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-rw-r--r--include/glm/detail/func_matrix.inl285
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+/// @ref core
+/// @file glm/detail/func_matrix.inl
+
+#include "../geometric.hpp"
+#include <limits>
+
+namespace glm{
+namespace detail
+{
+ template <template <class, precision> class matType, typename T, precision P>
+ struct compute_transpose{};
+
+ template <typename T, precision P>
+ struct compute_transpose<tmat2x2, T, P>
+ {
+ GLM_FUNC_QUALIFIER static tmat2x2<T, P> call(tmat2x2<T, P> const & m)
+ {
+ tmat2x2<T, P> result(uninitialize);
+ result[0][0] = m[0][0];
+ result[0][1] = m[1][0];
+ result[1][0] = m[0][1];
+ result[1][1] = m[1][1];
+ return result;
+ }
+ };
+
+ template <typename T, precision P>
+ struct compute_transpose<tmat2x3, T, P>
+ {
+ GLM_FUNC_QUALIFIER static tmat3x2<T, P> call(tmat2x3<T, P> const & m)
+ {
+ tmat3x2<T, P> result(uninitialize);
+ result[0][0] = m[0][0];
+ result[0][1] = m[1][0];
+ result[1][0] = m[0][1];
+ result[1][1] = m[1][1];
+ result[2][0] = m[0][2];
+ result[2][1] = m[1][2];
+ return result;
+ }
+ };
+
+ template <typename T, precision P>
+ struct compute_transpose<tmat2x4, T, P>
+ {
+ GLM_FUNC_QUALIFIER static tmat4x2<T, P> call(tmat2x4<T, P> const & m)
+ {
+ tmat4x2<T, P> result(uninitialize);
+ result[0][0] = m[0][0];
+ result[0][1] = m[1][0];
+ result[1][0] = m[0][1];
+ result[1][1] = m[1][1];
+ result[2][0] = m[0][2];
+ result[2][1] = m[1][2];
+ result[3][0] = m[0][3];
+ result[3][1] = m[1][3];
+ return result;
+ }
+ };
+
+ template <typename T, precision P>
+ struct compute_transpose<tmat3x2, T, P>
+ {
+ GLM_FUNC_QUALIFIER static tmat2x3<T, P> call(tmat3x2<T, P> const & m)
+ {
+ tmat2x3<T, P> result(uninitialize);
+ result[0][0] = m[0][0];
+ result[0][1] = m[1][0];
+ result[0][2] = m[2][0];
+ result[1][0] = m[0][1];
+ result[1][1] = m[1][1];
+ result[1][2] = m[2][1];
+ return result;
+ }
+ };
+
+ template <typename T, precision P>
+ struct compute_transpose<tmat3x3, T, P>
+ {
+ GLM_FUNC_QUALIFIER static tmat3x3<T, P> call(tmat3x3<T, P> const & m)
+ {
+ tmat3x3<T, P> result(uninitialize);
+ result[0][0] = m[0][0];
+ result[0][1] = m[1][0];
+ result[0][2] = m[2][0];
+
+ result[1][0] = m[0][1];
+ result[1][1] = m[1][1];
+ result[1][2] = m[2][1];
+
+ result[2][0] = m[0][2];
+ result[2][1] = m[1][2];
+ result[2][2] = m[2][2];
+ return result;
+ }
+ };
+
+ template <typename T, precision P>
+ struct compute_transpose<tmat3x4, T, P>
+ {
+ GLM_FUNC_QUALIFIER static tmat4x3<T, P> call(tmat3x4<T, P> const & m)
+ {
+ tmat4x3<T, P> result(uninitialize);
+ result[0][0] = m[0][0];
+ result[0][1] = m[1][0];
+ result[0][2] = m[2][0];
+ result[1][0] = m[0][1];
+ result[1][1] = m[1][1];
+ result[1][2] = m[2][1];
+ result[2][0] = m[0][2];
+ result[2][1] = m[1][2];
+ result[2][2] = m[2][2];
+ result[3][0] = m[0][3];
+ result[3][1] = m[1][3];
+ result[3][2] = m[2][3];
+ return result;
+ }
+ };
+
+ template <typename T, precision P>
+ struct compute_transpose<tmat4x2, T, P>
+ {
+ GLM_FUNC_QUALIFIER static tmat2x4<T, P> call(tmat4x2<T, P> const & m)
+ {
+ tmat2x4<T, P> result(uninitialize);
+ result[0][0] = m[0][0];
+ result[0][1] = m[1][0];
+ result[0][2] = m[2][0];
+ result[0][3] = m[3][0];
+ result[1][0] = m[0][1];
+ result[1][1] = m[1][1];
+ result[1][2] = m[2][1];
+ result[1][3] = m[3][1];
+ return result;
+ }
+ };
+
+ template <typename T, precision P>
+ struct compute_transpose<tmat4x3, T, P>
+ {
+ GLM_FUNC_QUALIFIER static tmat3x4<T, P> call(tmat4x3<T, P> const & m)
+ {
+ tmat3x4<T, P> result(uninitialize);
+ result[0][0] = m[0][0];
+ result[0][1] = m[1][0];
+ result[0][2] = m[2][0];
+ result[0][3] = m[3][0];
+ result[1][0] = m[0][1];
+ result[1][1] = m[1][1];
+ result[1][2] = m[2][1];
+ result[1][3] = m[3][1];
+ result[2][0] = m[0][2];
+ result[2][1] = m[1][2];
+ result[2][2] = m[2][2];
+ result[2][3] = m[3][2];
+ return result;
+ }
+ };
+
+ template <typename T, precision P>
+ struct compute_transpose<tmat4x4, T, P>
+ {
+ GLM_FUNC_QUALIFIER static tmat4x4<T, P> call(tmat4x4<T, P> const & m)
+ {
+ tmat4x4<T, P> result(uninitialize);
+ result[0][0] = m[0][0];
