xref: /libCEED/tests/t523-operator.c (revision a9e65696a8c8214eb82d2dcf9ed1f28a32d2c94e)
1 /// @file
2 /// Test creation, action, and destruction for mass matrix operator
3 /// \test Test creation, action, and destruction for mass matrix operator
4 #include <ceed.h>
5 #include <math.h>
6 #include <stdlib.h>
7 
8 #include "t320-basis.h"
9 #include "t510-operator.h"
10 
11 /* The mesh comprises of two rows of 3 quadralaterals followed by one row
12      of 6 triangles:
13    _ _ _
14   |_|_|_|
15   |_|_|_|
16   |/|/|/|
17 
18 */
19 
20 int main(int argc, char **argv) {
21   Ceed                ceed;
22   CeedElemRestriction elem_restr_x_tet, elem_restr_u_tet, elem_restr_qd_tet, elem_restr_x_hex, elem_restr_u_hex, elem_restr_qd_i_hex;
23   CeedBasis           basis_x_tet, basis_u_tet, basis_x_hex, basis_u_hex;
24   CeedQFunction       qf_setup_tet, qf_mass_tet, qf_setup_hex, qf_mass_hex;
25   CeedOperator        op_setup_tet, op_mass_tet, op_setup_hex, op_mass_hex, op_setup, op_mass;
26   CeedVector          q_data_tet, q_data_hex, X;
27   CeedInt             nelem_tet = 6, P_tet = 6, Q_tet = 4, nelem_hex = 6, P_hex = 3, Q_hex = 4, dim = 2;
28   CeedInt             nx = 3, ny = 3, nx_tet = 3, ny_tet = 1, nx_hex = 3;
29   CeedInt             row, col, offset;
30   CeedInt             num_dofs = (nx * 2 + 1) * (ny * 2 + 1), num_qpts_tet = nelem_tet * Q_tet, num_qpts_hex = nelem_hex * Q_hex * Q_hex;
31   CeedInt             ind_x_tet[nelem_tet * P_tet], ind_x_hex[nelem_hex * P_hex * P_hex];
32   CeedScalar          q_ref[dim * Q_tet], q_weight[Q_tet];
33   CeedScalar          interp[P_tet * Q_tet], grad[dim * P_tet * Q_tet];
34 
35   CeedInit(argv[1], &ceed);
36 
37   // DoF Coordinates
38   CeedVectorCreate(ceed, dim * num_dofs, &X);
39 
40   // Qdata Vectors
41   CeedVectorCreate(ceed, num_qpts_tet, &q_data_tet);
42   CeedVectorCreate(ceed, num_qpts_hex, &q_data_hex);
43 
44   // Set up _tet Elements
45   for (CeedInt i = 0; i < nelem_tet / 2; i++) {
46     col    = i % nx_tet;
47     row    = i / nx_tet;
48     offset = col * 2 + row * (nx_tet * 2 + 1) * 2;
49 
50     ind_x_tet[i * 2 * P_tet + 0] = 2 + offset;
51     ind_x_tet[i * 2 * P_tet + 1] = 9 + offset;
52     ind_x_tet[i * 2 * P_tet + 2] = 16 + offset;
53     ind_x_tet[i * 2 * P_tet + 3] = 1 + offset;
54     ind_x_tet[i * 2 * P_tet + 4] = 8 + offset;
55     ind_x_tet[i * 2 * P_tet + 5] = 0 + offset;
56 
57     ind_x_tet[i * 2 * P_tet + 6]  = 14 + offset;
58     ind_x_tet[i * 2 * P_tet + 7]  = 7 + offset;
59     ind_x_tet[i * 2 * P_tet + 8]  = 0 + offset;
60     ind_x_tet[i * 2 * P_tet + 9]  = 15 + offset;
61     ind_x_tet[i * 2 * P_tet + 10] = 8 + offset;
62     ind_x_tet[i * 2 * P_tet + 11] = 16 + offset;
63   }
64 
65   // -- Restrictions
66   CeedElemRestrictionCreate(ceed, nelem_tet, P_tet, dim, num_dofs, dim * num_dofs, CEED_MEM_HOST, CEED_USE_POINTER, ind_x_tet, &elem_restr_x_tet);
67 
68   CeedElemRestrictionCreate(ceed, nelem_tet, P_tet, 1, 1, num_dofs, CEED_MEM_HOST, CEED_USE_POINTER, ind_x_tet, &elem_restr_u_tet);
69   CeedInt strides_qd_tet[3] = {1, Q_tet, Q_tet};
70   CeedElemRestrictionCreateStrided(ceed, nelem_tet, Q_tet, 1, num_qpts_tet, strides_qd_tet, &elem_restr_qd_tet);
71 
72   // -- Bases
