91 static bool check_quadratic(const Cubic& cubic, Quadratic& reduction) {  in check_quadratic()  argument
92     float dx10 = cubic[1].x - cubic[0].x;  in check_quadratic()
93     float dx23 = cubic[2].x - cubic[3].x;  in check_quadratic()
94     float midX = cubic[0].x + dx10 * 3 / 2;  in check_quadratic()
97     if (!approximately_equal(midX, (dx23 * 3 / 2) + cubic[3].x)) {  in check_quadratic()
100     float dy10 = cubic[1].y - cubic[0].y;  in check_quadratic()
101     float dy23 = cubic[2].y - cubic[3].y;  in check_quadratic()
102     float midY = cubic[0].y + dy10 * 3 / 2;  in check_quadratic()
103     if (!approximately_equal(midY, (dy23 * 3 / 2) + cubic[3].y)) {  in check_quadratic()
106     reduction[0] = cubic[0];  in check_quadratic()
109     reduction[2] = cubic[3];  in check_quadratic()
119         Cubic cubic = { { prevPt.x, prevPt.y },  in AddBeziers()  local
124         if (check_quadratic(cubic, quadratic)) {  in AddBeziers()