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/* eslint no-shadow: 0 */
const test = require("tap").test;const cK = require("../").ckmeans;
test("C k-means", function (t) {    t.ok(cK, "exports fn");
    t.throws(function () {        cK([], 10);    }, "Cannot generate more values than input");
    t.same(cK([1], 1), [[1]], "single-value case");
    t.same(cK([1, 1, 1, 1], 1), [[1, 1, 1, 1]], "same-value case");
    const exampleInput = [-1, 2, -1, 2, 4, 5, 6, -1, 2, -1];    const example = cK(exampleInput, 3);
    t.same(example, [        [-1, -1, -1, -1],        [2, 2, 2],        [4, 5, 6]    ]);    t.same(cK([1, 2, 3], 3), [[1], [2], [3]]);
    t.same(cK([0, 3, 4], 2), [[0], [3, 4]]);    t.same(cK([-3, 0, 4], 2), [[-3, 0], [4]]);
    t.same(cK([1, 2, 2, 3], 3), [[1], [2, 2], [3]]);    t.same(cK([1, 2, 2, 3, 3], 3), [[1], [2, 2], [3, 3]]);    t.same(cK([1, 2, 3, 2, 3], 3), [[1], [2, 2], [3, 3]]);    t.same(cK([3, 2, 3, 2, 1], 3), [[1], [2, 2], [3, 3]]);    t.same(cK([3, 2, 3, 5, 2, 1], 3), [[1, 2, 2], [3, 3], [5]]);
    t.same(cK([0, 1, 2, 100, 101, 103], 2), [        [0, 1, 2],        [100, 101, 103]    ]);    t.same(cK([0, 1, 2, 50, 100, 101, 103], 3), [        [0, 1, 2],        [50],        [100, 101, 103]    ]);
    // Covers a floating point imprecision edge case    t.same(cK([64.64249127327881, 64.64249127328245, 57.79216426169771], 2), [        [57.79216426169771],        [64.64249127327881, 64.64249127328245]    ]);
    t.end();});