Detabbed sources

include/clFFT.h

@@ -63,44 +63,44 @@ extern "C" {
 // XForm type
 typedef enum
 {
-	clFFT_Forward	= 	-1,
-	clFFT_Inverse	= 	 1
+    clFFT_Forward   =   -1,
+    clFFT_Inverse   =    1
 
 }clFFT_Direction;
 
 // XForm dimension
 typedef enum
 {
-	clFFT_1D	= 0,
-	clFFT_2D	= 1,
-	clFFT_3D	= 3
+    clFFT_1D    = 0,
+    clFFT_2D    = 1,
+    clFFT_3D    = 3
 
 }clFFT_Dimension;
 
 // XForm Data type
 typedef enum
 {
-	clFFT_SplitComplexFormat       = 0,
-	clFFT_InterleavedComplexFormat = 1
+    clFFT_SplitComplexFormat       = 0,
+    clFFT_InterleavedComplexFormat = 1
 }clFFT_DataFormat;
 
 typedef struct
 {
-	unsigned int x;
-	unsigned int y;
-	unsigned int z;
+    unsigned int x;
+    unsigned int y;
+    unsigned int z;
 }clFFT_Dim3;
 
 typedef struct
 {
-	float *real;
-	float *imag;
+    float *real;
+    float *imag;
 } clFFT_SplitComplex;
 
 typedef struct
 {
-	float real;
-	float imag;
+    float real;
+    float imag;
 }clFFT_Complex;
 
 typedef void* clFFT_Plan;
@@ -110,19 +110,19 @@ clFFT_Plan clFFT_CreatePlan( cl_context context, clFFT_Dim3 n, clFFT_Dimension d
 void clFFT_DestroyPlan( clFFT_Plan plan );
 
 cl_int clFFT_ExecuteInterleaved( cl_command_queue queue, clFFT_Plan plan, cl_int batchSize, clFFT_Direction dir,
-								 cl_mem data_in, cl_mem data_out,
-								 cl_int num_events, cl_event *event_list, cl_event *event );
+                                 cl_mem data_in, cl_mem data_out,
+                                 cl_int num_events, cl_event *event_list, cl_event *event );
 
 cl_int clFFT_ExecutePlannar( cl_command_queue queue, clFFT_Plan plan, cl_int batchSize, clFFT_Direction dir,
-							 cl_mem data_in_real, cl_mem data_in_imag, cl_mem data_out_real, cl_mem data_out_imag,
-							 cl_int num_events, cl_event *event_list, cl_event *event );
+                             cl_mem data_in_real, cl_mem data_in_imag, cl_mem data_out_real, cl_mem data_out_imag,
+                             cl_int num_events, cl_event *event_list, cl_event *event );
 
 cl_int clFFT_1DTwistInterleaved(clFFT_Plan Plan, cl_command_queue queue, cl_mem array,
-						        size_t numRows, size_t numCols, size_t startRow, size_t rowsToProcess, clFFT_Direction dir);
+                                size_t numRows, size_t numCols, size_t startRow, size_t rowsToProcess, clFFT_Direction dir);
 
 
 cl_int clFFT_1DTwistPlannar(clFFT_Plan Plan, cl_command_queue queue, cl_mem array_real, cl_mem array_imag,
-					        size_t numRows, size_t numCols, size_t startRow, size_t rowsToProcess, clFFT_Direction dir);
+                            size_t numRows, size_t numCols, size_t startRow, size_t rowsToProcess, clFFT_Direction dir);
 
 void clFFT_DumpPlan( clFFT_Plan plan, FILE *file);
 

src/fft_internal.h

@@ -58,104 +58,104 @@ using namespace std;
 
 typedef enum kernel_dir_t
 {
-	cl_fft_kernel_x,
-	cl_fft_kernel_y,
-	cl_fft_kernel_z
+    cl_fft_kernel_x,
+    cl_fft_kernel_y,
+    cl_fft_kernel_z
 }cl_fft_kernel_dir;
 
 typedef struct kernel_info_t
 {
-	cl_kernel kernel;
-	char *kernel_name;
-	size_t lmem_size;
-	size_t num_workgroups;
+    cl_kernel kernel;
+    char *kernel_name;
+    size_t lmem_size;
+    size_t num_workgroups;
     size_t num_xforms_per_workgroup;
-	size_t num_workitems_per_workgroup;
-	cl_fft_kernel_dir dir;
-	int in_place_possible;
-	kernel_info_t *next;
+    size_t num_workitems_per_workgroup;
+    cl_fft_kernel_dir dir;
+    int in_place_possible;
+    kernel_info_t *next;
 }cl_fft_kernel_info;
 
