dimension() [2/2]

ring_elem SchurRing::dimension

(

const ring_elem

f

)

const

Definition at line 332 of file schur.cpp.

{
  exponents_t EXP = ALLOCATE_EXPONENTS(sizeof(int) * (nvars_ + 1));
  ring_elem result = K_->from_long(0);
  mpz_t dim;
  mpz_init(dim);
  for (Nterm& t : f)
    {
      to_partition(t.monom, EXP);
      dimension(EXP, dim);
      ring_elem h = K_->from_int(dim);
      ring_elem h2 = K_->mult(t.coeff, h);
      K_->add_to(result, h2);
      K_->remove(h);
    }
  mpz_clear(dim);
  return result;
}

References ALLOCATE_EXPONENTS, dimension(), PolynomialRing::K_, PolynomialRing::nvars_, result(), and to_partition().