subtract()

void M2::ARingZZp::subtract ( elem & result, elem a, elem b ) const

inline

Definition at line 226 of file aring-zzp.hpp.

  {
    int e1 = exp_table[a];
    int e2 = exp_table[b];
    int n = e1 - e2;
    if (n < 0) n += p;
    result = log_table[n];
  }

References exp_table, log_table, p, and result().