lammps/unittest/force-styles/error_stats.h

42 lines
1.2 KiB
C++

/* -*- c++ -*- ----------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
http://lammps.sandia.gov, Sandia National Laboratories
Steve Plimpton, sjplimp@sandia.gov
Copyright (2003) Sandia Corporation. Under the terms of Contract
DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
certain rights in this software. This software is distributed under
the GNU General Public License.
See the README file in the top-level LAMMPS directory.
------------------------------------------------------------------------- */
#ifndef ERROR_STATS_H
#define ERROR_STATS_H
#include <iostream>
class ErrorStats {
public:
friend std::ostream &operator<<(std::ostream &out, const ErrorStats &stats);
ErrorStats() { reset(); }
virtual ~ErrorStats() {}
void reset();
void add(const double &val);
double avg() const;
double dev() const;
double max() const { return maxerr; }
double idx() const { return maxidx; }
bool has_data() const { return num > 0; }
private:
double sum, sumsq, maxerr;
int num, maxidx;
};
extern std::ostream &operator<<(std::ostream &out, const ErrorStats &stats);
#endif