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/*
* Copyright 2021 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
/**
* \file namespace.h
* \brief Utilities that allow `thrust::` to be placed inside an
* application-specific namespace.
*/
/**
* \def THRUST_CUB_WRAPPED_NAMESPACE
* If defined, this value will be used as the name of a namespace that wraps the
* `thrust::` and `cub::` namespaces.
* This macro should not be used with any other Thrust namespace macros.
*/
#ifdef THRUST_CUB_WRAPPED_NAMESPACE
#define THRUST_WRAPPED_NAMESPACE THRUST_CUB_WRAPPED_NAMESPACE
#endif
/**
* \def THRUST_WRAPPED_NAMESPACE
* If defined, this value will be used as the name of a namespace that wraps the
* `thrust::` namespace.
* If THRUST_CUB_WRAPPED_NAMESPACE is set, this will inherit that macro's value.
* This macro should not be used with any other Thrust namespace macros.
*/
#ifdef THRUST_WRAPPED_NAMESPACE
#define THRUST_NS_PREFIX \
namespace THRUST_WRAPPED_NAMESPACE \
{
#define THRUST_NS_POSTFIX }
#define THRUST_NS_QUALIFIER ::THRUST_WRAPPED_NAMESPACE::thrust
#endif
/**
* \def THRUST_NS_PREFIX
* This macro is inserted prior to all `namespace thrust { ... }` blocks. It is
* derived from THRUST_WRAPPED_NAMESPACE, if set, and will be empty otherwise.
* It may be defined by users, in which case THRUST_NS_PREFIX,
* THRUST_NS_POSTFIX, and THRUST_NS_QUALIFIER must all be set consistently.
*/
#ifndef THRUST_NS_PREFIX
#define THRUST_NS_PREFIX
#endif
/**
* \def THRUST_NS_POSTFIX
* This macro is inserted following the closing braces of all
* `namespace thrust { ... }` block. It is defined appropriately when
* THRUST_WRAPPED_NAMESPACE is set, and will be empty otherwise. It may be
* defined by users, in which case THRUST_NS_PREFIX, THRUST_NS_POSTFIX, and
* THRUST_NS_QUALIFIER must all be set consistently.
*/
#ifndef THRUST_NS_POSTFIX
#define THRUST_NS_POSTFIX
#endif
/**
* \def THRUST_NS_QUALIFIER
* This macro is used to qualify members of thrust:: when accessing them from
* outside of their namespace. By default, this is just `::thrust`, and will be
* set appropriately when THRUST_WRAPPED_NAMESPACE is defined. This macro may be
* defined by users, in which case THRUST_NS_PREFIX, THRUST_NS_POSTFIX, and
* THRUST_NS_QUALIFIER must all be set consistently.
*/
#ifndef THRUST_NS_QUALIFIER
#define THRUST_NS_QUALIFIER ::thrust
#endif
/**
* \def THRUST_NAMESPACE_BEGIN
* This macro is used to open a `thrust::` namespace block, along with any
* enclosing namespaces requested by THRUST_WRAPPED_NAMESPACE, etc.
* This macro is defined by Thrust and may not be overridden.
*/
#define THRUST_NAMESPACE_BEGIN \
THRUST_NS_PREFIX \
namespace thrust \
{
/**
* \def THRUST_NAMESPACE_END
* This macro is used to close a `thrust::` namespace block, along with any
* enclosing namespaces requested by THRUST_WRAPPED_NAMESPACE, etc.
* This macro is defined by Thrust and may not be overridden.
*/
#define THRUST_NAMESPACE_END \
} /* end namespace thrust */ \
THRUST_NS_POSTFIX
// The following is just here to add docs for the thrust namespace:
THRUST_NS_PREFIX
/*! \namespace thrust
* \brief \p thrust is the top-level namespace which contains all Thrust
* functions and types.
*/
namespace thrust
{
}
THRUST_NS_POSTFIX
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