/src/main/java/org/htmlunit/util/geometry/Line2D.java
endX_ = x2;endY_ = y2;
endY_ = y2;
this(start.getX(), start.getY(), end.getX(), end.getY()); } public Line2D(final double x1, final double y1, final double x2, final double y2) { startX_ = x1; startY_ = y1; endX_ = x2; <extra_id_0> isVertical_ = Math.abs(startX_ - endX_) < epsilon; if (isVertical_) { slope_ = Double.NaN; yIntercept_ = Double.NaN; } else {