1 files changed, 0 insertions, 207 deletions
diff --git a/cuda/2d/fft.cu b/cuda/2d/fft.cu
index 2e94b79..8361ad2 100644
--- a/cuda/2d/fft.cu
+++ b/cuda/2d/fft.cu
@@ -314,210 +314,3 @@ void genCuFFTFilter(const SFilterConfig &_cfg, int _iProjectionCount,
 
 
 }
-
-
-#ifdef STANDALONE
-
-__global__ static void doubleFourierOutput_kernel(int _iProjectionCount,
-                                                  int _iDetectorCount,
-                                                  cufftComplex* _pFourierOutput)
-{
-	int iIndex = threadIdx.x + blockIdx.x * blockDim.x;
-	int iProjectionIndex = iIndex / _iDetectorCount;
-	int iDetectorIndex = iIndex % _iDetectorCount;
-
-	if(iProjectionIndex >= _iProjectionCount)
-	{
-		return;
-	}
-
-	if(iDetectorIndex <= (_iDetectorCount / 2))
-	{
-		return;
-	}
-
-	int iOtherDetectorIndex = _iDetectorCount - iDetectorIndex;
-
-	_pFourierOutput[iProjectionIndex * _iDetectorCount + iDetectorIndex].x = _pFourierOutput[iProjectionIndex * _iDetectorCount + iOtherDetectorIndex].x;
-	_pFourierOutput[iProjectionIndex * _iDetectorCount + iDetectorIndex].y = -_pFourierOutput[iProjectionIndex * _iDetectorCount + iOtherDetectorIndex].y;
-}
-
-static void doubleFourierOutput(int _iProjectionCount, int _iDetectorCount,
-                                cufftComplex * _pFourierOutput)
-{
-	const int iBlockSize = 256;
-	int iElementCount = _iProjectionCount * _iDetectorCount;
-	int iBlockCount = (iElementCount + iBlockSize - 1) / iBlockSize;
-
-	doubleFourierOutput_kernel<<< iBlockCount, iBlockSize >>>(_iProjectionCount,
-	                                                          _iDetectorCount,
-	                                                          _pFourierOutput);
-	CHECK_ERROR("doubleFourierOutput_kernel failed");
-}
-
-
-
-static void writeToMatlabFile(const char * _fileName, const float * _pfData,
-                              int _iRowCount, int _iColumnCount)
-{
-	std::ofstream out(_fileName);
-
-	for(int iRowIndex = 0; iRowIndex < _iRowCount; iRowIndex++)
-	{
-		for(int iColumnIndex = 0; iColumnIndex < _iColumnCount; iColumnIndex++)
-		{
-			out << _pfData[iColumnIndex + iRowIndex * _iColumnCount] << " ";
-		}
-
-		out << std::endl;
-	}
-}
-
-static void convertComplexToRealImg(const cufftComplex * _pComplex,
-                                    int _iElementCount,
-                                    float * _pfReal, float * _pfImaginary)
-{
-	for(int iIndex = 0; iIndex < _iElementCount; iIndex++)
-	{
-		_pfReal[iIndex] = _pComplex[iIndex].x;
-		_pfImaginary[iIndex] = _pComplex[iIndex].y;
-	}
-}
-
-void testCudaFFT()
-{
-	const int iProjectionCount = 2;
-	const int iDetectorCount = 1024;
-	const int iTotalElementCount = iProjectionCount * iDetectorCount;
-
-	float * pfHostProj = new float[iTotalElementCount];
-	memset(pfHostProj, 0, sizeof(float) * iTotalElementCount);
-
-	for(int iProjectionIndex = 0; iProjectionIndex < iProjectionCount; iProjectionIndex++)
-	{
-		for(int iDetectorIndex = 0; iDetectorIndex < iDetectorCount; iDetectorIndex++)
-		{
-//			int
-
-//			pfHostProj[iIndex] = (float)rand() / (float)RAND_MAX;
-		}
-	}
-
-	writeToMatlabFile("proj.mat", pfHostProj, iProjectionCount, iDetectorCount);
-
-	float * pfDevProj = NULL;
-	SAFE_CALL(cudaMalloc((void **)&pfDevProj, sizeof(float) * iTotalElementCount));
-	SAFE_CALL(cudaMemcpy(pfDevProj, pfHostProj, sizeof(float) * iTotalElementCount, cudaMemcpyHostToDevice));
-
-	cufftComplex * pDevFourProj = NULL;
-	SAFE_CALL(cudaMalloc((void **)&pDevFourProj, sizeof(cufftComplex) * iTotalElementCount));
-
-	cufftHandle plan;
-	cufftResult result;
-
-	result = cufftPlan1d(&plan, iDetectorCount, CUFFT_R2C, iProjectionCount);
-	if(result != CUFFT_SUCCESS)
-	{
-		ASTRA_ERROR("Failed to plan 1d r2c fft");
-	}
-
