RasterProcessTool/Toolbox/SimulationSARTool/SimulationSAR/BPBasic0_CUDA.cuh

#include <cstdio>
#include <cufft.h>
#include <cmath>
#include <cuda_runtime.h>
#include "BaseConstVariable.h"

#define cudaCheckError(ans) { gpuAssert((ans), __FILE__, __LINE__); }
inline void gpuAssert(cudaError_t code, const char* file, int line) {
    if (code != cudaSuccess) {
        fprintf(stderr, "CUDA Error: %s %s %d\n", cudaGetErrorString(code), file, line);
        exit(code);
    }
}

#define c LIGHTSPEED
 

struct GPUDATA {
    long Nfft, K, Np, nx, ny; // <20><><EFBFBD><EFBFBD>Ҷ<EFBFBD><D2B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD>С<EFBFBD>ͼ<EFBFBD><CDBC><EFBFBD><EFBFBD>
    double* AntX, * AntY, * AntZ, * minF; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ꡢ<EFBFBD><EAA1A2>ʼƵ<CABC><C6B5>
    double* x_mat, * y_mat, * z_mat;// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    double* r_vec; // <20><><EFBFBD>귶Χ
    double* Freq;// Ƶ<><C6B5>
    cufftComplex* phdata;// <20>ز<EFBFBD>
    cufftComplex* im_final;// ͼ<><CDBC>
    double R0; // <20>ο<EFBFBD>б<EFBFBD><D0B1>
    double deltaF; // Ƶ<>㷶Χ
};

extern "C" {
    void bpBasic0CUDA(GPUDATA& data, int flag,double* h_R=nullptr);
    void initGPUData(GPUDATA& h_data, GPUDATA& d_data);
    void freeGPUData(GPUDATA& d_data);
    void freeHostData(GPUDATA& d_data);
    void BPBasic0(GPUDATA& h_data);
};