internal static DoubleDataFrameColumn ComputeDiscountPrice(DoubleDataFrameColumn price, DoubleDataFrameColumn discount)
{
if (price.Length != discount.Length)
{
throw new ArgumentException("Arrays need to be the same length");
}
return(price * (1 - discount));
}
internal static DoubleDataFrameColumn ComputeTotal(DoubleDataFrameColumn price, DoubleDataFrameColumn discount, DoubleDataFrameColumn tax)
{
if ((price.Length != discount.Length) || (price.Length != tax.Length))
{
throw new ArgumentException("Arrays need to be the same length");
}
return(price * (1 - discount) * (1 + tax));
}
