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gnss-sdr/src/algorithms/libs/clFFT.h

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//
// File: clFFT.h
//
// Version: <1.0>
//
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// in consideration of your agreement to the following terms, and your use,
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// PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION
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// CONSEQUENTIAL DAMAGES ( INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// INTERRUPTION ) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION
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// Copyright ( C ) 2008 Apple Inc. All Rights Reserved.
//
////////////////////////////////////////////////////////////////////////////////////////////////////
#ifndef __CLFFT_H
#define __CLFFT_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdio.h>
#ifdef __APPLE__
#include <OpenCL/opencl.h>
#else
#include <CL/cl.h>
#endif
// XForm type
typedef enum
{
clFFT_Forward = -1,
clFFT_Inverse = 1
}clFFT_Direction;
// XForm dimension
typedef enum
{
clFFT_1D = 0,
clFFT_2D = 1,
clFFT_3D = 3
}clFFT_Dimension;
// XForm Data type
typedef enum
{
clFFT_SplitComplexFormat = 0,
clFFT_InterleavedComplexFormat = 1
}clFFT_DataFormat;
typedef struct
{
unsigned int x;
unsigned int y;
unsigned int z;
}clFFT_Dim3;
typedef struct
{
float *real;
float *imag;
} clFFT_SplitComplex;
typedef struct
{
float real;
float imag;
}clFFT_Complex;
typedef void* clFFT_Plan;
clFFT_Plan clFFT_CreatePlan( cl_context context, clFFT_Dim3 n, clFFT_Dimension dim, clFFT_DataFormat dataFormat, cl_int *error_code );
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_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_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);
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);
void clFFT_DumpPlan( clFFT_Plan plan, FILE *file);
#ifdef __cplusplus
}
#endif
#endif