61 lines
1.2 KiB
C++
61 lines
1.2 KiB
C++
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// Copyright (C) 2008-2011 National ICT Australia (NICTA)
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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// -------------------------------------------------------------------
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//
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// Written by Conrad Sanderson - http://conradsanderson.id.au
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//! \addtogroup arma_static_check
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//! @{
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template<bool ERROR___INCORRECT_OR_UNSUPPORTED_TYPE>
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struct arma_type_check_cxx1998
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{
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arma_inline
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static
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void
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apply()
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{
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static const char
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junk[ ERROR___INCORRECT_OR_UNSUPPORTED_TYPE ? -1 : +1 ];
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}
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};
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template<>
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struct arma_type_check_cxx1998<false>
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{
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arma_inline
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static
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void
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apply()
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{
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}
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};
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#if defined(ARMA_USE_CXX11)
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#define arma_static_check(condition, message) static_assert( !(condition), #message )
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#define arma_type_check(condition) static_assert( !(condition), "error: incorrect or unsupported type" )
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#else
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#define arma_static_check(condition, message) static const char message[ (condition) ? -1 : +1 ]
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#define arma_type_check(condition) arma_type_check_cxx1998<condition>::apply()
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#endif
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//! @}
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