73   buildmats(q_ref, q_weight, interp, grad);
74   CeedBasisCreateH1(ceed, CEED_TOPOLOGY_TRIANGLE, dim, P_tet, Q_tet, interp, grad, q_ref, q_weight, &basis_x_tet);
75 
76   buildmats(q_ref, q_weight, interp, grad);
77   CeedBasisCreateH1(ceed, CEED_TOPOLOGY_TRIANGLE, 1, P_tet, Q_tet, interp, grad, q_ref, q_weight, &basis_u_tet);
78 
79   // -- QFunctions
80   CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup_tet);
81   CeedQFunctionAddInput(qf_setup_tet, "weight", 1, CEED_EVAL_WEIGHT);
82   CeedQFunctionAddInput(qf_setup_tet, "dx", dim * dim, CEED_EVAL_GRAD);
83   CeedQFunctionAddOutput(qf_setup_tet, "rho", 1, CEED_EVAL_NONE);
84 
85   CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass_tet);
86   CeedQFunctionAddInput(qf_mass_tet, "rho", 1, CEED_EVAL_NONE);
87   CeedQFunctionAddInput(qf_mass_tet, "u", 1, CEED_EVAL_INTERP);
88   CeedQFunctionAddOutput(qf_mass_tet, "v", 1, CEED_EVAL_INTERP);
89 
90   // -- Operators
91   // ---- Setup _tet
92   CeedOperatorCreate(ceed, qf_setup_tet, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_setup_tet);
93   CeedOperatorSetName(op_setup_tet, "triangle elements");
94   CeedOperatorSetField(op_setup_tet, "weight", CEED_ELEMRESTRICTION_NONE, basis_x_tet, CEED_VECTOR_NONE);
95   CeedOperatorSetField(op_setup_tet, "dx", elem_restr_x_tet, basis_x_tet, CEED_VECTOR_ACTIVE);
96   CeedOperatorSetField(op_setup_tet, "rho", elem_restr_qd_tet, CEED_BASIS_COLLOCATED, q_data_tet);
97   // ---- Mass _tet
98   CeedOperatorCreate(ceed, qf_mass_tet, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_mass_tet);
99   CeedOperatorSetName(op_mass_tet, "triangle elements");
100   CeedOperatorSetField(op_mass_tet, "rho", elem_restr_qd_tet, CEED_BASIS_COLLOCATED, q_data_tet);
101   CeedOperatorSetField(op_mass_tet, "u", elem_restr_u_tet, basis_u_tet, CEED_VECTOR_ACTIVE);
102   CeedOperatorSetField(op_mass_tet, "v", elem_restr_u_tet, basis_u_tet, CEED_VECTOR_ACTIVE);
103 
104   // Set up _hex Elements
105   for (CeedInt i = 0; i < nelem_hex; i++) {
106     col    = i % nx_hex;
107     row    = i / nx_hex;
108     offset = (nx_tet * 2 + 1) * (ny_tet * 2) * (1 + row) + col * 2;
109     for (CeedInt j = 0; j < P_hex; j++) {
110       for (CeedInt k = 0; k < P_hex; k++) ind_x_hex[P_hex * (P_hex * i + k) + j] = offset + k * (nx_hex * 2 + 1) + j;
111     }
112   }
113 
114   // -- Restrictions
115   CeedElemRestrictionCreate(ceed, nelem_hex, P_hex * P_hex, dim, num_dofs, dim * num_dofs, CEED_MEM_HOST, CEED_USE_POINTER, ind_x_hex,
116                             &elem_restr_x_hex);
117 
118   CeedElemRestrictionCreate(ceed, nelem_hex, P_hex * P_hex, 1, 1, num_dofs, CEED_MEM_HOST, CEED_USE_POINTER, ind_x_hex, &elem_restr_u_hex);
119   CeedInt strides_qd_hex[3] = {1, Q_hex * Q_hex, Q_hex * Q_hex};
120   CeedElemRestrictionCreateStrided(ceed, nelem_hex, Q_hex * Q_hex, 1, num_qpts_hex, strides_qd_hex, &elem_restr_qd_i_hex);
121 
122   // -- Bases
123   CeedBasisCreateTensorH1Lagrange(ceed, dim, dim, P_hex, Q_hex, CEED_GAUSS, &basis_x_hex);
124   CeedBasisCreateTensorH1Lagrange(ceed, dim, 1, P_hex, Q_hex, CEED_GAUSS, &basis_u_hex);
125 
126   // -- QFunctions
127   CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup_hex);
