402 lines
13 KiB
Plaintext
402 lines
13 KiB
Plaintext
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/// @ref core
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/// @file glm/detail/func_matrix.inl
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#include "../geometric.hpp"
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#include <limits>
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namespace glm{
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namespace detail
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{
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template <template <typename, precision> class matType, typename T, precision P, bool Aligned>
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struct compute_matrixCompMult
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{
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GLM_FUNC_QUALIFIER static matType<T, P> call(matType<T, P> const& x, matType<T, P> const& y)
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{
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matType<T, P> result(uninitialize);
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for(length_t i = 0; i < result.length(); ++i)
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result[i] = x[i] * y[i];
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return result;
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}
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};
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template <template <class, precision> class matType, typename T, precision P, bool Aligned>
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struct compute_transpose{};
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template <typename T, precision P, bool Aligned>
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struct compute_transpose<tmat2x2, T, P, Aligned>
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{
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GLM_FUNC_QUALIFIER static tmat2x2<T, P> call(tmat2x2<T, P> const & m)
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{
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tmat2x2<T, P> result(uninitialize);
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result[0][0] = m[0][0];
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result[0][1] = m[1][0];
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result[1][0] = m[0][1];
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result[1][1] = m[1][1];
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return result;
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}
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};
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template <typename T, precision P, bool Aligned>
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struct compute_transpose<tmat2x3, T, P, Aligned>
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{
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GLM_FUNC_QUALIFIER static tmat3x2<T, P> call(tmat2x3<T, P> const & m)
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{
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tmat3x2<T, P> result(uninitialize);
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result[0][0] = m[0][0];
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result[0][1] = m[1][0];
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result[1][0] = m[0][1];
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result[1][1] = m[1][1];
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result[2][0] = m[0][2];
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result[2][1] = m[1][2];
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return result;
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}
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};
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template <typename T, precision P, bool Aligned>
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struct compute_transpose<tmat2x4, T, P, Aligned>
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{
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GLM_FUNC_QUALIFIER static tmat4x2<T, P> call(tmat2x4<T, P> const & m)
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{
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tmat4x2<T, P> result(uninitialize);
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result[0][0] = m[0][0];
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result[0][1] = m[1][0];
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result[1][0] = m[0][1];
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result[1][1] = m[1][1];
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result[2][0] = m[0][2];
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result[2][1] = m[1][2];
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result[3][0] = m[0][3];
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result[3][1] = m[1][3];
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return result;
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}
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};
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template <typename T, precision P, bool Aligned>
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struct compute_transpose<tmat3x2, T, P, Aligned>
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{
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GLM_FUNC_QUALIFIER static tmat2x3<T, P> call(tmat3x2<T, P> const & m)
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{
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tmat2x3<T, P> result(uninitialize);
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result[0][0] = m[0][0];
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result[0][1] = m[1][0];
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result[0][2] = m[2][0];
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result[1][0] = m[0][1];
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result[1][1] = m[1][1];
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result[1][2] = m[2][1];
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return result;
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}
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};
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template <typename T, precision P, bool Aligned>
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struct compute_transpose<tmat3x3, T, P, Aligned>
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{
