#ifndef _GPURFPC_H_
#define _GPURFPC_H_

#include "BaseConstVariable.h"
#include "GPUTool.cuh"
#include <cuda_runtime.h>
#include <device_launch_parameters.h>
#include <cublas_v2.h>
#include <cuComplex.h>


extern "C" struct  CUDASigmaParam {
	double p1;
	double p2;
	double p3;
	double p4;
	double p5;
	double p6;
};


extern __device__ double GPU_getSigma0dB(CUDASigmaParam param, double theta);

extern __device__ CUDAVectorEllipsoidal GPU_SatelliteAntDirectNormal(
	double RstX, double RstY, double RstZ,
	double  antXaxisX, double  antXaxisY, double  antXaxisZ,
	double  antYaxisX, double  antYaxisY, double  antYaxisZ,
	double  antZaxisX, double  antZaxisY, double  antZaxisZ,
	double  antDirectX, double  antDirectY, double  antDirectZ
);

extern __device__ double GPU_BillerInterpAntPattern(double* antpattern,
	double starttheta, double startphi, double dtheta, double dphi,
	long thetapoints, long phipoints,
	double searththeta, double searchphi);


extern __global__ void CUDA_AntPatternInterpGain(double* anttheta, double* antphi, double* gain,
	double* antpattern, double starttheta, double startphi, double dtheta, double dphi, int thetapoints, int phipoints, long len);


extern __global__ void CUDA_InterpSigma(
	long* demcls, double* sigmaAmp, double* localanglearr, long len,
	CUDASigmaParam* sigma0Paramslist, long sigmaparamslistlen);


extern __global__ void CUDAKernel_PRF_CalFreqEcho(
	double* Rarr, double* ampArr, long pixelcount,
	double* factorj, long freqnum,
	double dx, double nearR,
	cuComplex* PRFEcho, long prfid);

extern __device__ cuComplex  GPU_calculationEcho(double sigma0, double TransAnt, double ReciveAnt,
	double localangle, double R, double slopeangle, double Pt, double lamda);


extern __global__ void CUDA_calculationEcho(double* sigma0, double* TransAnt, double* ReciveAnt,
	double* localangle, double* R, double* slopeangle,
	double nearRange, double Fs, double Pt, double lamda, long FreqIDmax,
	cuComplex* echoArr, long* FreqID,
	long len);


extern __global__ void CUDA_BillerInterpAntPattern(double* antpattern,
	double starttheta, double startphi, double dtheta, double dphi,
	long thetapoints, long phipoints,
	double* searththeta, double* searchphi, double* searchantpattern,
	long len);


extern __global__ void CUDA_SatelliteAntDirectNormal(double* RstX, double* RstY, double* RstZ,
	double  antXaxisX, double  antXaxisY, double  antXaxisZ,
	double  antYaxisX, double  antYaxisY, double  antYaxisZ,
	double  antZaxisX, double  antZaxisY, double  antZaxisZ,
	double  antDirectX, double  antDirectY, double  antDirectZ,
	double* thetaAnt, double* phiAnt
	, long len);


 

 

extern __global__ void CUDAKernel_PRF_GeneratorEcho(double* Rarr, double* ampArr, long blocknum, long pixelcount, double* factorj, long freqnum,
	double nearR, double farR, double* echo_real, double* echo_imag, long prfid);



extern "C" void SatelliteAntDirectNormal(double* RstX, double* RstY, double* RstZ, 
	double  antXaxisX, double  antXaxisY, double  antXaxisZ, 
	double  antYaxisX, double  antYaxisY, double  antYaxisZ, 
	double  antZaxisX, double  antZaxisY, double  antZaxisZ, 
	double  antDirectX, double  antDirectY, double  antDirectZ, 
	double* thetaAnt, double* phiAnt, long len);

extern "C" void AntPatternInterpGain(double* anttheta, double* antphi, double* gain, 
	double* antpattern, 
	double starttheta, double startphi, double dtheta, double dphi, int thetapoints, int phipoints,
	long len);

extern "C" void calculationEcho(double* sigma0, double* TransAnt, double* ReciveAnt,
	double* localangle, double* R, double* slopeangle,
	double nearRange, double Fs, double pt, double lamda, long FreqIDmax,
	cuComplex* echoAmp, long* FreqID,
	long len);


extern "C" void CUDAInterpSigma(
	long* demcls, double* sigmaAmp, double* localanglearr, long len,
	CUDASigmaParam* sigma0Paramslist, long sigmaparamslistlen);

// 计算坐标的 距离、增益
extern "C" void CUDARFPC_Caluation_R_Gain(
	double antX, double antY, double antZ, // 天线的坐标
	double* targetX, double* targetY, double* targetZ, long TargetPixelNumber, // 地面坐标
	long* demCls,
	double* demSlopeX, double* demSlopeY, double* demSlopeZ, // 地表坡度矢量
	double  antXaxisX, double  antXaxisY, double  antXaxisZ, // 天线坐标系的X轴
	double  antYaxisX, double  antYaxisY, double  antYaxisZ,// 天线坐标系的Y轴
	double  antZaxisX, double  antZaxisY, double  antZaxisZ,// 天线坐标系的Z轴
	double  antDirectX, double  antDirectY, double  antDirectZ,// 天线的指向
	double Pt,// 发射能量
	double refPhaseRange,
	double* TransAntpattern, double Transtarttheta, double Transstartphi, double Transdtheta, double Transdphi, int Transthetapoints, int Transphipoints, // 发射天线方向图
	double* ReceiveAntpattern, double Receivestarttheta, double Receivestartphi, double Receivedtheta, double Receivedphi, int Receivethetapoints, int Receivephipoints,//接收天线方向图
	double NearR, double FarR, // 距离范围
	CUDASigmaParam* sigma0Paramslist, long sigmaparamslistlen,// 插值图
	double* factorj, long freqnum,
	double* outR,  // 输出距离
	//double* outAmp // 输出增益
	double* PRFEcho_real, double* PRFEcho_imag, long prfid
);


extern "C"  void CUDA_PRF_CalFreqEcho(
	double* Rarr, double* ampArr, long pixelcount,
	double* factorj, long freqnum,
	double dx, double nearR,
	cuComplex* PRFEcho, long prfid);


extern "C"  void CUDA_PRF_GeneratorEcho(cublasHandle_t handle,double* Rarr, double* ampArr, long pixelcount,
	double* factorj, long freqnum, 
	double nearR, double farR, 
	double* echo_real, double* echo_imag, long prfid);




#endif