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// (C) Copyright Gennadiy Rozental 2011-2014.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org/libs/test for the library home page.
//
// File : $RCSfile$
//
// Version : $Revision: 74248 $
//
// Description : FPC tools tolerance holder
// ***************************************************************************
#ifndef BOOST_TEST_TOOLS_FPC_TOLERANCE_HPP_121612GER
#define BOOST_TEST_TOOLS_FPC_TOLERANCE_HPP_121612GER
// Boost Test
#include <boost/test/tree/decorator.hpp>
#include <boost/test/tools/floating_point_comparison.hpp>
#include <boost/test/detail/suppress_warnings.hpp>
//____________________________________________________________________________//
namespace boost {
namespace test_tools {
namespace fpc = math::fpc;
// ************************************************************************** //
// ************** floating point comparison tolerance ************** //
// ************************************************************************** //
template<typename FPT>
inline FPT&
fpc_tolerance()
{
static FPT s_value = 0;
return s_value;
}
//____________________________________________________________________________//
template<typename FPT>
struct local_fpc_tolerance {
local_fpc_tolerance( FPT fraction_tolerance ) : m_old_tolerance( fpc_tolerance<FPT>() )
{
fpc_tolerance<FPT>() = fraction_tolerance;
}
~local_fpc_tolerance()
{
if( m_old_tolerance != (FPT)-1 )
fpc_tolerance<FPT>() = m_old_tolerance;
}
private:
// Data members
FPT m_old_tolerance;
};
//____________________________________________________________________________//
} // namespace test_tools
// ************************************************************************** //
// ************** decorator::tolerance ************** //
// ************************************************************************** //
namespace unit_test {
namespace decorator {
template<typename FPT>
inline fixture_t
tolerance( FPT v )
{
return fixture_t( test_unit_fixture_ptr(
new unit_test::class_based_fixture<test_tools::local_fpc_tolerance<FPT>,FPT>( v ) ) );
}
//____________________________________________________________________________//
template<typename FPT>
inline fixture_t
tolerance( test_tools::fpc::percent_tolerance_t<FPT> v )
{
return fixture_t( test_unit_fixture_ptr(
new unit_test::class_based_fixture<test_tools::local_fpc_tolerance<FPT>,FPT>( boost::math::fpc::fpc_detail::fraction_tolerance<FPT>( v ) ) ) );
}
//____________________________________________________________________________//
} // namespace decorator
using decorator::tolerance;
} // namespace unit_test
} // namespace boost
#include <boost/test/detail/enable_warnings.hpp>
#endif // BOOST_TEST_TOOLS_FPC_TOLERANCE_HPP_121612GER
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