degree_ring_elem()

int degree_ring_elem	(	const PolyRing *	R,
		ring_elem	re )

Definition at line 2196 of file NAG.cpp.

{
  auto d = ALLOCATE_EXPONENTS(EXPONENT_BYTE_SIZE(1));
  R->multi_degree(re, d);
  // for a single graded ring, the first entry in a monomial array
  // is the negative of the degree, which is the second entry
  return -d[0];
}

References ALLOCATE_EXPONENTS, EXPONENT_BYTE_SIZE, Ring::multi_degree(), and FreeModule::R.

Referenced by PathTracker::make().