xref: /libCEED/backends/ref/ceed-ref.h (revision 6397b31bcaf7e994aea0d6896897f7cd33505ad1)
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 #include <math.h>
20 
21 typedef struct {
22   CeedScalar *collograd1d;
23   bool collointerp;
24 } CeedBasis_Ref;
25 
26 typedef struct {
27   CeedScalar *array;
28   CeedScalar *array_allocated;
29 } CeedVector_Ref;
30 
31 typedef struct {
32   const CeedInt *offsets;
33   CeedInt *offsets_allocated;
34   int (*Apply)(CeedElemRestriction, const CeedInt, const CeedInt,
35                const CeedInt, CeedInt, CeedInt, CeedTransposeMode, CeedVector,
36                CeedVector, CeedRequest *);
37 } CeedElemRestriction_Ref;
38 
39 typedef struct {
40   const CeedScalar **inputs;
41   CeedScalar **outputs;
42   bool setupdone;
43 } CeedQFunction_Ref;
44 
45 typedef struct {
46   bool identityqf;
47   CeedVector
48   *evecs;   /// E-vectors needed to apply operator (input followed by outputs)
49   CeedScalar **edata;
50   uint64_t *inputstate;  /// State counter of inputs
51   CeedVector *evecsin;   /// Input E-vectors needed to apply operator
52   CeedVector *evecsout;  /// Output E-vectors needed to apply operator
53   CeedVector *qvecsin;   /// Input Q-vectors needed to apply operator
54   CeedVector *qvecsout;  /// Output Q-vectors needed to apply operator
55   CeedInt    numein;
56   CeedInt    numeout;
57 } CeedOperator_Ref;
58 
59 CEED_INTERN int CeedVectorCreate_Ref(CeedInt n, CeedVector vec);
60 
61 CEED_INTERN int CeedElemRestrictionCreate_Ref(CeedMemType mtype,
62     CeedCopyMode cmode, const CeedInt *indices, CeedElemRestriction r);
63 
64 CEED_INTERN int CeedBasisCreateTensorH1_Ref(CeedInt dim, CeedInt P1d,
65     CeedInt Q1d, const CeedScalar *interp1d, const CeedScalar *grad1d,
66     const CeedScalar *qref1d, const CeedScalar *qweight1d, CeedBasis basis);
67 
68 CEED_INTERN int CeedBasisCreateH1_Ref(CeedElemTopology topo,
69                                       CeedInt dim, CeedInt ndof, CeedInt nqpts,
70                                       const CeedScalar *interp,
71                                       const CeedScalar *grad,
72                                       const CeedScalar *qref,
73                                       const CeedScalar *qweight,
74                                       CeedBasis basis);
75 
76 CEED_INTERN int CeedTensorContractCreate_Ref(CeedBasis basis,
77     CeedTensorContract contract);
78 
79 CEED_INTERN int CeedQFunctionCreate_Ref(CeedQFunction qf);
80 
81 CEED_INTERN int CeedOperatorCreate_Ref(CeedOperator op);
82 
83 CEED_INTERN int CeedCompositeOperatorCreate_Ref(CeedOperator op);
84