Change the project name from MbDCode to OndselSolver.

OndselSolver/VelSolver.cpp

@@ -0,0 +1,68 @@
+/***************************************************************************
+ *   Copyright (c) 2023 Ondsel, Inc.                                       *
+ *                                                                         *
+ *   This file is part of OndselSolver.                                    *
+ *                                                                         *
+ *   See LICENSE file for details about copyright.                         *
+ ***************************************************************************/
+ 
+#include "VelSolver.h"
+#include "MatrixSolver.h"
+#include "SystemSolver.h"
+#include "CREATE.h"
+#include "GESpMatParPvPrecise.h"
+#include "SingularMatrixError.h"
+#include "GESpMatParPvMarko.h"
+#include "GESpMatParPvMarkoFast.h"
+
+using namespace MbD;
+
+void VelSolver::basicSolveEquations()
+{
+	x = matrixSolver->solvewithsaveOriginal(jacobian, errorVector, true);
+}
+
+void VelSolver::handleSingularMatrix()
+{
+	std::string str = typeid(*matrixSolver).name();
+	if (str.find("GESpMatParPvMarkoFast") != std::string::npos) {
+		matrixSolver = CREATE<GESpMatParPvPrecise>::With();
+		this->solveEquations();
+	}
+	else {
+		str = typeid(*matrixSolver).name();
+		if (str.find("GESpMatParPvPrecise") != std::string::npos) {
+			this->logSingularMatrixMessage();
+			matrixSolver = this->matrixSolverClassNew();
+		}
+		else {
+			assert(false);
+		}
+	}
+}
+
+void VelSolver::logSingularMatrixMessage()
+{
+	std::string str = "MbD: Velocity solver has encountered a singular matrix.";
+	system->logString(str);
+}
+
+std::shared_ptr<MatrixSolver> VelSolver::matrixSolverClassNew()
+{
+	return CREATE<GESpMatParPvPrecise>::With();
+}
+
+void VelSolver::solveEquations()
+{
+	try {
+		this->basicSolveEquations();
+	}
+	catch (SingularMatrixError ex) {
+		this->handleSingularMatrix();
+	}
+}
+
+void VelSolver::setSystem(Solver* sys)
+{
+	system = static_cast<SystemSolver*>(sys);
+}