xref: /libCEED/backends/ref/ceed-ref.h (revision aedaa0e5fd3a3e03ad33ad8a6308ac527f4f900e)
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-backend.h>
18 #include <string.h>
19 
20 typedef struct {
21   CeedScalar *array;
22   CeedScalar *array_allocated;
23 } CeedVector_Ref;
24 
25 typedef struct {
26   const CeedInt *indices;
27   CeedInt *indices_allocated;
28 } CeedElemRestriction_Ref;
29 
30 typedef struct {
31   const CeedScalar **inputs;
32   CeedScalar **outputs;
33   bool setupdone;
34 } CeedQFunction_Ref;
35 
36 typedef struct {
37   CeedVector
38   *evecs;   /// E-vectors needed to apply operator (input followed by outputs)
39   CeedScalar ** edata;
40   CeedVector *qvecsin;   /// Input Q-vectors needed to apply operator
41   CeedVector *qvecsout;   /// Output Q-vectors needed to apply operator
42   CeedInt    numein;
43   CeedInt    numeout;
44   CeedVector tempvec;
45 } CeedOperator_Ref;
46 
47 CEED_INTERN int CeedVectorCreate_Ref(CeedInt n, CeedVector vec);
48 
49 CEED_INTERN int CeedElemRestrictionCreate_Ref(CeedMemType mtype,
50     CeedCopyMode cmode, const CeedInt *indices, CeedElemRestriction r);
51 
52 CEED_INTERN int CeedBasisCreateTensorH1_Ref(CeedInt dim, CeedInt P1d,
53     CeedInt Q1d, const CeedScalar *interp1d,
54     const CeedScalar *grad1d,
55     const CeedScalar *qref1d,
56     const CeedScalar *qweight1d,
57     CeedBasis basis);
58 
59 CEED_INTERN int CeedBasisCreateH1_Ref(CeedElemTopology topo,
60                                       CeedInt dim, CeedInt ndof, CeedInt nqpts,
61                                       const CeedScalar *interp,
62                                       const CeedScalar *grad,
63                                       const CeedScalar *qref,
64                                       const CeedScalar *qweight,
65                                       CeedBasis basis);
66 
67 CEED_INTERN int CeedQFunctionCreate_Ref(CeedQFunction qf);
68 
69 CEED_INTERN int CeedOperatorCreate_Ref(CeedOperator op);
70