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56 lines
2.0 KiB
56 lines
2.0 KiB
/* |
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* Copyright 2008-2012 NVIDIA Corporation |
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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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* |
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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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#include <thrust/detail/config.h> |
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#include <thrust/system/omp/detail/default_decomposition.h> |
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// don't attempt to #include this file without omp support |
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#if (THRUST_DEVICE_COMPILER_IS_OMP_CAPABLE == THRUST_TRUE) |
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#include <omp.h> |
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#endif // omp support |
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namespace thrust |
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{ |
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namespace system |
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{ |
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namespace omp |
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{ |
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namespace detail |
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{ |
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template <typename IndexType> |
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thrust::system::detail::internal::uniform_decomposition<IndexType> default_decomposition(IndexType n) |
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{ |
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// we're attempting to launch an omp kernel, assert we're compiling with omp support |
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// ======================================================================== |
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// X Note to the user: If you've found this line due to a compiler error, X |
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// X you need to OpenMP support in your compiler. X |
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// ======================================================================== |
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THRUST_STATIC_ASSERT( (thrust::detail::depend_on_instantiation<IndexType, |
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(THRUST_DEVICE_COMPILER_IS_OMP_CAPABLE == THRUST_TRUE)>::value) ); |
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#if (THRUST_DEVICE_COMPILER_IS_OMP_CAPABLE == THRUST_TRUE) |
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return thrust::system::detail::internal::uniform_decomposition<IndexType>(n, 1, omp_get_num_procs()); |
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#else |
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return thrust::system::detail::internal::uniform_decomposition<IndexType>(n, 1, 1); |
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#endif |
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} |
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} // end namespace detail |
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} // end namespace omp |
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} // end namespace system |
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} // end namespace thrust |
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