423     R.angle = function (x1, y1, x2, y2, x3, y3) {  argument
426                 y = y1 - y2;
432             return R.angle(x1, y1, x3, y3) - R.angle(x2, y2, x3, y3);
1277             y2: bbox.max.y,
1296         return x >= bbox.x && x <= bbox.x2 && y >= bbox.y && y <= bbox.y2;
1314             || i(bbox2, bbox1.x, bbox1.y2)
1315             || i(bbox2, bbox1.x2, bbox1.y2)
1318             || i(bbox1, bbox2.x, bbox2.y2)
1319             || i(bbox1, bbox2.x2, bbox2.y2)
1321             && (bbox1.y < bbox2.y2 && bbox1.y > bbox2.y || bbox2.y < bbox1.y2 && bbox2.y > bbox1.y);
1328     function bezlen(x1, y1, x2, y2, x3, y3, x4, y4, z) {  argument
1341                 ybase = base3(ct, y1, y2, y3, y4),
1347     function getTatLen(x1, y1, x2, y2, x3, y3, x4, y4, ll) {  argument
1348         if (ll < 0 || bezlen(x1, y1, x2, y2, x3, y3, x4, y4) < ll) {
1356         l = bezlen(x1, y1, x2, y2, x3, y3, x4, y4, t2);
1360             l = bezlen(x1, y1, x2, y2, x3, y3, x4, y4, t2);
1364     function intersect(x1, y1, x2, y2, x3, y3, x4, y4) {  argument
1368             mmax(y1, y2) < mmin(y3, y4) ||
1369             mmin(y1, y2) > mmax(y3, y4)
1373         var nx = (x1 * y2 - y1 * x2) * (x3 - x4) - (x1 - x2) * (x3 * y4 - y3 * x4),
1374             ny = (x1 * y2 - y1 * x2) * (y3 - y4) - (y1 - y2) * (x3 * y4 - y3 * x4),
1375             denominator = (x1 - x2) * (y3 - y4) - (y1 - y2) * (x3 - x4);
1389             py2 < +mmin(y1, y2).toFixed(2) ||
1390             py2 > +mmax(y1, y2).toFixed(2) ||
1492         var x1, y1, x2, y2, x1m, y1m, x2m, y2m, bez1, bez2,
1513                         y2 = y2m = pj[2];
1516                             bez2 = [x2, y2].concat(pj.slice(1));
1518                             y2 = bez2[7];
1520                             bez2 = [x2, y2, x2, y2, x2m, y2m, x2m, y2m];
1522                             y2 = y2m;
1592             return {x: 0, y: 0, width: 0, height: 0, x2: 0, y2: 0};
1625                 y2: ymax,
1815         l2c = function (x1, y1, x2, y2) {  argument
1816             return [x1, y1, x2, y2, x2, y2];
1818         q2c = function (x1, y1, ax, ay, x2, y2) {  argument
1825                     _13 * y2 + _23 * ay,
1827                     y2
1830         a2c = function (x1, y1, rx, ry, angle, large_arc_flag, sweep_flag, x2, y2, recursive) {  argument
1846                 xy = rotate(x2, y2, -rad);
1848                 y2 = xy.y;
1852                     y = (y1 - y2) / 2;
1864                     cy = k * -ry * x / rx + (y1 + y2) / 2,
1866                     f2 = math.asin(((y2 - cy) / ry).toFixed(9));
1888                     y2old = y2;
1891                 y2 = cy + ry * math.sin(f2);
1892                 res = a2c(x2, y2, rx, ry, angle, 0, sweep_flag, x2old, y2old, [f2, f2old, cx, cy]);
1904                 m3 = [x2 + hx * s2, y2 - hy * c2],
1905                 m4 = [x2, y2];
2254                         y2,
2261                             y2 = inver.y(t[1], t[2]);
2262                             m.translate(x2 - x1, y2 - y1);
2274                                 y2 = inver.y(t[2], t[3]);
2275                                 m.rotate(t[1], x2, y2);
2290                                 y2 = inver.y(t[3], t[4]);
2291                                 m.scale(t[1], t[2], x2, y2);
5006             y2 = [];
5012             y2.push(box.y + box.height);
5017         y2 = mmax[apply](0, y2);
5022             y2: y2,
5024             height: y2 - y