is_zero()

bool RingZZ::is_zero ( const ring_elem f ) const

virtual

Implements Ring.

Definition at line 155 of file ZZ.cpp.

{
  mpz_srcptr a = f.get_mpz();
  return mpz_sgn(a) == 0;
}

References ring_elem::get_mpz().

Referenced by divide(), lower_associate_divisor(), lower_content(), and syzygy().