vector_common.inl 5.9 KB

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  1. #include "../detail/_vectorize.hpp"
  2. namespace glm
  3. {
  4. template<length_t L, typename T, qualifier Q>
  5. GLM_FUNC_QUALIFIER GLM_CONSTEXPR vec<L, T, Q> min(vec<L, T, Q> const& x, vec<L, T, Q> const& y, vec<L, T, Q> const& z)
  6. {
  7. GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559 || std::numeric_limits<T>::is_integer, "'min' only accept floating-point or integer inputs");
  8. return glm::min(glm::min(x, y), z);
  9. }
  10. template<length_t L, typename T, qualifier Q>
  11. GLM_FUNC_QUALIFIER GLM_CONSTEXPR vec<L, T, Q> min(vec<L, T, Q> const& x, vec<L, T, Q> const& y, vec<L, T, Q> const& z, vec<L, T, Q> const& w)
  12. {
  13. GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559 || std::numeric_limits<T>::is_integer, "'min' only accept floating-point or integer inputs");
  14. return glm::min(glm::min(x, y), glm::min(z, w));
  15. }
  16. template<length_t L, typename T, qualifier Q>
  17. GLM_FUNC_QUALIFIER GLM_CONSTEXPR vec<L, T, Q> max(vec<L, T, Q> const& x, vec<L, T, Q> const& y, vec<L, T, Q> const& z)
  18. {
  19. GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559 || std::numeric_limits<T>::is_integer, "'max' only accept floating-point or integer inputs");
  20. return glm::max(glm::max(x, y), z);
  21. }
  22. template<length_t L, typename T, qualifier Q>
  23. GLM_FUNC_QUALIFIER GLM_CONSTEXPR vec<L, T, Q> max(vec<L, T, Q> const& x, vec<L, T, Q> const& y, vec<L, T, Q> const& z, vec<L, T, Q> const& w)
  24. {
  25. GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559 || std::numeric_limits<T>::is_integer, "'max' only accept floating-point or integer inputs");
  26. return glm::max(glm::max(x, y), glm::max(z, w));
  27. }
  28. template<length_t L, typename T, qualifier Q>
  29. GLM_FUNC_QUALIFIER vec<L, T, Q> fmin(vec<L, T, Q> const& a, T b)
  30. {
  31. GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'fmin' only accept floating-point inputs");
  32. return detail::functor2<vec, L, T, Q>::call(fmin, a, vec<L, T, Q>(b));
  33. }
  34. template<length_t L, typename T, qualifier Q>
  35. GLM_FUNC_QUALIFIER vec<L, T, Q> fmin(vec<L, T, Q> const& a, vec<L, T, Q> const& b)
  36. {
  37. GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'fmin' only accept floating-point inputs");
  38. return detail::functor2<vec, L, T, Q>::call(fmin, a, b);
  39. }
  40. template<length_t L, typename T, qualifier Q>
  41. GLM_FUNC_QUALIFIER vec<L, T, Q> fmin(vec<L, T, Q> const& a, vec<L, T, Q> const& b, vec<L, T, Q> const& c)
  42. {
  43. GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'fmin' only accept floating-point inputs");
  44. return fmin(fmin(a, b), c);
  45. }
  46. template<length_t L, typename T, qualifier Q>
  47. GLM_FUNC_QUALIFIER vec<L, T, Q> fmin(vec<L, T, Q> const& a, vec<L, T, Q> const& b, vec<L, T, Q> const& c, vec<L, T, Q> const& d)
  48. {
  49. GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'fmin' only accept floating-point inputs");
  50. return fmin(fmin(a, b), fmin(c, d));
  51. }
  52. template<length_t L, typename T, qualifier Q>
  53. GLM_FUNC_QUALIFIER vec<L, T, Q> fmax(vec<L, T, Q> const& a, T b)
  54. {
  55. GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'fmax' only accept floating-point inputs");
