xref: /libCEED/backends/ref/ceed-ref.h (revision a697ff736c4bbf0dcf3b0c0690ba5a6b92dd6bdf)
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 #ifndef _ceed_ref_h
18 #define _ceed_ref_h
19 
20 #include <ceed/ceed.h>
21 #include <ceed/backend.h>
22 #include <stdbool.h>
23 #include <stdint.h>
24 
25 typedef struct {
26   CeedScalar *collograd1d;
27   bool collo_interp;
28 } CeedBasis_Ref;
29 
30 typedef struct {
31   CeedScalar *array;
32   CeedScalar *array_allocated;
33 } CeedVector_Ref;
34 
35 typedef struct {
36   const CeedInt *offsets;
37   CeedInt *offsets_allocated;
38   int (*Apply)(CeedElemRestriction, const CeedInt, const CeedInt,
39                const CeedInt, CeedInt, CeedInt, CeedTransposeMode, CeedVector,
40                CeedVector, CeedRequest *);
41 } CeedElemRestriction_Ref;
42 
43 typedef struct {
44   const CeedScalar **inputs;
45   CeedScalar **outputs;
46   bool setup_done;
47 } CeedQFunction_Ref;
48 
49 typedef struct {
50   void *data;
51   void *data_allocated;
52 } CeedQFunctionContext_Ref;
53 
54 typedef struct {
55   bool identity_qf;
56   CeedVector
57   *e_vecs;   /* E-vectors needed to apply operator (input followed by outputs) */
58   CeedScalar **e_data;
59   uint64_t *input_state;   /* State counter of inputs */
60   CeedVector *e_vecs_in;   /* Input E-vectors needed to apply operator */
61   CeedVector *e_vecs_out;  /* Output E-vectors needed to apply operator */
62   CeedVector *q_vecs_in;   /* Input Q-vectors needed to apply operator */
63   CeedVector *q_vecs_out;  /* Output Q-vectors needed to apply operator */
64   CeedInt    num_e_vecs_in;
65   CeedInt    num_e_vecs_out;
66 } CeedOperator_Ref;
67 
68 CEED_INTERN int CeedVectorCreate_Ref(CeedInt n, CeedVector vec);
69 
70 CEED_INTERN int CeedElemRestrictionCreate_Ref(CeedMemType mem_type,
71     CeedCopyMode copy_mode, const CeedInt *indices, CeedElemRestriction r);
72 
73 CEED_INTERN int CeedBasisCreateTensorH1_Ref(CeedInt dim, CeedInt P_1d,
74     CeedInt Q_1d, const CeedScalar *interp_1d, const CeedScalar *grad_1d,
75     const CeedScalar *q_ref_1d, const CeedScalar *q_weight_1d, CeedBasis basis);
76 
77 CEED_INTERN int CeedBasisCreateH1_Ref(CeedElemTopology topo,
78                                       CeedInt dim, CeedInt num_dof, CeedInt num_qpts,
79                                       const CeedScalar *interp,
80                                       const CeedScalar *grad,
81                                       const CeedScalar *q_ref,
82                                       const CeedScalar *q_weight,
83                                       CeedBasis basis);
84 
85 CEED_INTERN int CeedTensorContractCreate_Ref(CeedBasis basis,
86     CeedTensorContract contract);
87 
88 CEED_INTERN int CeedQFunctionCreate_Ref(CeedQFunction qf);
89 
90 CEED_INTERN int CeedQFunctionContextCreate_Ref(CeedQFunctionContext ctx);
91 
92 CEED_INTERN int CeedOperatorCreate_Ref(CeedOperator op);
93 
94 CEED_INTERN int CeedCompositeOperatorCreate_Ref(CeedOperator op);
95 
96 #endif // _ceed_ref_h
97