sorting/shellsort

Shellsort which uses the gaps 701, 301, 132, 57, 23, 10, 4, 1 and insertion sort to sort sub-arrays which match for the different gaps.
Source:
Parameters:
Name Type Description
array Array Input array.
cmp function Optional. A function that defines an alternative sort order. The function should return a negative, zero, or positive value, depending on the arguments.
Returns:
Type:
Array
Sorted array.
Example
var sort = require('path-to-algorithms/src/' +
'sorting/shellsort').shellSort;
console.log(sort([2, 5, 1, 0, 4])); // [ 0, 1, 2, 4, 5 ]