/usr/include/ug/namespace.h is in libug-dev 3.12.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// vi: set et ts=4 sw=2 sts=2:
/** \file
Defines macros to put symbols into namespaces if C++ compiler is
used. Everything is put into the namespace UG, dimension-dependent
functions into UG::D2 or UG::D3
in a header-files use:
#include "namespace.h"
START_UG_NAMESPACE
...
END_UG_NAMESPACE
for stuff that is independent of the space dimension or
#include "namespace.h"
START_UGDIM_NAMESPACE
...
END_UGDIM_NAMESPACE
else. In the implementation:
#include "namespace.h" // of course
USING_UG_NAMESPACE // for stuff from the namespace UG
or
USING_UGDIM_NAMESPACE // for stuff from UG::D3 resp. UG::D2
Write
int NS_PREFIX function(...) { ... };
if function is declared in UG and
int NS_DIM_PREFIX function(...) { ... };
if it is declared in a namespace with dimension.
*/
#ifndef UG_NAMESPACE_H
#define UG_NAMESPACE_H
#define START_UG_NAMESPACE namespace UG {
#define END_UG_NAMESPACE }
#define END_UGDIM_NAMESPACE }}
#define NS_PREFIX UG::
#define USING_UG_NAMESPACE using namespace UG;
#ifdef _3
#define START_UGDIM_NAMESPACE namespace UG { namespace D3 {
#define USING_UGDIM_NAMESPACE using namespace UG::D3;
#define USING_UG_NAMESPACES namespace UG {namespace D3 {} } using namespace UG; using namespace UG::D3;
#define NS_DIM_PREFIX UG::D3::
#else
#define START_UGDIM_NAMESPACE namespace UG { namespace D2 {
#define USING_UGDIM_NAMESPACE using namespace UG::D2;
#define USING_UG_NAMESPACES namespace UG {namespace D2 {} } using namespace UG; using namespace UG::D2;
#define NS_DIM_PREFIX UG::D2::
#endif
/* check if the required symbols exist */
#if !defined(NS_PREFIX) || !defined(START_UG_NAMESPACE) || !defined(END_UG_NAMESPACE)
# error missing symbol!
#endif
#endif
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