subtract()

template<class RingType>

virtual ring_elem M2::ConcreteRing< RingType >::subtract ( const ring_elem f, const ring_elem g ) const

inlinevirtual

Implements Ring.

Definition at line 344 of file aring-glue.hpp.

  {
    if (displayArithmeticCalls) fprintf(stderr, "calling subtract\n");
    const ElementType &a = R->from_ring_elem_const(f);
    const ElementType &b = R->from_ring_elem_const(g);
    Element c(*R);
    ring_elem result;
    R->subtract(c, a, b);
    R->to_ring_elem(result, c);
    return result;
  }

Referenced by almostEqual(), and almostEqual().