Searched refs:null_line (Results 1 – 3 of 3) sorted by relevance
414 if (null_line(l)) in line_set_length()433 if (null_line(l1) || null_line(l1)) in line_angle_to()453 if (null_line(l1) || null_line(l2)) in line_angles()483 if (null_line(l1) || null_line(l2) || in line_intersect()
628 if (null_line(tangent)) { in bezier_start_tangent()634 if (null_line(tangent)) { in bezier_start_tangent()
395 static INLINE VGboolean null_line(const VGfloat *l) in null_line() function