// (C) Copyright Gennadiy Rozental 2001.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org/libs/test for the library home page.
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//
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// File : $RCSfile$
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//
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// Version : $Revision: 74248 $
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//
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// Description : FPC tools tolerance holder
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// ***************************************************************************
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#ifndef BOOST_TEST_TOOLS_FPC_TOLERANCE_HPP_121612GER
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#define BOOST_TEST_TOOLS_FPC_TOLERANCE_HPP_121612GER
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// Boost Test
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#include <boost/test/tree/decorator.hpp>
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#include <boost/test/tools/floating_point_comparison.hpp>
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#include <boost/test/detail/suppress_warnings.hpp>
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//____________________________________________________________________________//
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namespace boost {
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namespace test_tools {
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namespace fpc = math::fpc;
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// ************************************************************************** //
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// ************** floating point comparison tolerance ************** //
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// ************************************************************************** //
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template<typename FPT>
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inline FPT&
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fpc_tolerance()
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{
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static FPT s_value = 0;
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return s_value;
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}
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//____________________________________________________________________________//
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template<typename FPT>
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struct local_fpc_tolerance {
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local_fpc_tolerance( FPT fraction_tolerance ) : m_old_tolerance( fpc_tolerance<FPT>() )
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{
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fpc_tolerance<FPT>() = fraction_tolerance;
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}
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~local_fpc_tolerance()
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{
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if( m_old_tolerance != (FPT)-1 )
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fpc_tolerance<FPT>() = m_old_tolerance;
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}
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private:
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// Data members
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FPT m_old_tolerance;
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};
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//____________________________________________________________________________//
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} // namespace test_tools
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// ************************************************************************** //
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// ************** decorator::tolerance ************** //
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// ************************************************************************** //
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namespace unit_test {
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namespace decorator {
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template<typename FPT>
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inline fixture_t
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tolerance( FPT v )
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{
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return fixture_t( test_unit_fixture_ptr(
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new unit_test::class_based_fixture<test_tools::local_fpc_tolerance<FPT>,FPT>( v ) ) );
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}
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//____________________________________________________________________________//
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template<typename FPT>
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inline fixture_t
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tolerance( test_tools::fpc::percent_tolerance_t<FPT> v )
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{
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return fixture_t( test_unit_fixture_ptr(
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new unit_test::class_based_fixture<test_tools::local_fpc_tolerance<FPT>,FPT>( boost::math::fpc::fpc_detail::fraction_tolerance<FPT>( v ) ) ) );
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}
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//____________________________________________________________________________//
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} // namespace decorator
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using decorator::tolerance;
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} // namespace unit_test
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} // namespace boost
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#include <boost/test/detail/enable_warnings.hpp>
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#endif // BOOST_TEST_TOOLS_FPC_TOLERANCE_HPP_121612GER
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