computeHashValue()

unsigned int SchurRing2::computeHashValue ( const ring_elem a ) const

virtual

Implements Ring.

Definition at line 93 of file schur2.cpp.

{
//  assuming a normal form: distinct monomials in the linear order introduced by compare_partitions()
 
  const auto& coeffs = a.get_schur_poly()->coeffs;
  const auto& monoms = a.get_schur_poly()->monoms;
 
  size_t seed = 95864398;  // using previous M2's constant hash value
 
  for(auto it=coeffs.begin(); it!=coeffs.end(); ++it)
    hash_combine(seed, coefficientRing->computeHashValue(*it));
  for(auto it=monoms.begin(); it!=monoms.end(); ++it)
    hash_combine(seed, *it);
 
  return static_cast<unsigned>(seed);
}

References coefficientRing, ring_elem::get_schur_poly(), and hash_combine().