xref: /libCEED/backends/ref/ceed-ref.h (revision 84a01de5ce080ac9cdd243d9d64da2df0ae9cb77)
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 *colograd1d;
22 } CeedBasis_Ref;
23 
24 typedef struct {
25   CeedScalar *array;
26   CeedScalar *array_allocated;
27 } CeedVector_Ref;
28 
29 typedef struct {
30   const CeedInt *indices;
31   CeedInt *indices_allocated;
32 } CeedElemRestriction_Ref;
33 
34 typedef struct {
35   const CeedScalar **inputs;
36   CeedScalar **outputs;
37   bool setupdone;
38 } CeedQFunction_Ref;
39 
40 typedef struct {
41   CeedVector
42   *evecs;   /// E-vectors needed to apply operator (input followed by outputs)
43   CeedScalar **edata;
44   uint64_t *inputstate;  /// State counter of inputs
45   CeedVector *evecsin;   /// Input E-vectors needed to apply operator
46   CeedVector *evecsout;  /// Output E-vectors needed to apply operator
47   CeedVector *qvecsin;   /// Input Q-vectors needed to apply operator
48   CeedVector *qvecsout;  /// Output Q-vectors needed to apply operator
49   CeedInt    numein;
50   CeedInt    numeout;
51 } CeedOperator_Ref;
52 
53 CEED_INTERN int CeedVectorCreate_Ref(CeedInt n, CeedVector vec);
54 
55 CEED_INTERN int CeedElemRestrictionCreate_Ref(CeedMemType mtype,
56     CeedCopyMode cmode, const CeedInt *indices, CeedElemRestriction r);
57 
58 CEED_INTERN int CeedBasisCreateTensorH1_Ref(CeedInt dim, CeedInt P1d,
59     CeedInt Q1d, const CeedScalar *interp1d,
60     const CeedScalar *grad1d,
61     const CeedScalar *qref1d,
62     const CeedScalar *qweight1d,
63     CeedBasis basis);
64 
65 CEED_INTERN int CeedBasisCreateH1_Ref(CeedElemTopology topo,
66                                       CeedInt dim, CeedInt ndof, CeedInt nqpts,
67                                       const CeedScalar *interp,
68                                       const CeedScalar *grad,
69                                       const CeedScalar *qref,
70                                       const CeedScalar *qweight,
71                                       CeedBasis basis);
72 
73 CEED_INTERN int CeedQFunctionCreate_Ref(CeedQFunction qf);
74 
75 CEED_INTERN int CeedOperatorCreate_Ref(CeedOperator op);
76