Method setScalar

docs/app/js/sanddance-app.js:69352–69355

(a)

        return this.subtract(a);
    }
    setScalar(a) {
        for(let i = 0; i < this.ELEMENTS; ++i)this[i] = a;
        return this.check();
    }
    addScalar(a) {
        for(let i = 0; i < this.ELEMENTS; ++i)this[i] += a;
        return this.check();