PerformanceTests/JetStream2/cdjs/vector_2d.js

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// Copyright (C) 2015 Apple Inc. All rights reserved.
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function Vector2D(x, y) {
    this.x = x;
    this.y = y;
}

Vector2D.prototype.plus = function(other) {
    return new Vector2D(this.x + other.x,
                        this.y + other.y);
};

Vector2D.prototype.minus = function(other) {
    return new Vector2D(this.x - other.x,
                        this.y - other.y);
};

Vector2D.prototype.toString = function() {
    return "[" + this.x + ", " + this.y + "]";
};

Vector2D.prototype.compareTo = function(other) {
    var result = compareNumbers(this.x, other.x);
    if (result)
        return result;
    return compareNumbers(this.y, other.y);
};