public void should_return_correct_value_when_partly_simplified(string stringToParse, double expectedValue)
{
var partlySimplifiedParsedFunction = new ParsedFunction();
partlySimplifiedParsedFunction.UpdateFrom(sut);
partlySimplifiedParsedFunction.StringToParse = stringToParse;
partlySimplifiedParsedFunction.SetParametersNotToSimplify(new[] { "p1" });
partlySimplifiedParsedFunction.CalcExpression(_arguments).ShouldBeEqualTo(expectedValue);
}
static void Test2()
{
double p1 = 1, p2 = 2, p3 = 3, x = 3, y = 4;
var pf = new ParsedFunction();
var caseSensitive = pf.CaseSensitive;
pf.CaseSensitive = !caseSensitive;
caseSensitive = pf.CaseSensitive;
Console.WriteLine($"CaseSensitive={caseSensitive}");
pf.SetVariableNames(new[] { "x", "y" });
pf.SetParameterNames(new[] { "p1", "p2", "p3" });
pf.SetParameterValues(new[] { p1, p2, p3 });
pf.SetParametersNotToSimplify(new[] { "p3" });
pf.SimplifyParametersAllowed = true;
pf.LogicOperatorsAllowed = false;
pf.LogicalNumericMixAllowed = false;
pf.ComparisonTolerance = 0.1;
pf.StringToParse = "2*p1+3*p2+p3+x*y";
var stringToParse = pf.StringToParse;
pf.Parse();
Console.WriteLine("Parse: OK");
var value = pf.CalcExpression(new[] { x, y });
Console.WriteLine($"p1={p1} p2={p2} p3={p3} x={x} y={y}\n");
Console.WriteLine($"{stringToParse} = {value}\n");
var xmlString = pf.GetXMLString();
Console.WriteLine($"{xmlString}\n");
pf = null;
pf = new ParsedFunction();
pf.SetVariableNames(new[] { "x", "y" });
pf.StringToParse = "x+t";
pf.Parse();
}