elem_text_out()

void RingZZ::elem_text_out ( buffer & o, const ring_elem f, bool p_one = true, bool p_plus = false, bool p_parens = false ) const

virtual

Implements Ring.

Definition at line 77 of file ZZ.cpp.

{
  (void) p_parens;
  mpz_srcptr a = ap.get_mpz();
 
  char s[1000];
  char *str;
 
  bool is_neg = (mask_mpz_cmp_si(a, 0) == -1);
  bool is_one = (mask_mpz_cmp_si(a, 1) == 0 || mask_mpz_cmp_si(a, -1) == 0);
 
  int size = static_cast<int>(mpz_sizeinbase(a, 10)) + 2;
 
  char *allocstr = (size > 1000 ? newarray_atomic(char, size) : s);
 
  if (!is_neg && p_plus) o << '+';
  if (is_one)
    {
      if (is_neg) o << '-';
      if (p_one) o << '1';
    }
  else
    {
      str = mpz_get_str(allocstr, 10, a);
      o << str;
    }
  if (size > 1000) freemem(allocstr);
}

References freemem(), ring_elem::get_mpz(), mask_mpz_cmp_si(), newarray_atomic, and s.