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solver move matricies

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This commit is contained in:
Simon Pribylski
2024-05-04 14:56:50 +02:00
parent 36ef301cb9
commit e71bc588e5
6 changed files with 37 additions and 32 deletions
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39
src/Solver.cpp
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@@ -2,37 +2,38 @@
#include "Gauss.h"
Vect Solver::Image(const Matrix& a_Matrix) const {
Matrix result = a_Matrix;
result.Transpose();
Gauss::GaussJordan(result, true, true);
result.Transpose();
return {result};
Vect Solver::Image(Matrix&& a_Matrix) const {
a_Matrix.Transpose();
Gauss::GaussJordan(a_Matrix, true, true);
a_Matrix.Transpose();
return {a_Matrix};
}
// https://en.wikipedia.org/wiki/Kernel_(linear_algebra)#Computation_by_Gaussian_elimination
Vect Solver::Kernel(const Matrix& a_Matrix) const {
Matrix result = a_Matrix;
result.Transpose();
result.Augment(Matrix::Identity(result.GetRawCount()));
Gauss::GaussJordan(result, true, true);
result.Transpose();
Vect Solver::Kernel(Matrix&& a_Matrix) const {
std::size_t matrixRawCount = a_Matrix.GetRawCount();
std::size_t matrixColumnCount = a_Matrix.GetColumnCount();
a_Matrix.Transpose();
a_Matrix.Augment(Matrix::Identity(a_Matrix.GetRawCount()));
Gauss::GaussJordan(a_Matrix, true, true);
a_Matrix.Transpose();
// nombre de colonnes non nulles
std::size_t origine_colonne = Vect(result.SubMatrix(0, 0, a_Matrix.GetRawCount(), a_Matrix.GetColumnCount())).GetCardinal();
std::size_t origine_colonne = Vect(a_Matrix.SubMatrix(0, 0, matrixRawCount, matrixColumnCount)).GetCardinal();
return {result.SubMatrix(a_Matrix.GetRawCount(), origine_colonne, result.GetRawCount() - a_Matrix.GetRawCount(),
result.GetColumnCount() - origine_colonne)};
return {a_Matrix.SubMatrix(matrixRawCount, origine_colonne, a_Matrix.GetRawCount() - matrixRawCount,
a_Matrix.GetColumnCount() - origine_colonne)};
}
VectAffine Solver::RectangularSystem(const Matrix& a_MatrixA, const Matrix& a_VectorB) const {
VectAffine Solver::RectangularSystem(Matrix&& a_MatrixA, const Matrix& a_VectorB) const {
Matrix mat = a_MatrixA;
mat.Augment(a_VectorB);
Gauss::GaussJordan(mat, true, true);
Solver solver;
Vect noyau = solver.Kernel(a_MatrixA);
Vect noyau = solver.Kernel(std::move(a_MatrixA));
Matrix origin = mat.SubMatrix(0, mat.GetColumnCount() - 1, mat.GetRawCount(), 1);
// on rajoute des 0 si il faut
@@ -49,6 +50,6 @@ VectAffine Solver::RectangularSystem(const Matrix& a_MatrixA, const Matrix& a_Ve
return {noyau, fullOrigin};
}
std::size_t Solver::Rank(const Matrix& a_Matrix) const {
return Image(a_Matrix).GetCardinal();
std::size_t Solver::Rank(Matrix&& a_Matrix) const {
return Image(std::move(a_Matrix)).GetCardinal();
}