9 static bool rotate(const SkDCubic& cubic, int zero, int index, SkDCubic& rotPath) {  in rotate()  argument
16         rotPath = cubic;  in rotate()
18             rotPath[index].fY = cubic[zero].fY;  in rotate()
23                 rotPath[side1].fY = cubic[zero].fY;  in rotate()
26                 rotPath[side2].fY = cubic[zero].fY;  in rotate()
32         rotPath[index].fX = cubic[index].fX * dx + cubic[index].fY * dy;  in rotate()
33         rotPath[index].fY = cubic[index].fY * dx - cubic[index].fX * dy;  in rotate()
79             SkDCubic rotPath;  in convexHull()  local
80             if (!rotate(*this, yMin, index, rotPath)) { // ! if cbc[yMin]==cbc[idx]  in convexHull()
85             int sides = side(rotPath[side1].fY - rotPath[yMin].fY);  in convexHull()
86             sides ^= side(rotPath[side2].fY - rotPath[yMin].fY);  in convexHull()