public Split split()

in commons-geometry-euclidean/src/main/java/org/apache/commons/geometry/euclidean/oned/Interval.java [297:330]

• 24 lines of code
• 11 McCabe index (conditional complexity)

    public Split<Interval> split(final Hyperplane<Vector1D> splitter) {
        final OrientedPoint splitOrientedPoint = (OrientedPoint) splitter;
        final Vector1D splitPoint = splitOrientedPoint.getPoint();

        final HyperplaneLocation splitterMinLoc = (minBoundary != null) ? minBoundary.classify(splitPoint) : null;
        final HyperplaneLocation splitterMaxLoc = (maxBoundary != null) ? maxBoundary.classify(splitPoint) : null;

        Interval low = null;
        Interval high = null;

        if (splitterMinLoc != HyperplaneLocation.ON || splitterMaxLoc != HyperplaneLocation.ON) {

            if (splitterMinLoc != null && splitterMinLoc != HyperplaneLocation.MINUS) {
                // splitter is on or below min boundary
                high = this;
            } else if (splitterMaxLoc != null && splitterMaxLoc != HyperplaneLocation.MINUS) {
                // splitter is on or above max boundary
                low = this;
            } else {
                // the interval is split in two
                low = new Interval(minBoundary, OrientedPoints.createPositiveFacing(
                        splitPoint, splitOrientedPoint.getPrecision()));
                high = new Interval(OrientedPoints.createNegativeFacing(
                        splitPoint, splitOrientedPoint.getPrecision()), maxBoundary);
            }
        }

        // assign minus/plus based on the orientation of the splitter
        final boolean lowIsMinus = splitOrientedPoint.isPositiveFacing();
        final Interval minus = lowIsMinus ? low : high;
        final Interval plus = lowIsMinus ? high : low;

        return new Split<>(minus, plus);
    }