result += check_normal(e, d);
e = (pow(x, 2) - pow(y, 2)) / pow(x-y, 3);
result += check_normal(e, d);
e = (pow(x, 2) - pow(y, 2)) / pow(x-y, 3);
result += check_normal(e, d);
e = (pow(x, -1) + x) / (pow(x , 2) * 2 + 2);
result += check_normal(e, d);
e = (pow(x, -1) + x) / (pow(x , 2) * 2 + 2);
// Fraction cancellation with rational coefficients
e = (pow(x, 2) - pow(y, 2)) / pow(x/2 - y/2, 3);
// Fraction cancellation with rational coefficients
e = (pow(x, 2) - pow(y, 2)) / pow(x/2 - y/2, 3);
result += check_normal(e, d);
// Fraction cancellation with rational coefficients
result += check_normal(e, d);
// Fraction cancellation with rational coefficients