public static async Task Calc(CommandContext bc)
{
if (bc.MessageTokens.Length == 1)
{
await bc.SendReply("Syntax: !calc <expression>");
return;
}
var mp = new MathParser();
mp.Evaluate(bc.MessageTokens.Join(1));
await bc.SendReply(@"\c07{0}\c => \c07{1}\c", mp.Expression, mp.ValueAsString);
}
public static bool TryCalc(string s, out double result_value)
{
result_value = 0;
if (s == null)
{
return false;
}
s = s.Trim();
if (s.Length == 0)
{
return false;
}
// evaluate and output the result
var c = new MathParser();
c.Evaluate(s);
if (c.Value != null)
{
result_value = (double) c.Value;
return true;
}
return false;
}