private static RrFunction BinaryOp(StepFunction left, StepFunction right,
Func <double, double, double> binaryOp)
{
var mergedAbscissae = left.abscissae.Union(right.abscissae).OrderBy(p => p).ToArray();
var multValues = mergedAbscissae.Map(p => binaryOp(left.Eval(p), right.Eval(p)));
var multLeftValue = binaryOp(left.Eval(double.NegativeInfinity), right.Eval(double.NegativeInfinity));
return(new StepFunction(mergedAbscissae, multValues, multLeftValue));
}
public override double Eval(double x)
{
return(evaluator.Eval(x));
}
public override double Eval(double x)
{
return(stepEval.Eval(x) * weight.Eval(x));
}