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- /******************************************************************************
- * Copyright (c) 2011, Duane Merrill. All rights reserved.
- * Copyright (c) 2011-2014, NVIDIA CORPORATION. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * * Neither the name of the NVIDIA CORPORATION nor the
- * names of its contributors may be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- ******************************************************************************/
- /******************************************************************************
- * Common C/C++ macro utilities
- ******************************************************************************/
- #pragma once
- #include "util_namespace.cuh"
- /// Optional outer namespace(s)
- CUB_NS_PREFIX
- /// CUB namespace
- namespace cub {
- /**
- * \addtogroup UtilModule
- * @{
- */
- /**
- * Align struct
- */
- #if defined(_WIN32) || defined(_WIN64)
- #define CUB_ALIGN(bytes) __declspec(align(32))
- #else
- #define CUB_ALIGN(bytes) __attribute__((aligned(bytes)))
- #endif
- /**
- * Select maximum(a, b)
- */
- #define CUB_MAX(a, b) (((b) > (a)) ? (b) : (a))
- /**
- * Select minimum(a, b)
- */
- #define CUB_MIN(a, b) (((b) < (a)) ? (b) : (a))
- /**
- * Quotient of x/y rounded down to nearest integer
- */
- #define CUB_QUOTIENT_FLOOR(x, y) ((x) / (y))
- /**
- * Quotient of x/y rounded up to nearest integer
- */
- #define CUB_QUOTIENT_CEILING(x, y) (((x) + (y) - 1) / (y))
- /**
- * x rounded up to the nearest multiple of y
- */
- #define CUB_ROUND_UP_NEAREST(x, y) ((((x) + (y) - 1) / (y)) * y)
- /**
- * x rounded down to the nearest multiple of y
- */
- #define CUB_ROUND_DOWN_NEAREST(x, y) (((x) / (y)) * y)
- /**
- * Return character string for given type
- */
- #define CUB_TYPE_STRING(type) ""#type
- #ifndef DOXYGEN_SHOULD_SKIP_THIS // Do not document
- #define CUB_CAT_(a, b) a ## b
- #define CUB_CAT(a, b) CUB_CAT_(a, b)
- #endif // DOXYGEN_SHOULD_SKIP_THIS
- /**
- * Static assert
- */
- #define CUB_STATIC_ASSERT(cond, msg) typedef int CUB_CAT(cub_static_assert, __LINE__)[(cond) ? 1 : -1]
- /** @} */ // end group UtilModule
- } // CUB namespace
- CUB_NS_POSTFIX // Optional outer namespace(s)
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