128   CeedQFunctionAddInput(qf_setup_hex, "weight", 1, CEED_EVAL_WEIGHT);
129   CeedQFunctionAddInput(qf_setup_hex, "dx", dim * dim, CEED_EVAL_GRAD);
130   CeedQFunctionAddOutput(qf_setup_hex, "rho", 1, CEED_EVAL_NONE);
131 
132   CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass_hex);
133   CeedQFunctionAddInput(qf_mass_hex, "rho", 1, CEED_EVAL_NONE);
134   CeedQFunctionAddInput(qf_mass_hex, "u", 1, CEED_EVAL_INTERP);
135   CeedQFunctionAddOutput(qf_mass_hex, "v", 1, CEED_EVAL_INTERP);
136 
137   // -- Operators
138   CeedOperatorCreate(ceed, qf_setup_hex, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_setup_hex);
139   CeedOperatorSetName(op_setup_hex, "quadralateral elements");
140   CeedOperatorSetField(op_setup_hex, "weight", CEED_ELEMRESTRICTION_NONE, basis_x_hex, CEED_VECTOR_NONE);
141   CeedOperatorSetField(op_setup_hex, "dx", elem_restr_x_hex, basis_x_hex, CEED_VECTOR_ACTIVE);
142   CeedOperatorSetField(op_setup_hex, "rho", elem_restr_qd_i_hex, CEED_BASIS_COLLOCATED, q_data_hex);
143 
144   CeedOperatorCreate(ceed, qf_mass_hex, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_mass_hex);
145   CeedOperatorSetName(op_mass_hex, "quadralateral elements");
146   CeedOperatorSetField(op_mass_hex, "rho", elem_restr_qd_i_hex, CEED_BASIS_COLLOCATED, q_data_hex);
147   CeedOperatorSetField(op_mass_hex, "u", elem_restr_u_hex, basis_u_hex, CEED_VECTOR_ACTIVE);
148   CeedOperatorSetField(op_mass_hex, "v", elem_restr_u_hex, basis_u_hex, CEED_VECTOR_ACTIVE);
149 
150   // Set up Composite Operators
151   // -- Create
152   CeedCompositeOperatorCreate(ceed, &op_setup);
153   CeedOperatorSetName(op_setup, "setup");
154   // -- Add SubOperators
155   CeedCompositeOperatorAddSub(op_setup, op_setup_tet);
156   CeedCompositeOperatorAddSub(op_setup, op_setup_hex);
157 
158   // -- Create
159   CeedCompositeOperatorCreate(ceed, &op_mass);
160   CeedOperatorSetName(op_mass, "mass");
161   // -- Add SubOperators
162   CeedCompositeOperatorAddSub(op_mass, op_mass_tet);
163   CeedCompositeOperatorAddSub(op_mass, op_mass_hex);
164 
165   // View
166   CeedOperatorView(op_setup, stdout);
167   CeedOperatorView(op_mass, stdout);
168 
169   // Cleanup
170   CeedQFunctionDestroy(&qf_setup_tet);
171   CeedQFunctionDestroy(&qf_mass_tet);
172   CeedOperatorDestroy(&op_setup_tet);
173   CeedOperatorDestroy(&op_mass_tet);
174   CeedQFunctionDestroy(&qf_setup_hex);
175   CeedQFunctionDestroy(&qf_mass_hex);
176   CeedOperatorDestroy(&op_setup_hex);
177   CeedOperatorDestroy(&op_mass_hex);
178   CeedOperatorDestroy(&op_setup);
179   CeedOperatorDestroy(&op_mass);
180   CeedElemRestrictionDestroy(&elem_restr_u_tet);
181   CeedElemRestrictionDestroy(&elem_restr_x_tet);
182   CeedElemRestrictionDestroy(&elem_restr_qd_tet);
183   CeedElemRestrictionDestroy(&elem_restr_u_hex);
184   CeedElemRestrictionDestroy(&elem_restr_x_hex);
185   CeedElemRestrictionDestroy(&elem_restr_qd_i_hex);
186   CeedBasisDestroy(&basis_u_tet);
187   CeedBasisDestroy(&basis_x_tet);
188   CeedBasisDestroy(&basis_u_hex);
189   CeedBasisDestroy(&basis_x_hex);
190   CeedVectorDestroy(&X);
191   CeedVectorDestroy(&q_data_tet);
192   CeedVectorDestroy(&q_data_hex);
193   CeedDestroy(&ceed);
194   return 0;
195 }
196