mathjs/lib/esm/expression/transform/utils/lastDimToZeroBase.js

Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser with support for symbolic computation, comes with a large set of built-in functions and constants, and offers an integrated solution to work with dif

import { isBigNumber, isCollection, isNumber } from '../../../utils/is.js';

/**
 * Change last argument dim from one-based to zero-based.
 */
export function lastDimToZeroBase(args) {
  if (args.length === 2 && isCollection(args[0])) {
    args = args.slice();
    var dim = args[1];
    if (isNumber(dim)) {
      args[1] = dim - 1;
    } else if (isBigNumber(dim)) {
      args[1] = dim.minus(1);
    }
  }
  return args;
}