Neko  0.9.99
A portable framework for high-order spectral element flow simulations
opencl_filters.f90
Go to the documentation of this file.
1 ! Copyright (c) 2024, The Neko Authors
2 ! All rights reserved.
3 !
4 ! Redistribution and use in source and binary forms, with or without
5 ! modification, are permitted provided that the following conditions
6 ! are met:
7 !
8 ! * Redistributions of source code must retain the above copyright
9 ! notice, this list of conditions and the following disclaimer.
10 !
11 ! * Redistributions in binary form must reproduce the above
12 ! copyright notice, this list of conditions and the following
13 ! disclaimer in the documentation and/or other materials provided
14 ! with the distribution.
15 !
16 ! * Neither the name of the authors nor the names of its
17 ! contributors may be used to endorse or promote products derived
18 ! from this software without specific prior written permission.
19 !
20 ! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 ! "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 ! LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23 ! FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
24 ! COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25 ! INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
26 ! BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27 ! LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
28 ! CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 ! LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
30 ! ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 ! POSSIBILITY OF SUCH DAMAGE.
32 
35  use num_types, only: rp, c_rp
36  implicit none
37  private
38 
40 
41  ! Interfaces for the backend functions
42  interface
43  subroutine opencl_smooth_step(x, edge0, edge1, n) &
44  bind(c, name = "opencl_smooth_step")
45  use, intrinsic :: iso_c_binding, only: c_ptr, c_int
46  import c_rp
47  type(c_ptr), value :: x
48  real(c_rp) :: edge0, edge1
49  integer(c_int) :: n
50  end subroutine opencl_smooth_step
51 
52  subroutine opencl_step_function(x, edge, left, right, n) &
53  bind(c, name = "opencl_step_function")
54  use, intrinsic :: iso_c_binding, only: c_ptr, c_int
55  import c_rp
56  type(c_ptr), value :: x
57  real(c_rp) :: edge, left, right
58  integer(c_int) :: n
59  end subroutine opencl_step_function
60 
61  subroutine opencl_permeability(x, k_0, k_1, q, n) &
62  bind(c, name = "opencl_permeability")
63  use, intrinsic :: iso_c_binding, only: c_ptr, c_int
64  import c_rp
65  type(c_ptr), value :: x
66  real(c_rp) :: k_0, k_1, q
67  integer(c_int) :: n
68  end subroutine opencl_permeability
69  end interface
70 
71 end module opencl_filters
integer, parameter, public c_rp
Definition: num_types.f90:13
integer, parameter, public rp
Global precision used in computations.
Definition: num_types.f90:12
OpenCL interface binding for filters.