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Pivot/src/Vect.cpp
2024-02-23 11:02:49 +01:00

91 lines
2.1 KiB
C++

#include "Vect.h"
#include "Gauss.h"
#include "Solver.h"
#include <cassert>
#include <iostream>
Vect::Vect(const Matrix& mat) : m_Data(mat) {
Simplify();
}
void Vect::Simplify() {
Matrix mat = m_Data;
for (std::size_t j = 0; j < mat.GetColumnCount(); j++) {
std::size_t i;
for (i = 0; i < mat.GetRawCount(); i++) {
if (!IsEqualZero(mat.at(i, j)))
break;
}
if (i == mat.GetRawCount()) {
m_Data = mat.SubMatrix(0, 0, mat.GetRawCount(), j);
return;
}
}
m_Data = mat;
}
std::size_t Vect::GetCardinal() const {
return m_Data.GetColumnCount();
}
bool Vect::operator==(const Vect& other) const {
if (GetDimension() != other.GetDimension() || GetCardinal() != other.GetCardinal())
return false;
// on vérifie si chaque vecteur de la deuxième base appartient à la première base
for (std::size_t i = 0; i < GetCardinal(); i++) {
Vect base = *this;
base.AddVector(other.m_Data.SubMatrix(0, i, GetDimension(), 1));
if (base.GetCardinal() != GetCardinal())
return false;
}
return true;
}
void Vect::AddVector(const Matrix& mat) {
m_Data.Augmenter(mat);
m_Data.Transpose();
Gauss::GaussJordan(m_Data, false, false);
m_Data.Transpose();
Simplify();
}
bool Vect::operator!=(const Vect& other) const {
return !(*this == other);
}
Matrix Vect::GetLinearSystem() const {
Matrix vect = m_Data;
vect.Transpose();
Solver solver {vect};
vect = solver.Noyau().m_Data;
vect.Transpose();
return vect;
}
void Vect::Print() const {
std::cout << "Espace vectoriel de dimension " << GetCardinal() << " de base :\n\n";
for (std::size_t i = 0; i < m_Data.GetRawCount(); i++) {
for (std::size_t j = 0; j < m_Data.GetColumnCount(); j++) {
std::cout << "[ " << m_Data.at(i, j) << " ]\t";
}
std::cout << "\n";
}
}
std::size_t Vect::GetDimension() const {
return m_Data.GetRawCount();
}
VectAffine::VectAffine(const Vect& base, const Matrix& origine) :
m_Base(base), m_Origin(origine.SubMatrix(0, 0, m_Base.GetDimension(), 1)) {}
void VectAffine::Print() const {
std::cout << "\tEspace Affine :\n\n";
m_Base.Print();
std::cout << "\nOrigine :\n\n";
m_Origin.Print();
}