hipcub/block/block_adjacent_difference.hpp Source File

• hipcub
• block

block_adjacent_difference.hpp

1 /******************************************************************************

2  * Copyright (c) 2010-2011, Duane Merrill. All rights reserved.

3  * Copyright (c) 2011-2018, NVIDIA CORPORATION. All rights reserved.

4  * Modifications Copyright (c) 2021, Advanced Micro Devices, Inc. All rights reserved.

5  *

6  * Redistribution and use in source and binary forms, with or without

7  * modification, are permitted provided that the following conditions are met:

8  * * Redistributions of source code must retain the above copyright

9  * notice, this list of conditions and the following disclaimer.

10  * * Redistributions in binary form must reproduce the above copyright

11  * notice, this list of conditions and the following disclaimer in the

12  * documentation and/or other materials provided with the distribution.

13  * * Neither the name of the NVIDIA CORPORATION nor the

14  * names of its contributors may be used to endorse or promote products

15  * derived from this software without specific prior written permission.

16  *

17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND

18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

20  * DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR ANY

21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

26  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

27  *

28  ******************************************************************************/

29 

30 #ifndef HIPCUB_BLOCK_BLOCK_AJACENT_DIFFERENCE_HPP_

31 #define HIPCUB_BLOCK_BLOCK_AJACENT_DIFFERENCE_HPP_

32 

33 BEGIN_HIPCUB_NAMESPACE

34 

35 namespace detail

36 {

37  // Trait checks if FlagOp can be called with 3 arguments (a, b, b_index)

38  template<class T, class FlagOp, class = void>

39  struct WithBIndexArg

40  : std::false_type

41  { };

42 

43  template<class T, class FlagOp>

44  struct WithBIndexArg<

45  T, FlagOp,

46  typename std::conditional<

47  true,

48  void,

49  decltype(std::declval<FlagOp>()(std::declval<T>(), std::declval<T>(), 0))

50  >::type

51  > : std::true_type

52  { };

53 

54 }

55 

56 END_HIPCUB_NAMESPACE

57 

58 #ifdef __HIP_PLATFORM_AMD__

59  #include "../backend/rocprim/block/block_adjacent_difference.hpp"

60 #elif defined(__HIP_PLATFORM_NVIDIA__)

61  #include "../config.hpp"

62  #include <cub/block/block_adjacent_difference.cuh>

63 #endif

64 

65 #endif // HIPCUB_BLOCK_BLOCK_AJACENT_DIFFERENCE_HPP_