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/*
* Copyright 2008-2013 NVIDIA Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <thrust/detail/config.h>
#include <thrust/system/omp/detail/default_decomposition.h>
// don't attempt to #include this file without omp support
#if (THRUST_DEVICE_COMPILER_IS_OMP_CAPABLE == THRUST_TRUE)
#include <omp.h>
#endif // omp support
THRUST_NAMESPACE_BEGIN
namespace system
{
namespace omp
{
namespace detail
{
template <typename IndexType>
thrust::system::detail::internal::uniform_decomposition<IndexType> default_decomposition(IndexType n)
{
// we're attempting to launch an omp kernel, assert we're compiling with omp support
// ========================================================================
// X Note to the user: If you've found this line due to a compiler error, X
// X you need to OpenMP support in your compiler. X
// ========================================================================
THRUST_STATIC_ASSERT_MSG(
(thrust::detail::depend_on_instantiation<
IndexType, (THRUST_DEVICE_COMPILER_IS_OMP_CAPABLE == THRUST_TRUE)
>::value)
, "OpenMP compiler support is not enabled"
);
#if (THRUST_DEVICE_COMPILER_IS_OMP_CAPABLE == THRUST_TRUE)
return thrust::system::detail::internal::uniform_decomposition<IndexType>(n, 1, omp_get_num_procs());
#else
return thrust::system::detail::internal::uniform_decomposition<IndexType>(n, 1, 1);
#endif
}
} // end namespace detail
} // end namespace omp
} // end namespace system
THRUST_NAMESPACE_END
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