matrix_factorisation.hpp
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#pragma once
// Dependency:
#include "../glm.hpp"
#ifndef GLM_ENABLE_EXPERIMENTAL
# error "GLM: GLM_GTX_matrix_factorisation is an experimental extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it."
#elif GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
# pragma message("GLM: GLM_GTX_matrix_factorisation extension included")
#endif
/*
Suggestions:
- Move helper functions flipud and fliplr to another file: They may be helpful in more general circumstances.
- Implement other types of matrix factorisation, such as: QL and LQ, L(D)U, eigendecompositions, etc...
*/
namespace glm
{
template <length_t C, length_t R, typename T, qualifier Q>
GLM_FUNC_DECL mat<C, R, T, Q> flipud(mat<C, R, T, Q> const& in);
template <length_t C, length_t R, typename T, qualifier Q>
GLM_FUNC_DECL mat<C, R, T, Q> fliplr(mat<C, R, T, Q> const& in);
template <length_t C, length_t R, typename T, qualifier Q>
GLM_FUNC_DISCARD_DECL void qr_decompose(mat<C, R, T, Q> const& in, mat<(C < R ? C : R), R, T, Q>& q, mat<C, (C < R ? C : R), T, Q>& r);
template <length_t C, length_t R, typename T, qualifier Q>
GLM_FUNC_DISCARD_DECL void rq_decompose(mat<C, R, T, Q> const& in, mat<(C < R ? C : R), R, T, Q>& r, mat<C, (C < R ? C : R), T, Q>& q);
}
#include "matrix_factorisation.inl"
glm::flipud
GLM_FUNC_DECL mat< C, R, T, Q > flipud(mat< C, R, T, Q > const &in)
Flips the matrix rows up and down.
glm::rq_decompose
GLM_FUNC_DISCARD_DECL void rq_decompose(mat< C, R, T, Q > const &in, mat<(C< R ? C :R), R, T, Q > &r, mat< C,(C< R ? C :R), T, Q > &q)
Performs RQ factorisation of a matrix.
glm::fliplr
GLM_FUNC_DECL mat< C, R, T, Q > fliplr(mat< C, R, T, Q > const &in)
Flips the matrix columns right and left.
glm::qr_decompose
GLM_FUNC_DISCARD_DECL void qr_decompose(mat< C, R, T, Q > const &in, mat<(C< R ? C :R), R, T, Q > &q, mat< C,(C< R ? C :R), T, Q > &r)
Performs QR factorisation of a matrix.