FPGATrackSimSectorSlice.cxx File Reference

#include "FPGATrackSimBanks/FPGATrackSimSectorSlice.h"
#include <TFile.h>
#include <TTree.h>
#include <TBits.h>
#include <TClonesArray.h>
#include <AsgMessaging/MessageCheck.h>

Include dependency graph for FPGATrackSimSectorSlice.cxx:

Go to the source code of this file.

Functions
void	largest_region_wrap (std::vector< bool > const &good_bin, int &i_lower, int &i_upper)
int	getBin (double x, double min, double step, int clamp_max)

Function Documentation

getBin()

int getBin	(	double	x,
		double	min,
		double	step,
		int	clamp_max )

Definition at line 209 of file FPGATrackSimSectorSlice.cxx.

{
    int bin = static_cast<int>((x - min) / step);
    return clamp(bin, 0, clamp_max);
}

largest_region_wrap()

void largest_region_wrap	(	std::vector< bool > const &	good_bin,
		int &	i_lower,
		int &	i_upper )

Definition at line 321 of file FPGATrackSimSectorSlice.cxx.

{
    int start = -1; // start of current region
    int best_start = -1; // start of best region
    int best_size = 0; // size of best region
    for (int j = 0; j < 2*(int)good_bins.size(); j++) // j < 2*size to get regions across j=0
    {
        if (good_bins[j % good_bins.size()])
        {
            if (start < 0) start = j; // start region
            int size = j + 1 - start;
            if (size > best_size)
            {
                best_start = start;
                best_size = size;
                if (best_size == (int)good_bins.size()) break; // All bins are filled
            }
        }
        else // end region
        {
            start = -1;
        }
    }
    i_lower = best_start;
    i_upper = best_start + best_size - 1; // inclusive
        // May be larger than nbin, which causes max phi to be larger than 2pi, e.g.
}