xref: /libCEED/backends/ref/ceed-ref.h (revision aa61631261dacfd7dfc5aac4c18819bc7a48a531)
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 *collo_grad_1d;
27   bool has_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 } CeedQFunction_Ref;
47 
48 typedef struct {
49   void *data;
50   void *data_allocated;
51 } CeedQFunctionContext_Ref;
52 
53 typedef struct {
54   bool is_identity_qf, is_identity_restr_op;
55   CeedVector *e_vecs_full; /* Full E-vectors, inputs followed by outputs */
56   uint64_t *input_states;  /* State counter of inputs */
57   CeedVector *e_vecs_in;   /* Single element input E-vectors  */
58   CeedVector *e_vecs_out;  /* Single element output E-vectors */
59   CeedVector *q_vecs_in;   /* Single element input Q-vectors  */
60   CeedVector *q_vecs_out;  /* Single element output Q-vectors */
61   CeedInt    num_inputs, num_outputs;
62   CeedInt    num_active_in, num_active_out;
63   CeedVector *qf_active_in;
64 } CeedOperator_Ref;
65 
66 CEED_INTERN int CeedVectorCreate_Ref(CeedInt n, CeedVector vec);
67 
68 CEED_INTERN int CeedElemRestrictionCreate_Ref(CeedMemType mem_type,
69     CeedCopyMode copy_mode, const CeedInt *indices, CeedElemRestriction r);
70 
71 CEED_INTERN int CeedBasisCreateTensorH1_Ref(CeedInt dim, CeedInt P_1d,
72     CeedInt Q_1d, const CeedScalar *interp_1d, const CeedScalar *grad_1d,
73     const CeedScalar *q_ref_1d, const CeedScalar *q_weight_1d, CeedBasis basis);
74 
75 CEED_INTERN int CeedBasisCreateH1_Ref(CeedElemTopology topo,
76                                       CeedInt dim, CeedInt num_dof, CeedInt num_qpts,
77                                       const CeedScalar *interp,
78                                       const CeedScalar *grad,
79                                       const CeedScalar *q_ref,
80                                       const CeedScalar *q_weight,
81                                       CeedBasis basis);
82 
83 CEED_INTERN int CeedTensorContractCreate_Ref(CeedBasis basis,
84     CeedTensorContract contract);
85 
86 CEED_INTERN int CeedQFunctionCreate_Ref(CeedQFunction qf);
87 
88 CEED_INTERN int CeedQFunctionContextCreate_Ref(CeedQFunctionContext ctx);
89 
90 CEED_INTERN int CeedOperatorCreate_Ref(CeedOperator op);
91 
92 #endif // _ceed_ref_h
93