float_invariant_round  105 numeric.c      static int float_invariant_round(double number, int ndigits, VALUE *num);
float_invariant_round 1765 numeric.c      	if (float_invariant_round(number, ndigits, &num)) return num;
float_invariant_round 1824 numeric.c          if (float_invariant_round(number, ndigits, &num)) return num;
float_invariant_round 2006 numeric.c          if (float_invariant_round(number, ndigits, &num)) return num;