xref: /libCEED/tests/t523-operator.c (revision a8d322087fa8f150327cdc2bf14a171452b711ec)
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 <stdlib.h>
6 #include <math.h>
7 #include "t320-basis.h"
8 #include "t510-operator.h"
9 
10 /* The mesh comprises of two rows of 3 quadralaterals followed by one row
11      of 6 triangles:
12    _ _ _
13   |_|_|_|
14   |_|_|_|
15   |/|/|/|
16 
17 */
18 
19 int main(int argc, char **argv) {
20   Ceed ceed;
21   CeedTransposeMode lmode = CEED_NOTRANSPOSE;
22   CeedElemRestriction ErestrictxTet, ErestrictuTet,
23                       ErestrictxiTet, ErestrictuiTet,
24                       ErestrictxHex, ErestrictuHex,
25                       ErestrictxiHex, ErestrictuiHex;
26   CeedBasis bxTet, buTet,
27             bxHex, buHex;
28   CeedQFunction qf_setupTet, qf_massTet,
29                 qf_setupHex, qf_massHex;
30   CeedOperator op_setupTet, op_massTet,
31                op_setupHex, op_massHex,
32                op_setup, op_mass;
33   CeedVector qdataTet, qdataHex, X;
34   CeedInt nelemTet = 6, PTet = 6, QTet = 4,
35           nelemHex = 6, PHex = 3, QHex = 4, dim = 2;
36   CeedInt nx = 3, ny = 3,
37           nxTet = 3, nyTet = 1, nxHex = 3;
38   CeedInt row, col, offset;
39   CeedInt ndofs = (nx*2+1)*(ny*2+1),
40           nqptsTet = nelemTet*QTet,
41           nqptsHex = nelemHex*QHex*QHex;
42   CeedInt indxTet[nelemTet*PTet],
43           indxHex[nelemHex*PHex*PHex];
44   CeedScalar qref[dim*QTet], qweight[QTet];
45   CeedScalar interp[PTet*QTet], grad[dim*PTet*QTet];
46 
47   CeedInit(argv[1], &ceed);
48 
49   // DoF Coordinates
50   CeedVectorCreate(ceed, dim*ndofs, &X);
51 
52   // Qdata Vectors
53   CeedVectorCreate(ceed, nqptsTet, &qdataTet);
54   CeedVectorCreate(ceed, nqptsHex, &qdataHex);
55 
56   // Set up Tet Elements
57   for (CeedInt i=0; i<nelemTet/2; i++) {
58     col = i % nxTet;
59     row = i / nxTet;
60     offset = col*2 + row*(nxTet*2+1)*2;
61 
62     indxTet[i*2*PTet +  0] =  2 + offset;
63     indxTet[i*2*PTet +  1] =  9 + offset;
64     indxTet[i*2*PTet +  2] = 16 + offset;
65     indxTet[i*2*PTet +  3] =  1 + offset;
66     indxTet[i*2*PTet +  4] =  8 + offset;
67     indxTet[i*2*PTet +  5] =  0 + offset;
68 
69     indxTet[i*2*PTet +  6] = 14 + offset;
70     indxTet[i*2*PTet +  7] =  7 + offset;
71     indxTet[i*2*PTet +  8] =  0 + offset;
72     indxTet[i*2*PTet +  9] = 15 + offset;
73     indxTet[i*2*PTet + 10] =  8 + offset;
74     indxTet[i*2*PTet + 11] = 16 + offset;
75   }
76 
77   // -- Restrictions
78   CeedElemRestrictionCreate(ceed, lmode, nelemTet, PTet, ndofs, dim,
79                             CEED_MEM_HOST, CEED_USE_POINTER, indxTet,
80                             &ErestrictxTet);
81   CeedElemRestrictionCreateIdentity(ceed, lmode, nelemTet, PTet, nelemTet*PTet,
82                                     dim, &ErestrictxiTet);
83 
84   CeedElemRestrictionCreate(ceed, lmode, nelemTet, PTet, ndofs, 1,
85                             CEED_MEM_HOST, CEED_USE_POINTER, indxTet,
86                             &ErestrictuTet);
87   CeedElemRestrictionCreateIdentity(ceed, lmode, nelemTet, QTet, nqptsTet, 1,
