private static void Main(string[] args) { // The caching mechanism for saving any user defined constants or functions. MathSolverLibrary.Information_Helpers.FuncDefHelper funcDefHelper = new MathSolverLibrary.Information_Helpers.FuncDefHelper(); // Display some messages to the user. ConsoleHelper.SetConsoleWindow(); ConsoleHelper.DisplayHelpScreen(); // Initialize the math solving engine. MathSolver.Init(); for (; ;) { // Poll user input. Console.ForegroundColor = ConsoleColor.Magenta; Console.Write(">"); Console.ResetColor(); string inputStr = Console.ReadLine(); // Check if the user wants to quit the program. if (inputStr == "quit") { break; } if (ProcessSpecialCommand(inputStr)) { continue; } // The temporary data necessary for the math evaluation engine. // Necessary in the parsing stage to determine the context and meaning of the expression. MathSolverLibrary.TermType.EvalData evalData = new MathSolverLibrary.TermType.EvalData(_useRad, new WorkMgr(), funcDefHelper); var termEval = ParseInput(inputStr, ref funcDefHelper, ref evalData); // Display the possible methods of evaluation to the user. Console.WriteLine("Input desired evaluation option:"); for (int i = 0; i < termEval.GetCmdCount(); ++i) { Console.WriteLine(" " + (i + 1).ToString() + ")" + termEval.GetCommands()[i]); } // Get the command the user wants to evaluate. Console.ForegroundColor = ConsoleColor.Magenta; Console.Write(">"); Console.ResetColor(); string optionStr = Console.ReadLine(); int optionIndex; if (!int.TryParse(optionStr, out optionIndex)) { return; } MathSolverLibrary.Equation.SolveResult solveResult = EvaluateTerm(termEval, optionIndex, ref evalData); ConsoleHelper.UserFriendlyDisplay(solveResult, evalData); } }
public static void Test() { // Initialize the math solving engine. MathSolver.Init(); EvalData evalData = ConstructEvalData(); // Object deriving from ExComp representing a algebraic variable. AlgebraComp x = new AlgebraComp("x"); ExComp complexExpression = ConstructEx("3x^2 - 3", evalData); ExComp combined = AddOp.StaticCombine(x, complexExpression); // Square the expression. ExComp squared = PowOp.RaiseToPower(complexExpression, new ExNumber(2.0), ref evalData, false); // String containing the evaluated result. string result = squared.ToAlgTerm().FinalToDispStr(); ExComp left = ConstructEx(¨ln(x - 2) ¨, evalData); ExComp right = ConstructEx(¨3¨, evalData); // The object containing the functionality used to solve algebraic equations. AlgebraSolver agSolver = new AlgebraSolver(); // Any additional information regarding the result will be stored in the evalData object. ExComp solveResult = agSolver.SolveEq(left, right, new AlgebraVar(¨x¨), evalData); }