Artifact fb13ffa62d2694a214d67795a63307c9ccb28c414bd30ed42a80a32529446139:

• File public/teoria-master/lib/vector.js — part of check-in [12a9bb700d] at 2021-08-11 18:56:04 on branch trunk — Import from git Added a changelog (user: dev size: 484)

module.exports = {
  add: function(note, interval) {
    return [note[0] + interval[0], note[1] + interval[1]];
  },

  sub: function(note, interval) {
    return [note[0] - interval[0], note[1] - interval[1]];
  },

  mul: function(note, interval) {
    if (typeof interval === 'number')
      return [note[0] * interval, note[1] * interval];
    else
      return [note[0] * interval[0], note[1] * interval[1]];
  },

  sum: function(coord) {
    return coord[0] + coord[1];
  }
};