is_zero()

bool FractionField::is_zero ( const ring_elem f ) const

virtual

Implements Ring.

Definition at line 366 of file frac.cpp.

{
  return (R_->is_zero(FRAC_VAL(f)->numer));
}

References FRAC_VAL, and R_.

Referenced by is_equal(), is_homogeneous(), and lower_content().