@rayyamhk/matrix/lib/util/empty.js

A professional, comprehensive and high-performance library for you to manipulate matrices.

"use strict";

var _require = require('../Error'),
    INVALID_ROW_COL = _require.INVALID_ROW_COL;

module.exports = function empty(row, col) {
  if (!Number.isInteger(row) || row < 0 || !Number.isInteger(col) || col < 0) {
    throw new Error(INVALID_ROW_COL);
  }

  if (row === 0 || col === 0) {
    return [];
  }

  var matrix = new Array(row);

  for (var i = 0; i < row; i++) {
    matrix[i] = new Array(col);
  }

  return matrix;
};