public fft(int n, window_type wt)
{
fftLength = n;
pin = fftw.malloc(n * 2 * sizeof(double));
pout = fftw.malloc(n * 2 * sizeof(double));
fin = new double[2 * n];
fout1 = new double[2 * n];
fout2 = new double[2 * n];
window = new double[n];
freq = new double[n / 2];
winfunc = wt;
makewindow();
for (int i = 0; i < 2 * n; i++)
{
fin[i] = 0.0;
}
for (int i = 0; i < n / 2; i++)
{
freq[i] = (double)i / (n / 2) * 48000 / 2;
}
fplan = fftw.dft_r2c_1d(n, pin, pout, fftw_flags.Estimate);
}
public void setwindow(window_type wf)
{
if (wf != winfunc)
{
winfunc = wf;
makewindow();
}
}