module.exports = translate

/**
 * Translate a mat3 by the given vector
 *
 * @alias mat3.translate
 * @param {mat3} out the receiving matrix
 * @param {mat3} a the matrix to translate
 * @param {vec2} v vector to translate by
 * @returns {mat3} out
 */
function translate(out, a, v) {
  var a00 = a[0], a01 = a[1], a02 = a[2]
  var a10 = a[3], a11 = a[4], a12 = a[5]
  var a20 = a[6], a21 = a[7], a22 = a[8]
  var x = v[0], y = v[1]

  out[0] = a00
  out[1] = a01
  out[2] = a02

  out[3] = a10
  out[4] = a11
  out[5] = a12

  out[6] = x * a00 + y * a10 + a20
  out[7] = x * a01 + y * a11 + a21
  out[8] = x * a02 + y * a12 + a22

  return out
}