74 lines
2.0 KiB
C++
74 lines
2.0 KiB
C++
#include <iostream>
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#include <limits>
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#include <memory>
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#include <chrono>
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#include "MatrixSolver.h"
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#include "SparseMatrix.h"
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#include "FullMatrix.h"
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#include "SingularMatrixError.h"
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using namespace MbD;
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void MbD::MatrixSolver::initialize()
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{
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Solver::initialize();
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singularPivotTolerance = 4 * std::numeric_limits<double>::epsilon();
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}
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void MbD::MatrixSolver::setSystem(Solver* sys)
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{
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}
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FColDsptr MbD::MatrixSolver::solvewithsaveOriginal(SpMatDsptr spMat, FColDsptr fullCol, bool saveOriginal)
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{
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this->timedSolvewithsaveOriginal(spMat, fullCol, saveOriginal);
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return answerX;
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}
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FColDsptr MbD::MatrixSolver::solvewithsaveOriginal(FMatDsptr fullMat, FColDsptr fullCol, bool saveOriginal)
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{
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this->timedSolvewithsaveOriginal(fullMat, fullCol, saveOriginal);
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return answerX;
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}
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FColDsptr MbD::MatrixSolver::timedSolvewithsaveOriginal(SpMatDsptr spMat, FColDsptr fullCol, bool saveOriginal)
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{
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auto start = std::chrono::steady_clock::now();
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this->basicSolvewithsaveOriginal(spMat, fullCol, saveOriginal);
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auto end = std::chrono::steady_clock::now();
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auto diff = end - start;
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millisecondsToRun = std::chrono::duration<double, std::milli>(diff).count();
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std::cout << "milliseconds to run = " << millisecondsToRun << std::endl;
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return answerX;
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}
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FColDsptr MbD::MatrixSolver::timedSolvewithsaveOriginal(FMatDsptr fullMat, FColDsptr fullCol, bool saveOriginal)
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{
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return FColDsptr();
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}
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void MbD::MatrixSolver::findScalingsForRowRange(int begin, int end)
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{
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//"Row element * scaling <= 1.0."
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rowScalings = std::make_shared<FullColumn<double>>(m);
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for (int i = begin; i < end; i++)
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{
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auto maxRowMagnitude = this->getmatrixArowimaxMagnitude(i);
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if (maxRowMagnitude == 0.0) throwSingularMatrixError("");
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rowScalings->at(i) = 1.0 / maxRowMagnitude;
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}
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}
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void MbD::MatrixSolver::throwSingularMatrixError(const char* chars)
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{
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throw SingularMatrixError(chars);
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}
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void MbD::MatrixSolver::throwSingularMatrixError(const char* chars, std::shared_ptr<FullColumn<int>> redunEqnNos)
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{
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throw SingularMatrixError(chars, redunEqnNos);
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}
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