88                                     &ErestrictuiTet);
89 
90   // -- Bases
91   buildmats(qref, qweight, interp, grad);
92   CeedBasisCreateH1(ceed, CEED_TRIANGLE, dim, PTet, QTet, interp, grad, qref,
93                     qweight, &bxTet);
94 
95   buildmats(qref, qweight, interp, grad);
96   CeedBasisCreateH1(ceed, CEED_TRIANGLE, 1, PTet, QTet, interp, grad, qref,
97                     qweight, &buTet);
98 
99   // -- QFunctions
100   CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setupTet);
101   CeedQFunctionAddInput(qf_setupTet, "_weight", 1, CEED_EVAL_WEIGHT);
102   CeedQFunctionAddInput(qf_setupTet, "dx", dim*dim, CEED_EVAL_GRAD);
103   CeedQFunctionAddOutput(qf_setupTet, "rho", 1, CEED_EVAL_NONE);
104 
105   CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_massTet);
106   CeedQFunctionAddInput(qf_massTet, "rho", 1, CEED_EVAL_NONE);
107   CeedQFunctionAddInput(qf_massTet, "u", 1, CEED_EVAL_INTERP);
108   CeedQFunctionAddOutput(qf_massTet, "v", 1, CEED_EVAL_INTERP);
109 
110   // -- Operators
111   // ---- Setup Tet
112   CeedOperatorCreate(ceed, qf_setupTet, CEED_QFUNCTION_NONE,
113                      CEED_QFUNCTION_NONE, &op_setupTet);
114   CeedOperatorSetField(op_setupTet, "_weight", ErestrictxiTet, bxTet,
115                        CEED_VECTOR_NONE);
116   CeedOperatorSetField(op_setupTet, "dx", ErestrictxTet, bxTet,
117                        CEED_VECTOR_ACTIVE);
118   CeedOperatorSetField(op_setupTet, "rho", ErestrictuiTet,
119                        CEED_BASIS_COLLOCATED, qdataTet);
120   // ---- Mass Tet
121   CeedOperatorCreate(ceed, qf_massTet, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE,
122                      &op_massTet);
123   CeedOperatorSetField(op_massTet, "rho", ErestrictuiTet, CEED_BASIS_COLLOCATED,
124                        qdataTet);
125   CeedOperatorSetField(op_massTet, "u", ErestrictuTet, buTet,
126                        CEED_VECTOR_ACTIVE);
127   CeedOperatorSetField(op_massTet, "v", ErestrictuTet, buTet,
128                        CEED_VECTOR_ACTIVE);
129 
130   // Set up Hex Elements
131   for (CeedInt i=0; i<nelemHex; i++) {
132     col = i % nxHex;
133     row = i / nxHex;
134     offset = (nxTet*2+1)*(nyTet*2)*(1+row) + col*2;
135     for (CeedInt j=0; j<PHex; j++)
136       for (CeedInt k=0; k<PHex; k++)
137         indxHex[PHex*(PHex*i+k)+j] = offset + k*(nxHex*2+1) + j;
138   }
139 
140   // -- Restrictions
141   CeedElemRestrictionCreate(ceed, lmode, nelemHex, PHex*PHex, ndofs, dim,
142                             CEED_MEM_HOST, CEED_USE_POINTER, indxHex,
143                             &ErestrictxHex);
144   CeedElemRestrictionCreateIdentity(ceed, lmode, nelemHex, PHex*PHex,
145                                     nelemHex*PHex*PHex, dim, &ErestrictxiHex);
146 
147   CeedElemRestrictionCreate(ceed, lmode, nelemHex, PHex*PHex, ndofs, 1,
148                             CEED_MEM_HOST, CEED_USE_POINTER, indxHex,
149                             &ErestrictuHex);
150   CeedElemRestrictionCreateIdentity(ceed, lmode, nelemHex, QHex*QHex, nqptsHex,
151                                     1, &ErestrictuiHex);
152 
153   // -- Bases
154   CeedBasisCreateTensorH1Lagrange(ceed, dim, dim, PHex, QHex, CEED_GAUSS,
