#!/usr/bin/nodejs

"use strict";

var fft = require('./fft');

var LOG2FFTSIZE=12

var FFT_REPEAT=1000

var xy = [];

var xy_out = [];

function main() {

var i;

var eltime;

var SIZE=1<<LOG2FFTSIZE;

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

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

// FFT

var starttime = new Date();

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

var endtime = new Date();

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();