/*
 * PndIsochroneTrackFinderGpuInterfacer.cxx
 *
 *  Created on: 12.11.2014
 *      Author: A. Herten
 */

#include "PndIsochroneTrackFinderGpuInterfacer.h"
#include <vector>
#include <utility>

ClassImp(PndIsochroneTrackFinderGpuInterfacer);


PndIsochroneTrackFinderGpuInterfacer::PndIsochroneTrackFinderGpuInterfacer() {}

PndIsochroneTrackFinderGpuInterfacer::~PndIsochroneTrackFinderGpuInterfacer() {}

bool PndIsochroneTrackFinderGpuInterfacer::CudaAvailable() {
#ifdef THERE_IS_CUDA
    return true;
#else
    return false;
#endif
}

// Phase 5: Keep the array of angles statically on the GPU, while the hits change
void PndIsochroneTrackFinderGpuInterfacer::GenerateAndSetAngles(std::pair<float, float> angleRange, float angleStepSize) {
	float angleStart = angleRange.first;
	float angleEnd = angleRange.second;

	int totalAmountOfSteps = (angleEnd - angleStart) / angleStepSize;

	fAngles = GenerateAngles_Gpu(angleStart, angleEnd, angleStepSize, &fTimeAngles, &fNBlocks, fNThreads);  // points to device side array
	fAnglesLength = totalAmountOfSteps;
}

std::vector<std::vector<TVector2> > PndIsochroneTrackFinderGpuInterfacer::IsoCalc(std::vector<float> x, std::vector<float> y, std::vector<float> r) {
    return IsoCalc_allHits_Gpu(fAngles, fAnglesLength, x, y, r);
}