public static fftw_plan dft_many(eFFTType fftType, int rank, int[] n, int batch,
IntPtr input, int[] inembed,
int istride, int idist,
IntPtr output, int[] onembed,
int ostride, int odist,
fftw_direction sign, fftw_flags flags)
{
fftw_plan p = new fftw_plan();
if (fftType == eFFTType.Complex2Complex)
{
p._handle = fftw.many_dft(rank, n, batch, input, inembed, istride, idist, output, onembed, ostride, odist, sign, flags);
}
else if (fftType == eFFTType.Real2Complex)
{
p._handle = fftw.many_dft_r2c(rank, n, batch, input, inembed, istride, idist, output, onembed, ostride, odist, flags);
}
else if (fftType == eFFTType.Complex2Real)
{
p._handle = fftw.many_dft_c2r(rank, n, batch, input, inembed, istride, idist, output, onembed, ostride, odist, flags);
}
p.Input = input;
p.Output = output;
return(p);
}
/// <summary>
/// Creates plan..
/// </summary>
/// <param name="fftType">FFT type.</param>
/// <param name="n">The n.</param>
/// <param name="input">The input.</param>
/// <param name="output">The output.</param>
/// <param name="direction">The direction.</param>
/// <param name="flags">The flags.</param>
/// <returns></returns>
public static fftw_plan dft_1d(eFFTType fftType, int n, IntPtr input, IntPtr output, fftw_direction direction, fftw_flags flags)
{
fftw_plan p = new fftw_plan();
if (fftType == eFFTType.Complex2Complex)
{
p._handle = fftw.dft_1d(n, input, output, direction, flags);
}
else if (fftType == eFFTType.Real2Complex)
{
p._handle = fftw.dft_r2c_1d(n, input, output, flags);
}
else if (fftType == eFFTType.Complex2Real)
{
p._handle = fftw.dft_c2r_1d(n, input, output, flags);
}
p.Input = input;
p.Output = output;
return(p);
}
/// <summary>
/// DFT_3Ds the specified FFT type.
/// </summary>
/// <param name="fftType">Type of the FFT.</param>
/// <param name="nx">The nx.</param>
/// <param name="ny">The ny.</param>
/// <param name="nz">The nz.</param>
/// <param name="input">The input.</param>
/// <param name="output">The output.</param>
/// <param name="direction">The direction.</param>
/// <param name="flags">The flags.</param>
/// <returns></returns>
public static fftw_plan dft_3d(eFFTType fftType, int nx, int ny, int nz, IntPtr input, IntPtr output, fftw_direction direction, fftw_flags flags)
{
fftw_plan p = new fftw_plan();
// p._handle = fftwf.dft_3d(nx, ny, nz, input, output, direction, flags);
if (fftType == eFFTType.Complex2Complex)
p._handle = fftw.dft_3d(nx, ny, nz, input, output, direction, flags);
else if (fftType == eFFTType.Real2Complex)
p._handle = fftw.dft_r2c_3d(nx, ny, nz, input, output, flags);
else if (fftType == eFFTType.Complex2Real)
p._handle = fftw.dft_c2r_3d(nx, ny, nz, input, output, flags);
p.Input = input;
p.Output = output;
return p;
}
public static fftw_plan dft_many(eFFTType fftType, int rank, int[] n, int batch,
IntPtr input, int[] inembed,
int istride, int idist,
IntPtr output, int[] onembed,
int ostride, int odist,
fftw_direction sign, fftw_flags flags)
{
fftw_plan p = new fftw_plan();
if (fftType == eFFTType.Complex2Complex)
p._handle = fftw.many_dft(rank, n, batch, input, inembed, istride, idist, output, onembed, ostride, odist, sign, flags);
else if (fftType == eFFTType.Real2Complex)
p._handle = fftw.many_dft_r2c(rank, n, batch, input, inembed, istride, idist, output, onembed, ostride, odist, flags);
else if (fftType == eFFTType.Complex2Real)
p._handle = fftw.many_dft_c2r(rank, n, batch, input, inembed, istride, idist, output, onembed, ostride, odist, flags);
p.Input = input;
p.Output = output;
return p;
}