#!/usr/bin/nodejs

"use strict";

import { fft, initialize } from './fft.js';

const LOG2FFTSIZE = 12

const FFT_REPEAT = 1000

function main() {

const SIZE = 1 << LOG2FFTSIZE

const xy = []

let xy_out = []

for (var i = 0; i < SIZE / 2; i++) xy[i] = [1., 0]

for (; i < SIZE; i++) xy[i] = [-1., 0]

initialize()

// FFT

const starttime = new Date()

for (i = 0; i < FFT_REPEAT; i++) xy_out = fft(LOG2FFTSIZE, xy)

const endtime = new Date()

const eltime = endtime - starttime; // msec

console.log("\n--> " + FFT_REPEAT + " piece of " + (1 << LOG2FFTSIZE) + " pt FFT; " + (eltime / FFT_REPEAT) + " ms/piece")

for (i = 0; i < 6; i++) {

console.log(i + "\t" + xy_out[i][0] + "\t" + xy_out[i][1])

}

return 0

}

main()