820     R.angle = function (x1, y1, x2, y2, x3, y3) {  argument
823                 y = y1 - y2;
829             return R.angle(x1, y1, x3, y3) - R.angle(x2, y2, x3, y3);
1663             y2: bbox.max.y,
1682         return x >= bbox.x && x <= bbox.x2 && y >= bbox.y && y <= bbox.y2;
1700             || i(bbox2, bbox1.x, bbox1.y2)
1701             || i(bbox2, bbox1.x2, bbox1.y2)
1704             || i(bbox1, bbox2.x, bbox2.y2)
1705             || i(bbox1, bbox2.x2, bbox2.y2)
1707             && (bbox1.y < bbox2.y2 && bbox1.y > bbox2.y || bbox2.y < bbox1.y2 && bbox2.y > bbox1.y);
1714     function bezlen(x1, y1, x2, y2, x3, y3, x4, y4, z) {  argument
1727                 ybase = base3(ct, y1, y2, y3, y4),
1733     function getTatLen(x1, y1, x2, y2, x3, y3, x4, y4, ll) {  argument
1734         if (ll < 0 || bezlen(x1, y1, x2, y2, x3, y3, x4, y4) < ll) {
1742         l = bezlen(x1, y1, x2, y2, x3, y3, x4, y4, t2);
1746             l = bezlen(x1, y1, x2, y2, x3, y3, x4, y4, t2);
1750     function intersect(x1, y1, x2, y2, x3, y3, x4, y4) {  argument
1754             mmax(y1, y2) < mmin(y3, y4) ||
1755             mmin(y1, y2) > mmax(y3, y4)
1759         var nx = (x1 * y2 - y1 * x2) * (x3 - x4) - (x1 - x2) * (x3 * y4 - y3 * x4),
1760             ny = (x1 * y2 - y1 * x2) * (y3 - y4) - (y1 - y2) * (x3 * y4 - y3 * x4),
1761             denominator = (x1 - x2) * (y3 - y4) - (y1 - y2) * (x3 - x4);
1775             py2 < +mmin(y1, y2).toFixed(2) ||
1776             py2 > +mmax(y1, y2).toFixed(2) ||
1878         var x1, y1, x2, y2, x1m, y1m, x2m, y2m, bez1, bez2,
1899                         y2 = y2m = pj[2];
1902                             bez2 = [x2, y2].concat(pj.slice(1));
1904                             y2 = bez2[7];
1906                             bez2 = [x2, y2, x2, y2, x2m, y2m, x2m, y2m];
1908                             y2 = y2m;
1978             return {x: 0, y: 0, width: 0, height: 0, x2: 0, y2: 0};
2011                 y2: ymax,
2201         l2c = function (x1, y1, x2, y2) {  argument
2202             return [x1, y1, x2, y2, x2, y2];
2204         q2c = function (x1, y1, ax, ay, x2, y2) {  argument
2211                     _13 * y2 + _23 * ay,
2213                     y2
2216         a2c = function (x1, y1, rx, ry, angle, large_arc_flag, sweep_flag, x2, y2, recursive) {  argument
2232                 xy = rotate(x2, y2, -rad);
2234                 y2 = xy.y;
2238                     y = (y1 - y2) / 2;
2250                     cy = k * -ry * x / rx + (y1 + y2) / 2,
2252                     f2 = math.asin(((y2 - cy) / ry).toFixed(9));
2274                     y2old = y2;
2277                 y2 = cy + ry * math.sin(f2);
2278                 res = a2c(x2, y2, rx, ry, angle, 0, sweep_flag, x2old, y2old, [f2, f2old, cx, cy]);
2290                 m3 = [x2 + hx * s2, y2 - hy * c2],
2291                 m4 = [x2, y2];
2609                         y2,
2616                             y2 = inver.y(t[1], t[2]);
2617                             m.translate(x2 - x1, y2 - y1);
2629                                 y2 = inver.y(t[2], t[3]);
2630                                 m.rotate(t[1], x2, y2);
2645                                 y2 = inver.y(t[3], t[4]);
2646                                 m.scale(t[1], t[2], x2, y2);
5353             y2 = [];
5359             y2.push(box.y + box.height);
5364         y2 = mmax[apply](0, y2);
5369             y2: y2,
5371             height: y2 - y
5873                     y2: vector[3],