utilities.cpp

/*
*  utilities.cpp
*  imageRegistration
*
*  Created by gbohus on 7/14/10.
*  Copyright 2010 gbohus. All rights reserved.
*
*/

#include <string>
#include "ppm.h"
#include "utilities.h"

namespace imageRegistration {

std::string transformString(const std::string & s_, const char * tr_)
{
  //const char * lastDot = strrchr(s_.c_str(), '.');
  //int offSet(0);
  //if(lastDot)
  //  offSet = lastDot - (s_.c_str());
  //std::string destination(s_);
  //destination.resize(offSet);
  //destination += tr_;
  //destination += s_.substr(offSet, s_.size() - offSet);
  std::string destination(tr_);
  destination += s_;
  return destination;
 
}

double absAverageDiff(const double & t0, const double & t1)
{
  return std::abs(t0 - t1);
}
  
double absAverageDiff(const drgb & t0, const drgb & t1)
{
  return std::abs(t0.r - t1.r);
}
  
} //namespace imageRegistration