while(fread(&aux, sizeof(unsigned char), 1, arq)>0)
    {
        observacoes[i] = aux;
        i++;
    }

    fclose(arq);

    fourier = Fourier(observacoes,tam);
    for(i=0;i<tam;i++)
    {
            if((__real__ fourier[i]<=0.0) || (__imag__ fourier[i]<=0.0))
            numero++;
    }
    printf("%d\n",numero);