Lines Matching refs:_is_zero
1003 sub _is_zero
1665 while (!_is_zero($c,$x1) && !_is_zero($c,$y1))
1700 while (!_is_zero($c,$x1) && !_is_zero($c,$y1))
1716 _add($c,$x, _mul($c, $x1, $m) ) if !_is_zero($c,$x1);
1717 _add($c,$x, _mul($c, $y1, $m) ) if !_is_zero($c,$y1);
1736 while (!_is_zero($c,$x1) && !_is_zero($c,$y1))
1752 _add($c,$x, _mul($c, $x1, $m) ) if !_is_zero($c,$x1);
1753 _add($c,$x, _mul($c, $y1, $m) ) if !_is_zero($c,$y1);
1782 # while (! _is_zero($c,$x1))
1783 while (@$x1 != 1 || $x1->[0] != 0) # _is_zero()
1822 # while (! _is_zero($c,$x1))
1823 while (!(@$x1 == 1 && $x1->[0] == 0)) # _is_zero()
1892 while (!_is_zero($c,$b))
1952 while (! _is_zero($c,$y))
2033 _is_zero(obj) return true if argument is 0