dependence)
  29. /// @see gtc_half_float (dependence)
  30. /// @see gtc_quaternion (dependence)
  31. ///
  32. /// @defgroup gtc_epsilon GLM_GTC_epsilon
  33. /// @ingroup gtc
  34. ///
  35. /// @brief Comparison functions for a user defined epsilon values.
  36. ///
  37. /// <glm/gtc/epsilon.hpp> need to be included to use these functionalities.
  38. ///////////////////////////////////////////////////////////////////////////////////
  39. #ifndef GLM_GTC_epsilon
  40. #define GLM_GTC_epsilon GLM_VERSION
  41. // Dependency:
  42. #include "../glm.hpp"
  43. #include "../gtc/half_float.hpp"
  44. #include "../gtc/quaternion.hpp"
  45. #if(defined(GLM_MESSAGES) && !defined(glm_ext))
  46. # pragma message("GLM: GLM_GTC_epsilon extension included")
  47. #endif
  48. namespace glm
  49. {
  50. /// @addtogroup gtc_epsilon
  51. /// @{
  52. /// Returns the component-wise compare of |x - y| < epsilon.
  53. /// @see gtc_epsilon
  54. template <typename genType>
  55. typename genType::boolType epsilonEqual(
  56. genType const & x,
  57. genType const & y,
  58. typename genType::value_type const & epsilon);
  59. /// Returns the component-wise compare of |x - y| < epsilon.
  60. /// @see gtc_epsilon
  61. template <typename genType>
  62. typename genType::boolType epsilonEqual(
  63. genType const & x,
  64. genType const & y,
  65. genType const & epsilon);
  66. /// Returns the component-wise compare of |x - y| < epsilon.
  67. /// @see gtc_epsilon
  68. template <typename genType>
  69. typename genType::boolType epsilonNotEqual(
  70. genType const & x,
  71. genType const & y,
  72. typename genType::value_type const & epsilon);
  73. /// Returns the component-wise compare of |x - y| >= epsilon.
  74. /// @see gtc_epsilon
  75. template <typename genType>
  76. typename genType::boolType epsilonNotEqual(
  77. genType const & x,
  78. genType const & y,
  79. genType const & epsilon);
  80. /// @}
  81. }//namespace glm
  82. #include "epsilon.inl"
  83. #endif//GLM_GTC_epsilon