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GLM_FUNC_QUALIFIER static tmat3x3<T, P> call(tmat3x3<T, P> const & m)
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{
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tmat3x3<T, P> result(uninitialize);
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result[0][0] = m[0][0];
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result[0][1] = m[1][0];
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result[0][2] = m[2][0];
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result[1][0] = m[0][1];
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result[1][1] = m[1][1];
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result[1][2] = m[2][1];
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result[2][0] = m[0][2];
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result[2][1] = m[1][2];
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result[2][2] = m[2][2];
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return result;
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}
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};
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template <typename T, precision P, bool Aligned>
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struct compute_transpose<tmat3x4, T, P, Aligned>
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{
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GLM_FUNC_QUALIFIER static tmat4x3<T, P> call(tmat3x4<T, P> const & m)
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{
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tmat4x3<T, P> result(uninitialize);
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result[0][0] = m[0][0];
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result[0][1] = m[1][0];
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result[0][2] = m[2][0];
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result[1][0] = m[0][1];
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result[1][1] = m[1][1];
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result[1][2] = m[2][1];
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result[2][0] = m[0][2];
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result[2][1] = m[1][2];
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result[2][2] = m[2][2];
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result[3][0] = m[0][3];
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result[3][1] = m[1][3];
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result[3][2] = m[2][3];
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return result;
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}
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};
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template <typename T, precision P, bool Aligned>
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struct compute_transpose<tmat4x2, T, P, Aligned>
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{
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GLM_FUNC_QUALIFIER static tmat2x4<T, P> call(tmat4x2<T, P> const & m)
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{
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tmat2x4<T, P> result(uninitialize);
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result[0][0] = m[0][0];
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result[0][1] = m[1][0];
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result[0][2] = m[2][0];
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result[0][3] = m[3][0];
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result[1][0] = m[0][1];
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result[1][1] = m[1][1];
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result[1][2] = m[2][1];
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result[1][3] = m[3][1];
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return result;
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}
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};
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template <typename T, precision P, bool Aligned>
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struct compute_transpose<tmat4x3, T, P, Aligned>
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{
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GLM_FUNC_QUALIFIER static tmat3x4<T, P> call(tmat4x3<T, P> const & m)
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{
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tmat3x4<T, P> result(uninitialize);
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result[0][0] = m[0][0];
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result[0][1] = m[1][0];
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result[0][2] = m[2][0];
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result[0][3] = m[3][0];
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result[1][0] = m[0][1];
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result[1][1] = m[1][1];
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result[1][2] = m[2][1];
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result[1][3] = m[3][1];
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result[2][0] = m[0][2];
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result[2][1] = m[1][2];
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result[2][2] = m[2][2];
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result[2][3] = m[3][2];
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return result;
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}
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};
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template <typename T, precision P, bool Aligned>
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struct compute_transpose<tmat4x4, T, P, Aligned>
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{
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GLM_FUNC_QUALIFIER static tmat4x4<T, P> call(tmat4x4<T, P> const & m)
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{
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tmat4x4<T, P> result(uninitialize);
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result[0][0] = m[0][0];
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result[0][1] = m[1][0];
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result[0][2] = m[2][0];
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result[0][3] = m[3][0];
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result[1][0] = m[0][1];
