public static Parser.Variable sum(Parser.Variable left, Parser.Variable right)
{
left = GetVariableValue(left);
right = GetVariableValue(right);
if (left.type == "string" || right.type == "string")
{
return(new Parser.Variable(left.value + right.value, "string"));
}
if (left.IsNaN() || right.IsNaN())
{
return(new Parser.Variable("NaN", "number"));
}
if (!left.CanBeConvertedTo("number") || !right.CanBeConvertedTo("number"))
{
return(new Parser.Variable("NaN", "number"));
}
left = left.ConvertTo("number");
right = right.ConvertTo("number");
return(new Parser.Variable(Parse(left.value) + Parse(right.value)));
}
internal static Parser.Variable res(Parser.Variable left, Parser.Variable right)
{
left = GetVariableValue(left);
right = GetVariableValue(right);
if (left.IsNaN() || right.IsNaN())
{
return(new Parser.Variable("NaN", "number"));
}
if (!left.CanBeConvertedTo("number") || !right.CanBeConvertedTo("number"))
{
return(new Parser.Variable("NaN", "number"));
}
left = left.ConvertTo("number");
right = right.ConvertTo("number");
return(new Parser.Variable(Parse(left.value) % Parse(right.value)));
}
public static Parser.Variable div(Parser.Variable left, Parser.Variable right)
{
left = GetVariableValue(left);
right = GetVariableValue(right);
if (left.IsNaN() || right.IsNaN())
{
return(new Parser.Variable("NaN", "number"));
}
if (!left.CanBeConvertedTo("number") || !right.CanBeConvertedTo("number"))
{
return(new Parser.Variable("NaN", "number"));
}
left = left.ConvertTo("number");
right = right.ConvertTo("number");
if (Parse(right.value) == 0)
{
return(new Parser.Variable(0));
}
return(new Parser.Variable(Parse(left.value) / Parse(right.value)));
}
