/// <summary>
/// Frees the specified plan.
/// </summary>
/// <param name="plan">The plan.</param>
public override void Remove(FFTPlan plan)
{
FFTPlanEx planEx = Plans[plan];
CUFFTResult res = _driver.cufftDestroy(planEx.CudaFFTHandle);
if (res != CUFFTResult.Success)
{
//throw new CudafyHostException(res.ToString());
Debug.WriteLine("remove plan failed: " + res.ToString());
}
else
{
Debug.WriteLine("remove plan succeeded: " + res.ToString());
}
Plans.Remove(plan);
}
/// <summary>
/// Configures the layout of CUFFT output in FFTW‐compatible modes.
/// When FFTW compatibility is desired, it can be configured for padding
/// only, for asymmetric complex inputs only, or to be fully compatible.
/// </summary>
/// <param name="plan">The plan.</param>
/// <param name="mode">The mode.</param>
public override void SetCompatibilityMode(FFTPlan plan, eCompatibilityMode mode)
{
CUFFTCompatibility cumode = (CUFFTCompatibility)mode;
FFTPlanEx planEx = Plans[plan];
CUFFTResult res = _driver.cufftSetCompatibilityMode(planEx.CudaFFTHandle, cumode);
if (res != CUFFTResult.Success)
{
throw new CudafyHostException(res.ToString());
}
}
private void DoExecute(FFTPlan plan, object input, object output, bool inverse = false)
{
FFTPlanEx planEx = Plans[plan];
CUDevicePtrEx inPtrEx;
CUDevicePtrEx outPtrEx;
inPtrEx = _gpu.GetDeviceMemory(input) as CUDevicePtrEx;
outPtrEx = _gpu.GetDeviceMemory(output) as CUDevicePtrEx;
CUFFTDirection dir = inverse ? CUFFTDirection.Inverse : CUFFTDirection.Forward;
CUFFTResult res = CUFFTResult.ExecFailed;
if (planEx.CudaFFTType == CUFFTType.C2C)
{
res = _driver.cufftExecC2C(planEx.CudaFFTHandle, inPtrEx.DevPtr, outPtrEx.DevPtr, dir);
}
else if (planEx.CudaFFTType == CUFFTType.C2R)
{
res = _driver.cufftExecC2R(planEx.CudaFFTHandle, inPtrEx.DevPtr, outPtrEx.DevPtr);
}
else if (planEx.CudaFFTType == CUFFTType.D2Z)
{
res = _driver.cufftExecD2Z(planEx.CudaFFTHandle, inPtrEx.DevPtr, outPtrEx.DevPtr);
}
else if (planEx.CudaFFTType == CUFFTType.R2C)
{
res = _driver.cufftExecR2C(planEx.CudaFFTHandle, inPtrEx.DevPtr, outPtrEx.DevPtr);
}
else if (planEx.CudaFFTType == CUFFTType.Z2D)
{
res = _driver.cufftExecZ2D(planEx.CudaFFTHandle, inPtrEx.DevPtr, outPtrEx.DevPtr);
}
else if (planEx.CudaFFTType == CUFFTType.Z2Z)
{
res = _driver.cufftExecZ2Z(planEx.CudaFFTHandle, inPtrEx.DevPtr, outPtrEx.DevPtr, dir);
}
if (res != CUFFTResult.Success)
{
throw new CudafyMathException(res.ToString());
}
}