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result[1][1] = m[1][1];
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result[1][2] = m[2][1];
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result[1][3] = m[3][1];
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result[2][0] = m[0][2];
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result[2][1] = m[1][2];
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result[2][2] = m[2][2];
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result[2][3] = m[3][2];
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result[3][0] = m[0][3];
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result[3][1] = m[1][3];
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result[3][2] = m[2][3];
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result[3][3] = m[3][3];
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return result;
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}
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};
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template <template <typename, precision> class matType, typename T, precision P, bool Aligned>
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struct compute_determinant{};
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template <typename T, precision P, bool Aligned>
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struct compute_determinant<tmat2x2, T, P, Aligned>
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{
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GLM_FUNC_QUALIFIER static T call(tmat2x2<T, P> const & m)
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{
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return m[0][0] * m[1][1] - m[1][0] * m[0][1];
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}
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};
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template <typename T, precision P, bool Aligned>
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struct compute_determinant<tmat3x3, T, P, Aligned>
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{
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GLM_FUNC_QUALIFIER static T call(tmat3x3<T, P> const & m)
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{
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return
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+ m[0][0] * (m[1][1] * m[2][2] - m[2][1] * m[1][2])
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- m[1][0] * (m[0][1] * m[2][2] - m[2][1] * m[0][2])
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+ m[2][0] * (m[0][1] * m[1][2] - m[1][1] * m[0][2]);
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}
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};
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template <typename T, precision P, bool Aligned>
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struct compute_determinant<tmat4x4, T, P, Aligned>
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{
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GLM_FUNC_QUALIFIER static T call(tmat4x4<T, P> const & m)
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{
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T SubFactor00 = m[2][2] * m[3][3] - m[3][2] * m[2][3];
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T SubFactor01 = m[2][1] * m[3][3] - m[3][1] * m[2][3];
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T SubFactor02 = m[2][1] * m[3][2] - m[3][1] * m[2][2];
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T SubFactor03 = m[2][0] * m[3][3] - m[3][0] * m[2][3];
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T SubFactor04 = m[2][0] * m[3][2] - m[3][0] * m[2][2];
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T SubFactor05 = m[2][0] * m[3][1] - m[3][0] * m[2][1];
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tvec4<T, P> DetCof(
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+ (m[1][1] * SubFactor00 - m[1][2] * SubFactor01 + m[1][3] * SubFactor02),
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- (m[1][0] * SubFactor00 - m[1][2] * SubFactor03 + m[1][3] * SubFactor04),
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+ (m[1][0] * SubFactor01 - m[1][1] * SubFactor03 + m[1][3] * SubFactor05),
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- (m[1][0] * SubFactor02 - m[1][1] * SubFactor04 + m[1][2] * SubFactor05));
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return
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m[0][0] * DetCof[0] + m[0][1] * DetCof[1] +
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m[0][2] * DetCof[2] + m[0][3] * DetCof[3];
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}
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};
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template <template <typename, precision> class matType, typename T, precision P, bool Aligned>
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struct compute_inverse{};
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template <typename T, precision P, bool Aligned>
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struct compute_inverse<tmat2x2, T, P, Aligned>
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{
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GLM_FUNC_QUALIFIER static tmat2x2<T, P> call(tmat2x2<T, P> const& m)
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{
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T OneOverDeterminant = static_cast<T>(1) / (
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+ m[0][0] * m[1][1]
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- m[1][0] * m[0][1]);
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tmat2x2<T, P> Inverse(
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+ m[1][1] * OneOverDeterminant,
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- m[0][1] * OneOverDeterminant,
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- m[1][0] * OneOverDeterminant,
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+ m[0][0] * OneOverDeterminant);
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return Inverse;
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}
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};
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template <typename T, precision P, bool Aligned>
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struct compute_inverse<tmat3x3, T, P, Aligned>
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{
