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/********************* */
/*! \file stats_base.cpp
** \verbatim
** Top contributors (to current version):
** Gereon Kremer
** This file is part of the CVC4 project.
** Copyright (c) 2009-2021 by the authors listed in the file AUTHORS
** in the top-level source directory and their institutional affiliations.
** All rights reserved. See the file COPYING in the top-level source
** directory for licensing information.\endverbatim
**
** \brief Base statistic classes
**
** Base statistic classes
**/
#include "util/stats_base.h"
#include "util/statistics_registry.h"
namespace CVC4 {
Stat::Stat(const std::string& name) : d_name(name)
{
if (CVC4_USE_STATISTICS)
{
CheckArgument(d_name.find(", ") == std::string::npos,
name,
"Statistics names cannot include a comma (',')");
}
}
IntStat::IntStat(const std::string& name, int64_t init)
: BackedStat<int64_t>(name, init)
{
}
/** Increment the underlying integer statistic. */
IntStat& IntStat::operator++()
{
if (CVC4_USE_STATISTICS)
{
++d_data;
}
return *this;
}
/** Increment the underlying integer statistic. */
IntStat& IntStat::operator++(int)
{
if (CVC4_USE_STATISTICS)
{
++d_data;
}
return *this;
}
/** Increment the underlying integer statistic by the given amount. */
IntStat& IntStat::operator+=(int64_t val)
{
if (CVC4_USE_STATISTICS)
{
d_data += val;
}
return *this;
}
/** Keep the maximum of the current statistic value and the given one. */
void IntStat::maxAssign(int64_t val)
{
if (CVC4_USE_STATISTICS)
{
if (d_data < val)
{
d_data = val;
}
}
}
/** Keep the minimum of the current statistic value and the given one. */
void IntStat::minAssign(int64_t val)
{
if (CVC4_USE_STATISTICS)
{
if (d_data > val)
{
d_data = val;
}
}
}
AverageStat::AverageStat(const std::string& name)
: BackedStat<double>(name, 0.0)
{
}
/** Add an entry to the running-average calculation. */
AverageStat& AverageStat::operator<<(double e)
{
if (CVC4_USE_STATISTICS)
{
++d_count;
d_sum += e;
set(d_sum / d_count);
}
return *this;
}
SExpr AverageStat::getValue() const
{
std::stringstream ss;
ss << std::fixed << std::setprecision(8) << d_data;
return SExpr(Rational::fromDecimal(ss.str()));
}
} // namespace CVC4
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