return; else if (((GF2nPolynomialField)mField).isPentanomial())
return; else if (((GF2nPolynomialField)mField).isPentanomial())
return; else if (((GF2nPolynomialField)mField).isPentanomial())
return; else if (((GF2nPolynomialField)mField).isPentanomial())