SharedBpUtilFuncts.h

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/*
Copyright (C) 2024 Scott Grauer-Gray
 
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
 
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
*/
 
#ifndef SHARED_BP_UTIL_FUNCTS_H_
#define SHARED_BP_UTIL_FUNCTS_H_
 
#include "RunSettingsParams/RunSettings.h"
#include "RunEval/RunTypeConstraints.h"
#include "RunImp/UtilityFuncts.h"
#include "BpRunProcessing/BpConstsEnumsAliases.h"
#include "BpRunProcessing/BpRunUtils.h"
#include "BpRunProcessing/BpLevel.h"
#include "BpResultsEvaluation/BpEvaluationStereoSets.h"
#include "SharedBpUtilFuncts.h"
 
namespace beliefprop {
 
ARCHITECTURE_ADDITION inline bool WithinImageBounds(
  unsigned int x_val, unsigned int y_val,
  unsigned int width, unsigned int height)
{
  return ((x_val < width) && (y_val < height));
}
 
ARCHITECTURE_ADDITION inline unsigned int RetrieveIndexInDataAndMessage(
  unsigned int x_val, unsigned int y_val, unsigned int width, unsigned int height,
  unsigned int current_disparity, unsigned int total_num_disp_vals,
  unsigned int offset_data = 0u)
{
  if constexpr (beliefprop::kOptimizedIndexingSetting) {
    //indexing is performed in such a way so that the memory accesses as coalesced as much as possible
    return (y_val * width * total_num_disp_vals + width * current_disparity + x_val) + offset_data;
  }
  else {
    return ((y_val * width + x_val) * total_num_disp_vals + current_disparity);
  }
}
 
};
 
#endif //SHARED_BP_UTIL_FUNCTS_H_