xref: /libCEED/rust/libceed-sys/c-src/backends/ref/ceed-ref.h (revision d863ab9ba6a0d47c58445a35d35b36efba07fc93)
1 // Copyright (c) 2017-2018, Lawrence Livermore National Security, LLC.
2 // Produced at the Lawrence Livermore National Laboratory. LLNL-CODE-734707.
3 // All Rights reserved. See files LICENSE and NOTICE for details.
4 //
5 // This file is part of CEED, a collection of benchmarks, miniapps, software
6 // libraries and APIs for efficient high-order finite element and spectral
7 // element discretizations for exascale applications. For more information and
8 // source code availability see http://github.com/ceed.
9 //
10 // The CEED research is supported by the Exascale Computing Project 17-SC-20-SC,
11 // a collaborative effort of two U.S. Department of Energy organizations (Office
12 // of Science and the National Nuclear Security Administration) responsible for
13 // the planning and preparation of a capable exascale ecosystem, including
14 // software, applications, hardware, advanced system engineering and early
15 // testbed platforms, in support of the nation's exascale computing imperative.
16 
17 #include <ceed-impl.h>
18 #include <ceed-backend.h>
19 #include <string.h>
20 
21 typedef struct {
22   CeedScalar *array;
23   CeedScalar *array_allocated;
24 } CeedVector_Ref;
25 
26 typedef struct {
27   const CeedInt *indices;
28   CeedInt *indices_allocated;
29 } CeedElemRestriction_Ref;
30 
31 typedef struct {
32   CeedVector
33   *evecs;   /// E-vectors needed to apply operator (input followed by outputs)
34   CeedScalar **edata;
35   CeedScalar **qdata; /// Inputs followed by outputs
36   CeedScalar
37   **qdata_alloc; /// Allocated quadrature data arrays (to be freed by us)
38   CeedScalar **indata;
39   CeedScalar **outdata;
40   CeedInt    numein;
41   CeedInt    numeout;
42   CeedInt    numqin;
43   CeedInt    numqout;
44 } CeedOperator_Ref;
45 
46 CEED_INTERN int CeedVectorCreate_Ref(CeedInt n, CeedVector vec);
47 
48 CEED_INTERN int CeedElemRestrictionCreate_Ref(CeedMemType mtype,
49     CeedCopyMode cmode, const CeedInt *indices, CeedElemRestriction r);
50 
51 CEED_INTERN int CeedBasisCreateTensorH1_Ref(CeedInt dim, CeedInt P1d,
52     CeedInt Q1d, const CeedScalar *interp1d,
53     const CeedScalar *grad1d,
54     const CeedScalar *qref1d,
55     const CeedScalar *qweight1d,
56     CeedBasis basis);
57 
58 CEED_INTERN int CeedBasisCreateH1_Ref(CeedElemTopology topo,
59     CeedInt dim, CeedInt ndof, CeedInt nqpts,
60     const CeedScalar *interp,
61     const CeedScalar *grad,
62     const CeedScalar *qref,
63     const CeedScalar *qweight,
64     CeedBasis basis);
65 
66 CEED_INTERN int CeedQFunctionCreate_Ref(CeedQFunction qf);
67 
68 CEED_INTERN int CeedOperatorCreate_Ref(CeedOperator op);
69