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Factored Approx out into own file

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This commit is contained in:
Phil Nash 2011-04-28 08:03:28 +01:00
parent 95419e935c
commit d7c203c3e9
4 changed files with 100 additions and 66 deletions
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1
include/catch.hpp
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@ -29,6 +29,7 @@
#include "internal/catch_section.hpp"
#include "internal/catch_generators.hpp"
#include "internal/catch_interfaces_exception.h"
#include "internal/catch_approx.hpp"
#ifdef __OBJC__
#include "internal/catch_objc.hpp"

88
include/internal/catch_approx.hpp Normal file
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@ -0,0 +1,88 @@
/*
* catch_approx.hpp
* Catch
*
* Created by Phil on 28/04/2011.
* Copyright 2010 Two Blue Cubes Ltd. All rights reserved.
*
* 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)
*
*/
#ifndef TWOBLUECUBES_CATCH_APPROX_HPP_INCLUDED
#define TWOBLUECUBES_CATCH_APPROX_HPP_INCLUDED
#include "catch_capture.hpp"
#include <cmath>
namespace Catch
{
// !TBD Need to clean this all up
#define CATCH_absTol 1e-10
#define CATCH_relTol 1e-10
inline double catch_max( double x, double y )
{
return x > y ? x : y;
}
namespace Detail
{
class Approx
{
public:
///////////////////////////////////////////////////////////////////////////
// !TBD more generic
explicit Approx
(
double d
)
: m_d( d )
{
}
///////////////////////////////////////////////////////////////////////////
template<typename T>
friend bool operator ==
(
const T& lhs,
const Approx& rhs
)
{
// !TBD Use proper tolerance
// From: http://realtimecollisiondetection.net/blog/?p=89
// see also: http://www.cygnus-software.com/papers/comparingfloats/comparingfloats.htm
return fabs( lhs - rhs.m_d ) <= catch_max( CATCH_absTol, CATCH_relTol * catch_max( fabs(lhs), fabs(rhs.m_d) ) );
}
///////////////////////////////////////////////////////////////////////////
template<typename T>
friend bool operator !=
(
const T& lhs,
const Approx& rhs
)
{
return ! operator==( lhs, rhs );
}
double m_d;
};
}
///////////////////////////////////////////////////////////////////////////////
template<>
inline std::string toString<Detail::Approx>
(
const Detail::Approx& value
)
{
std::ostringstream oss;
oss << "Approx( " << value.m_d << ")";
return oss.str();
}
} // end namespace Catch
#endif // TWOBLUECUBES_CATCH_APPROX_HPP_INCLUDED

68
include/internal/catch_capture.hpp
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@ -17,8 +17,9 @@
#include "catch_interfaces_capture.h"
#include "catch_debugger.hpp"
#include "catch_evaluate.hpp"
#include "catch_hub.h"
#include "catch_common.h"
#include <sstream>
#include <cmath>
namespace Catch
{
@ -643,71 +644,6 @@ private:
std::ostringstream m_oss;
};
// !TBD Need to clean this all up
#define CATCH_absTol 1e-10
#define CATCH_relTol 1e-10
inline double catch_max( double x, double y )
{
return x > y ? x : y;
}
namespace Detail
{
class Approx
{
public:
///////////////////////////////////////////////////////////////////////////
// !TBD more generic
explicit Approx
(
double d
)
: m_d( d )
{
}
///////////////////////////////////////////////////////////////////////////
template<typename T>
friend bool operator ==
(
const T& lhs,
const Approx& rhs
)
{
// !TBD Use proper tolerance
// From: http://realtimecollisiondetection.net/blog/?p=89
// see also: http://www.cygnus-software.com/papers/comparingfloats/comparingfloats.htm
return fabs( lhs - rhs.m_d ) <= catch_max( CATCH_absTol, CATCH_relTol * catch_max( fabs(lhs), fabs(rhs.m_d) ) );
}
///////////////////////////////////////////////////////////////////////////
template<typename T>
friend bool operator !=
(
const T& lhs,
const Approx& rhs
)
{
return ! operator==( lhs, rhs );
}
double m_d;
};
}
///////////////////////////////////////////////////////////////////////////////
template<>
inline std::string toString<Detail::Approx>
(
const Detail::Approx& value
)
{
std::ostringstream oss;
oss << "Approx( " << value.m_d << ")";
return oss.str();
}
///////////////////////////////////////////////////////////////////////////////
// This is just here to avoid compiler warnings with macro constants
inline bool isTrue

9
projects/XCode/CatchSelfTest.xcodeproj/project.pbxproj
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@ -75,6 +75,7 @@
4A060D14136203B800BBA8F8 /* catch_reporter_registrars.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; name = catch_reporter_registrars.hpp; path = ../../include/internal/catch_reporter_registrars.hpp; sourceTree = SOURCE_ROOT; };
4A060D15136203B800BBA8F8 /* catch_xmlwriter.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; name = catch_xmlwriter.hpp; path = ../../include/internal/catch_xmlwriter.hpp; sourceTree = SOURCE_ROOT; };
4A060D16136203B800BBA8F8 /* catch_generators_impl.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; name = catch_generators_impl.hpp; path = ../../include/internal/catch_generators_impl.hpp; sourceTree = SOURCE_ROOT; };
4A1A22AF136946E0002FDDE0 /* catch_approx.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; name = catch_approx.hpp; path = ../../include/internal/catch_approx.hpp; sourceTree = SOURCE_ROOT; };
8DD76F6C0486A84900D96B5E /* Test */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = Test; sourceTree = BUILT_PRODUCTS_DIR; };
C6859E8B029090EE04C91782 /* Test.1 */ = {isa = PBXFileReference; lastKnownFileType = text.man; path = Test.1; sourceTree = "<group>"; };
/* End PBXFileReference section */
@ -149,6 +150,7 @@
4A060CFD136203B800BBA8F8 /* catch_runner_impl.hpp */,
4A060D0C136203B800BBA8F8 /* catch_interfaces_runner.h */,
4A060D0D136203B800BBA8F8 /* catch_generators.hpp */,
4A1A22AF136946E0002FDDE0 /* catch_approx.hpp */,
);
name = "Running & Results";
sourceTree = "<group>";
@ -274,7 +276,14 @@
isa = PBXProject;
buildConfigurationList = 1DEB923508733DC60010E9CD /* Build configuration list for PBXProject "CatchSelfTest" */;
compatibilityVersion = "Xcode 3.1";
developmentRegion = English;
hasScannedForEncodings = 1;
knownRegions = (
English,
Japanese,
French,
German,
);
mainGroup = 08FB7794FE84155DC02AAC07 /* Test */;
projectDirPath = "";
projectRoot = "";