/src/main/java/org/htmlunit/util/geometry/Line2D.java
yIntercept_ / = startY_ - slope_ * startX_;
yIntercept_ = startY_ - slope_ * startX_;
if (isVertical_) { slope_ = Double.NaN; yIntercept_ = Double.NaN; } else { slope_ = (endY_ - startY_) / (endX_ - startX_); <extra_id_0> } } public Point2D intersect(final Line2D line) { if (isVertical_ && line.isVertical_) { return null; }