public static double Log(FunctionToken func, Evaluator evaluator)
{
var args = func.Arguments;
var a = args[0].Evaluate(evaluator);
if (args.Length == 1)
return Math.Log(a);
var @base = args[1].Evaluate(evaluator);
return Math.Log(a, @base);
}
public static double Log10(FunctionToken func, Evaluator evaluator)
{
var args = func.Arguments;
var num = args[0].Evaluate(evaluator);
return Math.Log10(num);
}
public static double Cos(FunctionToken func, Evaluator evaluator)
{
var args = func.Arguments;
var num = args[0].Evaluate(evaluator);
return Math.Cos(num.ToRadians(evaluator.Settings.Mode));
}
public static double GradToRad(FunctionToken func, Evaluator evaluator)
{
var args = func.Arguments;
var num = args[0].Evaluate(evaluator);
return num.ToRadians(Mode.Grad);
}
public static double Min(FunctionToken func, Evaluator evaluator)
{
var args = func.Arguments;
return args.Select(ar => ar.Evaluate(evaluator)).Min();
}