Zoltan2_BaseClassMetrics.hpp

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// @HEADER
// *****************************************************************************
//   Zoltan2: A package of combinatorial algorithms for scientific computing
//
// Copyright 2012 NTESS and the Zoltan2 contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER
 
#ifndef ZOLTAN2_BASEMETRICVALUES_HPP
#define ZOLTAN2_BASEMETRICVALUES_HPP
 
#include <Zoltan2_Standards.hpp>
 
#define UNKNOWN_METRICS_TYPE_NAME "UnknownMetricClass"  // Unknown would be error
#define METRICS_UNSET_STRING "unset"
 
namespace Zoltan2{
 
template <typename scalar_t>
  class BaseClassMetrics {
 
private:
void resetValues( int memCount ){
  scalar_t *tmp = new scalar_t [memCount];
  memset(tmp, 0, sizeof(scalar_t) * memCount);
  values_ = arcp(tmp, 0, memCount, true);
}
 
std::string metricName_;
 
ArrayRCP<scalar_t> values_;
 
protected:
 
scalar_t getValue(int enumIndex) const { return values_[enumIndex]; }
 
void setValue(int enumIndex, scalar_t value) { values_[enumIndex] = value; }
 
public:
 
BaseClassMetrics() :
  metricName_(METRICS_UNSET_STRING), values_() {
}
 
BaseClassMetrics(int memCount, std::string mname) :
  metricName_(mname), values_() {
  resetValues(memCount);
}
 
BaseClassMetrics(int memCount) :
  metricName_(METRICS_UNSET_STRING), values_() {
  resetValues(memCount);
}
    
virtual ~BaseClassMetrics() {}
 
virtual void printLine(std::ostream &os) const {};
 
virtual const std::vector<std::string> & getMetrics() const
  { return static_metricNames_; }
 
virtual const std::string & getMetricType() const
  { return static_unknown_metricTypeName_; }
 
const std::string &getName() const { return metricName_; }
 
void setName(std::string name) { metricName_ = name;}
 
bool hasMetricValue(const std::string & metric_name) const {
  return( convertMetricNameToIndex( metric_name ) != getMetrics().size() );
}
 
scalar_t getMetricValue(const std::string & metric_name) const
{
  size_t metricIndex = convertMetricNameToIndex(metric_name);
  if( metricIndex == getMetrics().size() )
    return 0.0; // throw an error
  return values_[metricIndex];
}
 
void setMetricValue(const std::string & metric_name, scalar_t value) const
{
  size_t metricIndex = convertMetricNameToIndex(metric_name);
  if( metricIndex != getMetrics().size() )
    values_[metricIndex] = value;
}
 
size_t convertMetricNameToIndex(const std::string & metric_name) const
{
  const std::vector<std::string> & metricNames = getMetrics();
  size_t metricIndex = std::find(metricNames.begin(), metricNames.end(),
    metric_name) - metricNames.begin();
  return metricIndex; // this can return metricNames.size() if not found
}
 
static std::string static_unknown_metricTypeName_;
 
static std::vector<std::string> static_metricNames_;
 
static std::vector<std::string> static_allMetricNames_;
};
 
template <typename scalar_t>
std::string BaseClassMetrics<scalar_t>::static_unknown_metricTypeName_ =
  UNKNOWN_METRICS_TYPE_NAME;
 
template <typename scalar_t>
std::vector<std::string> BaseClassMetrics<scalar_t>::static_metricNames_ = {};
 
} // namespace Zoltan2
#endif