function scale$8(out, a, v) {
    var a0 = a[0],
        a1 = a[1],
        a2 = a[2],
        a3 = a[3];
    var v0 = v[0],
        v1 = v[1];
    out[0] = a0 * v0;
    out[1] = a1 * v0;
    out[2] = a2 * v1;
    out[3] = a3 * v1;
    return out;
  }
Scales the mat2 by the dimensions in the given vec2

@param {mat2} out the receiving matrix
@param {ReadonlyMat2} a the matrix to rotate
@param {ReadonlyVec2} v the vec2 to scale the matrix by
@returns {mat2} out