public GaloisPolynomial Multiply(GaloisPolynomial factorPolynomial)
{
if (!m_Field.Equals(factorPolynomial.m_Field))
{
throw new NFXException(StringConsts.ARGUMENT_ERROR + GetType().Name + ".Mult(factor: different field)");
}
if (IsPolynomial0 || factorPolynomial.IsPolynomial0)
{
return(m_Field.Polynomial0);
}
int[] multiplicand = m_Coefficients;
int[] factor = factorPolynomial.m_Coefficients;
int[] product = new int[m_Coefficients.Length + factorPolynomial.m_Coefficients.Length - 1];
for (int i = 0; i < multiplicand.Length; i++)
{
int multiplicandCoefficient = multiplicand[i];
for (int j = 0; j < factor.Length; j++)
{
product[i + j] = GaloisField.Add(product[i + j], m_Field.Multiply(multiplicandCoefficient, factor[j]));
}
}
return(new GaloisPolynomial(m_Field, product));
}
