coef* t_Fourier(int *amostras, int N)
{
    coef *saida = (coef *)calloc(N, sizeof(coef));
    int n, k;

    for (n = 0;n < N; n++)
    {
        for (k = 0;k < N; k++)
        {
            saida[n].coef += amostras[k] * cexp(  ( -2.0 * M_PI * (((n+1) * k * 1.0) / ( N * 1.0 ) ) ) * _Complex_I );
        }
        if ( n < 5 ) printf ("%lf     %lf\n", __real__ saida[n].coef, __imag__ saida[n].coef );
    }
    return saida;
}


int *amostras;
amostras = (int *)calloc(count, sizeof(int));
rewind(input);
    while(fread(&amostras[i], sizeof(unsigned char), 1, input) > 0)
    {
        i++;
    }
    fclose(input);