xref: /libCEED/backends/ref/ceed-ref.h (revision a7dfafedf609254b38e08b1a69b8cef563b749ef)
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 <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   CeedVector
32   *evecs;   /// E-vectors needed to apply operator (input followed by outputs)
33   CeedScalar **edata;
34   CeedScalar **qdata; /// Inputs followed by outputs
35   CeedScalar
36   **qdata_alloc; /// Allocated quadrature data arrays (to be freed by us)
37   CeedScalar **indata;
38   CeedScalar **outdata;
39   CeedInt    numein;
40   CeedInt    numeout;
41   CeedInt    numqin;
42   CeedInt    numqout;
43 } CeedOperator_Ref;
44 
45 CEED_INTERN int CeedVectorCreate_Ref(Ceed ceed, CeedInt n, CeedVector vec);
46 
47 CEED_INTERN int CeedElemRestrictionCreate_Ref(CeedElemRestriction r,
48     CeedMemType mtype,
49     CeedCopyMode cmode, const CeedInt *indices);
50 
51 CEED_INTERN int CeedBasisCreateTensorH1_Ref(Ceed ceed, 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(Ceed ceed, CeedElemTopology topo,
59                                       CeedInt dim,
60                                       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