70 lines
1.6 KiB
C++
70 lines
1.6 KiB
C++
// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
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// Copyright 2008-2016 National ICT Australia (NICTA)
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// ------------------------------------------------------------------------
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//! \addtogroup arma_static_check
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//! @{
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template<bool ERROR___TYPE_MISMATCH_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___TYPE_MISMATCH_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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#undef arma_static_check
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#undef arma_type_check
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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: type mismatch 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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