import { describe, expect, it } from '@jest/globals';


import { scaleFloatsToBigints } from '../../src/scale-to-int/scale-floats-to-bigints.js';


describe('scaleFloatsToBigints', function() {
    it('should scale the given array of floats to bigints', 
    function() {
        let p = [0.000000000000000001, 324345345345341.1, 2, 3];
        let res = scaleFloatsToBigints(p);
        expect(res).toEqual([
            1298074214633707n,
              421024329429252125037909724959982329298589581312n,
              2596148429267413814265248164610048n,
              3894222643901120721397872246915072n
        ]);

        let p3 = [0, 2];
        let res3 = scaleFloatsToBigints(p3);
        expect(res3).toEqual([
            0n, 1n
        ]);

        let p4 = [
            1,
            -3.08,
            3.6491000000000002,
            -2.1202,
            0.6470400000000001,
            -0.103545,
            0.008074890000000001,
            -0.00024057,
            0
        ]
        let res4 = scaleFloatsToBigints(p4);
        //console.log(res4);
        expect(res4).toEqual([
             18446744073709551616n,
            -56815971747025420288n,
             67314013799373529088n,
            -39110786785078992896n,
              11935781285453029376n,
             -1910068115112255488n,
               148955429253356544n,
                -4437733221812307n,
                0n
        ]);


        // the trivial case
        let p5 = [3, 7];
        let res5 = scaleFloatsToBigints(p5);
        expect(res5).toEqual([
            3n, 7n
        ]);
    });
});