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GLM_FUNC_QUALIFIER static tmat3x3<T, P> call(tmat3x3<T, P> const& m)
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{
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T OneOverDeterminant = static_cast<T>(1) / (
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+ m[0][0] * (m[1][1] * m[2][2] - m[2][1] * m[1][2])
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- m[1][0] * (m[0][1] * m[2][2] - m[2][1] * m[0][2])
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+ m[2][0] * (m[0][1] * m[1][2] - m[1][1] * m[0][2]));
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tmat3x3<T, P> Inverse(uninitialize);
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Inverse[0][0] = + (m[1][1] * m[2][2] - m[2][1] * m[1][2]) * OneOverDeterminant;
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Inverse[1][0] = - (m[1][0] * m[2][2] - m[2][0] * m[1][2]) * OneOverDeterminant;
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Inverse[2][0] = + (m[1][0] * m[2][1] - m[2][0] * m[1][1]) * OneOverDeterminant;
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Inverse[0][1] = - (m[0][1] * m[2][2] - m[2][1] * m[0][2]) * OneOverDeterminant;
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Inverse[1][1] = + (m[0][0] * m[2][2] - m[2][0] * m[0][2]) * OneOverDeterminant;
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Inverse[2][1] = - (m[0][0] * m[2][1] - m[2][0] * m[0][1]) * OneOverDeterminant;
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Inverse[0][2] = + (m[0][1] * m[1][2] - m[1][1] * m[0][2]) * OneOverDeterminant;
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Inverse[1][2] = - (m[0][0] * m[1][2] - m[1][0] * m[0][2]) * OneOverDeterminant;
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Inverse[2][2] = + (m[0][0] * m[1][1] - m[1][0] * m[0][1]) * OneOverDeterminant;
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return Inverse;
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}
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};
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template <typename T, precision P, bool Aligned>
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struct compute_inverse<tmat4x4, T, P, Aligned>
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{
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GLM_FUNC_QUALIFIER static tmat4x4<T, P> call(tmat4x4<T, P> const& m)
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{
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T Coef00 = m[2][2] * m[3][3] - m[3][2] * m[2][3];
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T Coef02 = m[1][2] * m[3][3] - m[3][2] * m[1][3];
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T Coef03 = m[1][2] * m[2][3] - m[2][2] * m[1][3];
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T Coef04 = m[2][1] * m[3][3] - m[3][1] * m[2][3];
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T Coef06 = m[1][1] * m[3][3] - m[3][1] * m[1][3];
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T Coef07 = m[1][1] * m[2][3] - m[2][1] * m[1][3];
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T Coef08 = m[2][1] * m[3][2] - m[3][1] * m[2][2];
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T Coef10 = m[1][1] * m[3][2] - m[3][1] * m[1][2];
|
||
|
|
T Coef11 = m[1][1] * m[2][2] - m[2][1] * m[1][2];
|
||
|
|
|
||
|
|
T Coef12 = m[2][0] * m[3][3] - m[3][0] * m[2][3];
|
||
|
|
T Coef14 = m[1][0] * m[3][3] - m[3][0] * m[1][3];
|
||
|
|
T Coef15 = m[1][0] * m[2][3] - m[2][0] * m[1][3];
|
||
|
|
|
||
|
|
T Coef16 = m[2][0] * m[3][2] - m[3][0] * m[2][2];
|
||
|
|
T Coef18 = m[1][0] * m[3][2] - m[3][0] * m[1][2];
|
||
|
|
T Coef19 = m[1][0] * m[2][2] - m[2][0] * m[1][2];
|
||
|
|
|
||
|
|
T Coef20 = m[2][0] * m[3][1] - m[3][0] * m[2][1];
|
||
|
|
T Coef22 = m[1][0] * m[3][1] - m[3][0] * m[1][1];
|
||
|
|
T Coef23 = m[1][0] * m[2][1] - m[2][0] * m[1][1];
|
||
|
|
|
||
|
|
tvec4<T, P> Fac0(Coef00, Coef00, Coef02, Coef03);
|
||
|
|
tvec4<T, P> Fac1(Coef04, Coef04, Coef06, Coef07);
|
||
|
|
tvec4<T, P> Fac2(Coef08, Coef08, Coef10, Coef11);
|
||
|
|
tvec4<T, P> Fac3(Coef12, Coef12, Coef14, Coef15);
|
||
|
|
tvec4<T, P> Fac4(Coef16, Coef16, Coef18, Coef19);
|
||
|
|
tvec4<T, P> Fac5(Coef20, Coef20, Coef22, Coef23);
|
||
|
|
|
||
|
|
tvec4<T, P> Vec0(m[1][0], m[0][0], m[0][0], m[0][0]);
|
||
|
|
tvec4<T, P> Vec1(m[1][1], m[0][1], m[0][1], m[0][1]);
|
||
|
|
tvec4<T, P> Vec2(m[1][2], m[0][2], m[0][2], m[0][2]);
|
||
|
|
tvec4<T, P> Vec3(m[1][3], m[0][3], m[0][3], m[0][3]);
|
||
|
|
|
||
|
|
tvec4<T, P> Inv0(Vec1 * Fac0 - Vec2 * Fac1 + Vec3 * Fac2);
|
||
|
|
tvec4<T, P> Inv1(Vec0 * Fac0 - Vec2 * Fac3 + Vec3 * Fac4);
|
||
|
|
tvec4<T, P> Inv2(Vec0 * Fac1 - Vec1 * Fac3 + Vec3 * Fac5);
|
||
|
|
tvec4<T, P> Inv3(Vec0 * Fac2 - Vec1 * Fac4 + Vec2 * Fac5);
|
||
|
|
|
||
|
|
tvec4<T, P> SignA(+1, -1, +1, -1);
|
||
|
|
tvec4<T, P> SignB(-1, +1, -1, +1);
|
||
|
|
tmat4x4<T, P> Inverse(Inv0 * SignA, Inv1 * SignB, Inv2 * SignA, Inv3 * SignB);
|
||
|
|
|
||
|
|
tvec4<T, P> Row0(Inverse[0][0], Inverse[1][0], Inverse[2][0], Inverse[3][0]);
|
||
|
|
|
||
|
|
tvec4<T, P> Dot0(m[0] * Row0);
|
||
|
|
T Dot1 = (Dot0.x + Dot0.y) + (Dot0.z + Dot0.w);
|
||
|
|
|
||
|
|
T OneOverDeterminant = static_cast<T>(1) / Dot1;
|
||
|
|
|
||
|
|
return Inverse * OneOverDeterminant;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}//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 || GLM_UNRESTRICTED_GENTYPE, "'matrixCompMult' only accept floating-point inputs");
|
||
|
|
return detail::compute_matrixCompMult<matType, T, P, detail::is_aligned<P>::value>::call(x, y);
|
||
|
|
}
|
||
|
|
|
||
|
|
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 || GLM_UNRESTRICTED_GENTYPE, "'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 || GLM_UNRESTRICTED_GENTYPE, "'transpose' only accept floating-point inputs");
|
||
|
|
return detail::compute_transpose<matType, T, P, detail::is_aligned<P>::value>::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 || GLM_UNRESTRICTED_GENTYPE, "'determinant' only accept floating-point inputs");
|
||
|
|
return detail::compute_determinant<matType, T, P, detail::is_aligned<P>::value>::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 || GLM_UNRESTRICTED_GENTYPE, "'inverse' only accept floating-point inputs");
|
||
|
|
return detail::compute_inverse<matType, T, P, detail::is_aligned<P>::value>::call(m);
|
||
|
|
}
|
||
|
|
}//namespace glm
|
||
|
|
|
||
|
|
#if GLM_ARCH != GLM_ARCH_PURE && GLM_HAS_UNRESTRICTED_UNIONS
|
||
|
|
# include "func_matrix_simd.inl"
|
||
|
|
#endif
|
||
|
|
|