-	result = cufftExecR2C(plan, pfDevProj, pDevFourProj);
-	if(result != CUFFT_SUCCESS)
-	{
-		ASTRA_ERROR("Failed to exec 1d r2c fft");
-	}
-
-	cufftDestroy(plan);
-
-	doubleFourierOutput(iProjectionCount, iDetectorCount, pDevFourProj);
-
-	cufftComplex * pHostFourProj = new cufftComplex[iTotalElementCount];
-	SAFE_CALL(cudaMemcpy(pHostFourProj, pDevFourProj, sizeof(cufftComplex) * iTotalElementCount, cudaMemcpyDeviceToHost));
-
-	float * pfHostFourProjReal = new float[iTotalElementCount];
-	float * pfHostFourProjImaginary = new float[iTotalElementCount];
-
-	convertComplexToRealImg(pHostFourProj, iTotalElementCount, pfHostFourProjReal, pfHostFourProjImaginary);
-
-	writeToMatlabFile("proj_four_real.mat", pfHostFourProjReal, iProjectionCount, iDetectorCount);
-	writeToMatlabFile("proj_four_imaginary.mat", pfHostFourProjImaginary, iProjectionCount, iDetectorCount);
-
-	float * pfDevInFourProj = NULL;
-	SAFE_CALL(cudaMalloc((void **)&pfDevInFourProj, sizeof(float) * iTotalElementCount));
-
-	result = cufftPlan1d(&plan, iDetectorCount, CUFFT_C2R, iProjectionCount);
-	if(result != CUFFT_SUCCESS)
-	{
-		ASTRA_ERROR("Failed to plan 1d c2r fft");
-	}
-
-	result = cufftExecC2R(plan, pDevFourProj, pfDevInFourProj);
-	if(result != CUFFT_SUCCESS)
-	{
-		ASTRA_ERROR("Failed to exec 1d c2r fft");
-	}
-
-	cufftDestroy(plan);
-
-	rescaleInverseFourier(iProjectionCount, iDetectorCount, pfDevInFourProj);
-
-	float * pfHostInFourProj = new float[iTotalElementCount];
-	SAFE_CALL(cudaMemcpy(pfHostInFourProj, pfDevInFourProj, sizeof(float) * iTotalElementCount, cudaMemcpyDeviceToHost));
-
-	writeToMatlabFile("in_four.mat", pfHostInFourProj, iProjectionCount, iDetectorCount);
-
-	SAFE_CALL(cudaFree(pDevFourProj));
-	SAFE_CALL(cudaFree(pfDevProj));
-
-	delete [] pfHostInFourProj;
-	delete [] pfHostFourProjReal;
-	delete [] pfHostFourProjImaginary;
-	delete [] pfHostProj;
-	delete [] pHostFourProj;
-}
-
-void downloadDebugFilterComplex(float * _pfHostSinogram, int _iProjectionCount,
-                                int _iDetectorCount,
-                                cufftComplex * _pDevFilter,
-                                int _iFilterDetCount)
-{
-	cufftComplex * pHostFilter = NULL;
-	size_t complMemSize = sizeof(cufftComplex) * _iFilterDetCount * _iProjectionCount;
-	pHostFilter = (cufftComplex *)malloc(complMemSize);
-	SAFE_CALL(cudaMemcpy(pHostFilter, _pDevFilter, complMemSize, cudaMemcpyDeviceToHost));
-
-	for(int iTargetProjIndex = 0; iTargetProjIndex < _iProjectionCount; iTargetProjIndex++)
-	{
-		for(int iTargetDetIndex = 0; iTargetDetIndex < min(_iDetectorCount, _iFilterDetCount); iTargetDetIndex++)
-		{
-			cufftComplex source = pHostFilter[iTargetDetIndex + iTargetProjIndex * _iFilterDetCount];
-			float fReadValue = sqrtf(source.x * source.x + source.y * source.y);
-			_pfHostSinogram[iTargetDetIndex + iTargetProjIndex * _iDetectorCount] = fReadValue;
-		}
-	}
-
-	free(pHostFilter);
-}
-
-void downloadDebugFilterReal(float * _pfHostSinogram, int _iProjectionCount,
-                             int _iDetectorCount, float * _pfDevFilter,
-                             int _iFilterDetCount)
-{
-	float * pfHostFilter = NULL;
-	size_t memSize = sizeof(float) * _iFilterDetCount * _iProjectionCount;
-	pfHostFilter = (float *)malloc(memSize);
-	SAFE_CALL(cudaMemcpy(pfHostFilter, _pfDevFilter, memSize, cudaMemcpyDeviceToHost));
-
-	for(int iTargetProjIndex = 0; iTargetProjIndex < _iProjectionCount; iTargetProjIndex++)
-	{
-		for(int iTargetDetIndex = 0; iTargetDetIndex < min(_iDetectorCount, _iFilterDetCount); iTargetDetIndex++)
-		{
-			float fSource = pfHostFilter[iTargetDetIndex + iTargetProjIndex * _iFilterDetCount];
-			_pfHostSinogram[iTargetDetIndex + iTargetProjIndex * _iDetectorCount] = fSource;
-		}
-	}
-
-	free(pfHostFilter);
-}
-
-#endif