  56. return detail::functor2<vec, L, T, Q>::call(fmax, a, vec<L, T, Q>(b));
  57. }
  58. template<length_t L, typename T, qualifier Q>
  59. GLM_FUNC_QUALIFIER vec<L, T, Q> fmax(vec<L, T, Q> const& a, vec<L, T, Q> const& b)
  60. {
  61. GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'fmax' only accept floating-point inputs");
  62. return detail::functor2<vec, L, T, Q>::call(fmax, a, b);
  63. }
  64. template<length_t L, typename T, qualifier Q>
  65. GLM_FUNC_QUALIFIER vec<L, T, Q> fmax(vec<L, T, Q> const& a, vec<L, T, Q> const& b, vec<L, T, Q> const& c)
  66. {
  67. GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'fmax' only accept floating-point inputs");
  68. return fmax(fmax(a, b), c);
  69. }
  70. template<length_t L, typename T, qualifier Q>
  71. GLM_FUNC_QUALIFIER vec<L, T, Q> fmax(vec<L, T, Q> const& a, vec<L, T, Q> const& b, vec<L, T, Q> const& c, vec<L, T, Q> const& d)
  72. {
  73. GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'fmax' only accept floating-point inputs");
  74. return fmax(fmax(a, b), fmax(c, d));
  75. }
  76. template<length_t L, typename T, qualifier Q>
  77. GLM_FUNC_QUALIFIER vec<L, T, Q> fclamp(vec<L, T, Q> const& x, T minVal, T maxVal)
  78. {
  79. return fmin(fmax(x, vec<L, T, Q>(minVal)), vec<L, T, Q>(maxVal));
  80. }
  81. template<length_t L, typename T, qualifier Q>
  82. GLM_FUNC_QUALIFIER vec<L, T, Q> fclamp(vec<L, T, Q> const& x, vec<L, T, Q> const& minVal, vec<L, T, Q> const& maxVal)
  83. {
  84. return fmin(fmax(x, minVal), maxVal);
  85. }
  86. template<length_t L, typename T, qualifier Q>
  87. GLM_FUNC_QUALIFIER vec<L, T, Q> clamp(vec<L, T, Q> const& Texcoord)
  88. {
  89. return glm::clamp(Texcoord, vec<L, T, Q>(0), vec<L, T, Q>(1));
  90. }
  91. template<length_t L, typename T, qualifier Q>
  92. GLM_FUNC_QUALIFIER vec<L, T, Q> repeat(vec<L, T, Q> const& Texcoord)
  93. {
  94. return glm::fract(Texcoord);
  95. }
  96. template<length_t L, typename T, qualifier Q>
  97. GLM_FUNC_QUALIFIER vec<L, T, Q> mirrorClamp(vec<L, T, Q> const& Texcoord)
  98. {
  99. return glm::fract(glm::abs(Texcoord));
  100. }
  101. template<length_t L, typename T, qualifier Q>
  102. GLM_FUNC_QUALIFIER vec<L, T, Q> mirrorRepeat(vec<L, T, Q> const& Texcoord)
  103. {
  104. vec<L, T, Q> const Abs = glm::abs(Texcoord);
  105. vec<L, T, Q> const Clamp = glm::mod(glm::floor(Abs), vec<L, T, Q>(2));
  106. vec<L, T, Q> const Floor = glm::floor(Abs);
  107. vec<L, T, Q> const Rest = Abs - Floor;
  108. vec<L, T, Q> const Mirror = Clamp + Rest;
  109. return mix(Rest, vec<L, T, Q>(1) - Rest, glm::greaterThanEqual(Mirror, vec<L, T, Q>(1)));
  110. }
  111. template<length_t L, typename T, qualifier Q>
  112. GLM_FUNC_QUALIFIER vec<L, int, Q> iround(vec<L, T, Q> const& x)
  113. {
  114. GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'iround' only accept floating-point inputs");
  115. assert(all(lessThanEqual(vec<L, T, Q>(0), x)));
  116. return vec<L, int, Q>(x + static_cast<T>(0.5));
  117. }
  118. template<length_t L, typename T, qualifier Q>
  119. GLM_FUNC_QUALIFIER vec<L, uint, Q> uround(vec<L, T, Q> const& x)
  120. {
  121. GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'uround' only accept floating-point inputs");
  122. assert(all(lessThanEqual(vec<L, T, Q>(0), x)));
  123. return vec<L, uint, Q>(x + static_cast<T>(0.5));
  124. }
  125. }//namespace glm