+ result[0][1] = m[1][0];
+ result[0][2] = m[2][0];
+ result[0][3] = m[3][0];
+
+ result[1][0] = m[0][1];
+ result[1][1] = m[1][1];
+ result[1][2] = m[2][1];
+ result[1][3] = m[3][1];
+
+ result[2][0] = m[0][2];
+ result[2][1] = m[1][2];
+ result[2][2] = m[2][2];
+ result[2][3] = m[3][2];
+
+ result[3][0] = m[0][3];
+ result[3][1] = m[1][3];
+ result[3][2] = m[2][3];
+ result[3][3] = m[3][3];
+ return result;
+ }
+ };
+
+ template <template <class, precision> class matType, typename T, precision P>
+ struct compute_determinant{};
+
+ template <typename T, precision P>
+ struct compute_determinant<tmat2x2, T, P>
+ {
+ GLM_FUNC_QUALIFIER static T call(tmat2x2<T, P> const & m)
+ {
+ return m[0][0] * m[1][1] - m[1][0] * m[0][1];
+ }
+ };
+
+ template <typename T, precision P>
+ struct compute_determinant<tmat3x3, T, P>
+ {
+ GLM_FUNC_QUALIFIER static T call(tmat3x3<T, P> const & m)
+ {
+ return
+ + m[0][0] * (m[1][1] * m[2][2] - m[2][1] * m[1][2])
+ - m[1][0] * (m[0][1] * m[2][2] - m[2][1] * m[0][2])
+ + m[2][0] * (m[0][1] * m[1][2] - m[1][1] * m[0][2]);
+ }
+ };
+
+ template <typename T, precision P>
+ struct compute_determinant<tmat4x4, T, P>
+ {
+ GLM_FUNC_QUALIFIER static T call(tmat4x4<T, P> const & m)
+ {
+ T SubFactor00 = m[2][2] * m[3][3] - m[3][2] * m[2][3];
+ T SubFactor01 = m[2][1] * m[3][3] - m[3][1] * m[2][3];
+ T SubFactor02 = m[2][1] * m[3][2] - m[3][1] * m[2][2];
+ T SubFactor03 = m[2][0] * m[3][3] - m[3][0] * m[2][3];
+ T SubFactor04 = m[2][0] * m[3][2] - m[3][0] * m[2][2];
+ T SubFactor05 = m[2][0] * m[3][1] - m[3][0] * m[2][1];
+
+ tvec4<T, P> DetCof(
+ + (m[1][1] * SubFactor00 - m[1][2] * SubFactor01 + m[1][3] * SubFactor02),
+ - (m[1][0] * SubFactor00 - m[1][2] * SubFactor03 + m[1][3] * SubFactor04),
+ + (m[1][0] * SubFactor01 - m[1][1] * SubFactor03 + m[1][3] * SubFactor05),
+ - (m[1][0] * SubFactor02 - m[1][1] * SubFactor04 + m[1][2] * SubFactor05));
+
+ return
+ m[0][0] * DetCof[0] + m[0][1] * DetCof[1] +
+ m[0][2] * DetCof[2] + m[0][3] * DetCof[3];
+ }
+ };
+}//namespace detail
+
+ template <typename T, precision P, template <typename, precision> class matType>
+ GLM_FUNC_QUALIFIER matType<T, P> matrixCompMult(matType<T, P> const & x, matType<T, P> const & y)
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'matrixCompMult' only accept floating-point inputs");
+
+ matType<T, P> result(uninitialize);
+ for(length_t i = 0; i < result.length(); ++i)
+ result[i] = x[i] * y[i];
+ return result;
+ }
+
+ template<typename T, precision P, template <typename, precision> class vecTypeA, template <typename, precision> class vecTypeB>
+ GLM_FUNC_QUALIFIER typename detail::outerProduct_trait<T, P, vecTypeA, vecTypeB>::type outerProduct(vecTypeA<T, P> const & c, vecTypeB<T, P> const & r)
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'outerProduct' only accept floating-point inputs");
+
+ typename detail::outerProduct_trait<T, P, vecTypeA, vecTypeB>::type m(uninitialize);
+ for(length_t i = 0; i < m.length(); ++i)
+ m[i] = c * r[i];
+ return m;
+ }
+
+ template <typename T, precision P, template <typename, precision> class matType>
+ GLM_FUNC_QUALIFIER typename matType<T, P>::transpose_type transpose(matType<T, P> const & m)
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'transpose' only accept floating-point inputs");
+ return detail::compute_transpose<matType, T, P>::call(m);
+ }
+
+ template <typename T, precision P, template <typename, precision> class matType>
+ GLM_FUNC_QUALIFIER T determinant(matType<T, P> const & m)
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'determinant' only accept floating-point inputs");
+ return detail::compute_determinant<matType, T, P>::call(m);
+ }
+
+ template <typename T, precision P, template <typename, precision> class matType>
+ GLM_FUNC_QUALIFIER matType<T, P> inverse(matType<T, P> const & m)
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'inverse' only accept floating-point inputs");
+ return detail::compute_inverse(m);
+ }
+}//namespace glm
+
+#if GLM_ARCH != GLM_ARCH_PURE
+# include "func_matrix_simd.inl"
+#endif
+
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