 typedef struct
 {
-	// context in which fft resources are created and kernels are executed
-	cl_context              context;
-
-	// size of signal
-	clFFT_Dim3              n;
-
-	// dimension of transform ... must be either 1D, 2D or 3D
-	clFFT_Dimension			dim;
-
-	// data format ... must be either interleaved or plannar
-	clFFT_DataFormat		format;
-
-	// string containing kernel source. Generated at runtime based on
-	// n, dim, format and other parameters
-	string                  *kernel_string;
-
-	// CL program containing source and kernel this particular
-	// n, dim, data format
-	cl_program				program;
-
-	// linked list of kernels which needs to be executed for this fft
-	cl_fft_kernel_info		*kernel_info;
-
-	// number of kernels
-	int                     num_kernels;
-
-	// twist kernel for virtualizing fft of very large sizes that do not
-	// fit in GPU global memory
-	cl_kernel				twist_kernel;
-
-	// flag indicating if temporary intermediate buffer is needed or not.
-	// this depends on fft kernels being executed and if transform is
-	// in-place or out-of-place. e.g. Local memory fft (say 1D 1024 ...
-	// one that does not require global transpose do not need temporary buffer)
-	// 2D 1024x1024 out-of-place fft however do require intermediate buffer.
-	// If temp buffer is needed, its allocation is lazy i.e. its not allocated
-	// until its needed
-	cl_int                  temp_buffer_needed;
-
-	// Batch size is runtime parameter and size of temporary buffer (if needed)
-	// depends on batch size. Allocation of temporary buffer is lazy i.e. its
-	// only created when needed. Once its created at first call of clFFT_Executexxx
-	// it is not allocated next time if next time clFFT_Executexxx is called with
-	// batch size different than the first call. last_batch_size caches the last
-	// batch size with which this plan is used so that we dont keep allocating/deallocating
-	// temp buffer if same batch size is used again and again.
-	size_t                  last_batch_size;
-
-	// temporary buffer for interleaved plan
-	cl_mem   				tempmemobj;
-
-	// temporary buffer for planner plan. Only one of tempmemobj or
-	// (tempmemobj_real, tempmemobj_imag) pair is valid (allocated) depending
-	// data format of plan (plannar or interleaved)
-	cl_mem                  tempmemobj_real, tempmemobj_imag;
-
-	// Maximum size of signal for which local memory transposed based
-	// fft is sufficient i.e. no global mem transpose (communication)
-	// is needed
-	size_t					max_localmem_fft_size;
-
-	// Maximum work items per work group allowed. This, along with max_radix below controls
-	// maximum local memory being used by fft kernels of this plan. Set to 256 by default
-	size_t                  max_work_item_per_workgroup;
-
-	// Maximum base radix for local memory fft ... this controls the maximum register
-	// space used by work items. Currently defaults to 16
-	size_t                  max_radix;
-
-	// Device depended parameter that tells how many work-items need to be read consecutive
-	// values to make sure global memory access by work-items of a work-group result in
-	// coalesced memory access to utilize full bandwidth e.g. on NVidia tesla, this is 16
-	size_t                  min_mem_coalesce_width;
-
-	// Number of local memory banks. This is used to geneate kernel with local memory
-	// transposes with appropriate padding to avoid bank conflicts to local memory
-	// e.g. on NVidia it is 16.
-	size_t                  num_local_mem_banks;
+    // context in which fft resources are created and kernels are executed
+    cl_context              context;
+
+    // size of signal
+    clFFT_Dim3              n;
+
+    // dimension of transform ... must be either 1D, 2D or 3D
+    clFFT_Dimension         dim;
+
+    // data format ... must be either interleaved or plannar
+    clFFT_DataFormat        format;
+
+    // string containing kernel source. Generated at runtime based on
+    // n, dim, format and other parameters
+    string                  *kernel_string;
+
+    // CL program containing source and kernel this particular
+    // n, dim, data format
+    cl_program              program;
+
+    // linked list of kernels which needs to be executed for this fft
+    cl_fft_kernel_info      *kernel_info;
+
+    // number of kernels
+    int                     num_kernels;
+
+    // twist kernel for virtualizing fft of very large sizes that do not
+    // fit in GPU global memory
+    cl_kernel               twist_kernel;
+
+    // flag indicating if temporary intermediate buffer is needed or not.
+    // this depends on fft kernels being executed and if transform is
+    // in-place or out-of-place. e.g. Local memory fft (say 1D 1024 ...
+    // one that does not require global transpose do not need temporary buffer)
+    // 2D 1024x1024 out-of-place fft however do require intermediate buffer.
+    // If temp buffer is needed, its allocation is lazy i.e. its not allocated
+    // until its needed
+    cl_int                  temp_buffer_needed;
+
+    // Batch size is runtime parameter and size of temporary buffer (if needed)
+    // depends on batch size. Allocation of temporary buffer is lazy i.e. its
+    // only created when needed. Once its created at first call of clFFT_Executexxx
+    // it is not allocated next time if next time clFFT_Executexxx is called with
+    // batch size different than the first call. last_batch_size caches the last
+    // batch size with which this plan is used so that we dont keep allocating/deallocating
+    // temp buffer if same batch size is used again and again.
+    size_t                  last_batch_size;
+
+    // temporary buffer for interleaved plan
+    cl_mem                  tempmemobj;
+
+    // temporary buffer for planner plan. Only one of tempmemobj or
+    // (tempmemobj_real, tempmemobj_imag) pair is valid (allocated) depending
+    // data format of plan (plannar or interleaved)
+    cl_mem                  tempmemobj_real, tempmemobj_imag;
+
+    // Maximum size of signal for which local memory transposed based
+    // fft is sufficient i.e. no global mem transpose (communication)
+    // is needed
+    size_t                  max_localmem_fft_size;
+
+    // Maximum work items per work group allowed. This, along with max_radix below controls
+    // maximum local memory being used by fft kernels of this plan. Set to 256 by default
+    size_t                  max_work_item_per_workgroup;
+
+    // Maximum base radix for local memory fft ... this controls the maximum register
+    // space used by work items. Currently defaults to 16
+    size_t                  max_radix;
+
+    // Device depended parameter that tells how many work-items need to be read consecutive
+    // values to make sure global memory access by work-items of a work-group result in
+    // coalesced memory access to utilize full bandwidth e.g. on NVidia tesla, this is 16
+    size_t                  min_mem_coalesce_width;
+
+    // Number of local memory banks. This is used to geneate kernel with local memory
+    // transposes with appropriate padding to avoid bank conflicts to local memory
+    // e.g. on NVidia it is 16.
+    size_t                  num_local_mem_banks;
 }cl_fft_plan;
 
 void FFT1D(cl_fft_plan *plan, cl_fft_kernel_dir dir);