23     if (fPts[endIndex].fY == fPts[ctrlIndex].fY) {  in align()
24         dstPt->fY = fPts[endIndex].fY;  in align()
42                 && approximately_equal_half(lessPt.fY, cubicAtT.fY)) {  in binarySearch()
61                     && approximately_equal_half(morePt.fY, cubicAtT.fY)) {  in binarySearch()
111         dst.pts[1].fY = (fPts[0].fY + fPts[1].fY) / 2;  in chopAt()
113         dst.pts[2].fY = (fPts[0].fY + 2 * fPts[1].fY + fPts[2].fY) / 4;  in chopAt()
115         dst.pts[3].fY = (fPts[0].fY + 3 * (fPts[1].fY + fPts[2].fY) + fPts[3].fY) / 8;  in chopAt()
117         dst.pts[4].fY = (fPts[1].fY + 2 * fPts[2].fY + fPts[3].fY) / 4;  in chopAt()
119         dst.pts[5].fY = (fPts[2].fY + fPts[3].fY) / 2;  in chopAt()
124     interp_cubic_coords(&fPts[0].fY, &dst.pts[0].fY, t);  in chopAt()
141             || (between(fPts[0].fY, fPts[1].fY, fPts[3].fY)  in endsAreExtremaInXOrY()
142             && between(fPts[0].fY, fPts[2].fY, fPts[3].fY));  in endsAreExtremaInXOrY()
165         double origY = endPt[0]->fY;  in hullIntersects()
167         double opp = endPt[1]->fY - origY;  in hullIntersects()
170         double sign = (fPts[oddMan].fY - origY) * adj - (fPts[oddMan].fX - origX) * opp;  in hullIntersects()
172         double sign2 = (fPts[oddMan2].fY - origY) * adj - (fPts[oddMan2].fX - origX) * opp;  in hullIntersects()
185             double test = (pts[n].fY - origY) * adj - (pts[n].fX - origX) * opp;  in hullIntersects()
219     double tiniest = SkTMin(SkTMin(SkTMin(SkTMin(SkTMin(SkTMin(SkTMin(fPts[0].fX, fPts[0].fY),  in isLinear()
220             fPts[1].fX), fPts[1].fY), fPts[2].fX), fPts[2].fY), fPts[3].fX), fPts[3].fY);  in isLinear()
221     double largest = SkTMax(SkTMax(SkTMax(SkTMax(SkTMax(SkTMax(SkTMax(fPts[0].fX, fPts[0].fY),  in isLinear()
222             fPts[1].fX), fPts[1].fY), fPts[2].fX), fPts[2].fY), fPts[3].fX), fPts[3].fY);  in isLinear()
297     return precisely_between(fPts[0].fY, fPts[1].fY, fPts[3].fY)  in monotonicInY()
298             && precisely_between(fPts[0].fY, fPts[2].fY, fPts[3].fY);  in monotonicInY()
473     SkDVector result = { derivative_at_t(&fPts[0].fX, t), derivative_at_t(&fPts[0].fY, t) };  in dxdyAtT()
474     if (result.fX == 0 && result.fY == 0) {  in dxdyAtT()
483         if (result.fX == 0 && result.fY == 0 && zero_or_one(t)) {  in dxdyAtT()
493     double Ay = fPts[1].fY - fPts[0].fY;  in findInflections()
495     double By = fPts[2].fY - 2 * fPts[1].fY + fPts[0].fY;  in findInflections()
497     double Cy = fPts[3].fY + 3 * (fPts[1].fY - fPts[2].fY) - fPts[0].fY;  in findInflections()
546     formulate_F1DotF2(&fPts[0].fY, coeffY);  in findMaxCurvature()
568             a * fPts[0].fY + b * fPts[1].fY + c * fPts[2].fY + d * fPts[3].fY};  in ptAtT()
639     double ay = dst[0].fY = interp_cubic_coords(&fPts[0].fY, t1);  in subDivide()
641     double ey = interp_cubic_coords(&fPts[0].fY, (t1*2+t2)/3);  in subDivide()
643     double fy = interp_cubic_coords(&fPts[0].fY, (t1+t2*2)/3);  in subDivide()
645     double dy = dst[3].fY = interp_cubic_coords(&fPts[0].fY, t2);  in subDivide()
651     /* by = */ dst[1].fY = (my * 2 - ny) / 18;  in subDivide()
653     /* cy = */ dst[2].fY = (ny * 2 - my) / 18;  in subDivide()
674     if (AlmostBequalUlps(dst[0].fY, a.fY)) {  in subDivide()
675         dst[0].fY = a.fY;  in subDivide()
680     if (AlmostBequalUlps(dst[1].fY, d.fY)) {  in subDivide()
681         dst[1].fY = d.fY;  in subDivide()
688     int roots = SkDCubic::FindExtrema(&fPts[0].fY, extremeTs);  in top()
692         if (topPt->fY > mid.fY || (topPt->fY == mid.fY && topPt->fX > mid.fX)) {  in top()