monaco-editor-core/esm/vs/base/common/numbers.js

A browser based code editor

export function clamp(value, min, max) {
    return Math.min(Math.max(value, min), max);
}
export class MovingAverage {
    constructor() {
        this._n = 1;
        this._val = 0;
    }
    update(value) {
        this._val = this._val + (value - this._val) / this._n;
        this._n += 1;
        return this._val;
    }
    get value() {
        return this._val;
    }
}
export class SlidingWindowAverage {
    constructor(size) {
        this._n = 0;
        this._val = 0;
        this._values = [];
        this._index = 0;
        this._sum = 0;
        this._values = new Array(size);
        this._values.fill(0, 0, size);
    }
    update(value) {
        const oldValue = this._values[this._index];
        this._values[this._index] = value;
        this._index = (this._index + 1) % this._values.length;
        this._sum -= oldValue;
        this._sum += value;
        if (this._n < this._values.length) {
            this._n += 1;
        }
        this._val = this._sum / this._n;
        return this._val;
    }
    get value() {
        return this._val;
    }
}
/** Returns whether the point is within the triangle formed by the following 6 x/y point pairs */
export function isPointWithinTriangle(x, y, ax, ay, bx, by, cx, cy) {
    const v0x = cx - ax;
    const v0y = cy - ay;
    const v1x = bx - ax;
    const v1y = by - ay;
    const v2x = x - ax;
    const v2y = y - ay;
    const dot00 = v0x * v0x + v0y * v0y;
    const dot01 = v0x * v1x + v0y * v1y;
    const dot02 = v0x * v2x + v0y * v2y;
    const dot11 = v1x * v1x + v1y * v1y;
    const dot12 = v1x * v2x + v1y * v2y;
    const invDenom = 1 / (dot00 * dot11 - dot01 * dot01);
    const u = (dot11 * dot02 - dot01 * dot12) * invDenom;
    const v = (dot00 * dot12 - dot01 * dot02) * invDenom;
    return u >= 0 && v >= 0 && u + v < 1;
}
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