155                                   &bxHex);
156   CeedBasisCreateTensorH1Lagrange(ceed, dim, 1, PHex, QHex, CEED_GAUSS, &buHex);
157 
158   // -- QFunctions
159   CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setupHex);
160   CeedQFunctionAddInput(qf_setupHex, "_weight", 1, CEED_EVAL_WEIGHT);
161   CeedQFunctionAddInput(qf_setupHex, "dx", dim*dim, CEED_EVAL_GRAD);
162   CeedQFunctionAddOutput(qf_setupHex, "rho", 1, CEED_EVAL_NONE);
163 
164   CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_massHex);
165   CeedQFunctionAddInput(qf_massHex, "rho", 1, CEED_EVAL_NONE);
166   CeedQFunctionAddInput(qf_massHex, "u", 1, CEED_EVAL_INTERP);
167   CeedQFunctionAddOutput(qf_massHex, "v", 1, CEED_EVAL_INTERP);
168 
169   // -- Operators
170   CeedOperatorCreate(ceed, qf_setupHex, CEED_QFUNCTION_NONE,
171                      CEED_QFUNCTION_NONE, &op_setupHex);
172   CeedOperatorSetField(op_setupHex, "_weight", ErestrictxiHex, bxHex,
173                        CEED_VECTOR_NONE);
174   CeedOperatorSetField(op_setupHex, "dx", ErestrictxHex, bxHex,
175                        CEED_VECTOR_ACTIVE);
176   CeedOperatorSetField(op_setupHex, "rho", ErestrictuiHex,
177                        CEED_BASIS_COLLOCATED, qdataHex);
178 
179   CeedOperatorCreate(ceed, qf_massHex, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE,
180                      &op_massHex);
181   CeedOperatorSetField(op_massHex, "rho", ErestrictuiHex, CEED_BASIS_COLLOCATED,
182                        qdataHex);
183   CeedOperatorSetField(op_massHex, "u", ErestrictuHex, buHex,
184                        CEED_VECTOR_ACTIVE);
185   CeedOperatorSetField(op_massHex, "v", ErestrictuHex, buHex,
186                        CEED_VECTOR_ACTIVE);
187 
188   // Set up Composite Operators
189   // -- Create
190   CeedCompositeOperatorCreate(ceed, &op_setup);
191   // -- Add SubOperators
192   CeedCompositeOperatorAddSub(op_setup, op_setupTet);
193   CeedCompositeOperatorAddSub(op_setup, op_setupHex);
194 
195   // -- Create
196   CeedCompositeOperatorCreate(ceed, &op_mass);
197   // -- Add SubOperators
198   CeedCompositeOperatorAddSub(op_mass, op_massTet);
199   CeedCompositeOperatorAddSub(op_mass, op_massHex);
200 
201   // View
202   CeedOperatorView(op_setup, stdout);
203   CeedOperatorView(op_mass, stdout);
204 
205   // Cleanup
206   CeedQFunctionDestroy(&qf_setupTet);
207   CeedQFunctionDestroy(&qf_massTet);
208   CeedOperatorDestroy(&op_setupTet);
209   CeedOperatorDestroy(&op_massTet);
210   CeedQFunctionDestroy(&qf_setupHex);
211   CeedQFunctionDestroy(&qf_massHex);
212   CeedOperatorDestroy(&op_setupHex);
213   CeedOperatorDestroy(&op_massHex);
214   CeedOperatorDestroy(&op_setup);
215   CeedOperatorDestroy(&op_mass);
216   CeedElemRestrictionDestroy(&ErestrictuTet);
217   CeedElemRestrictionDestroy(&ErestrictxTet);
218   CeedElemRestrictionDestroy(&ErestrictuiTet);
219   CeedElemRestrictionDestroy(&ErestrictxiTet);
220   CeedElemRestrictionDestroy(&ErestrictuHex);
221   CeedElemRestrictionDestroy(&ErestrictxHex);
222   CeedElemRestrictionDestroy(&ErestrictuiHex);
223   CeedElemRestrictionDestroy(&ErestrictxiHex);
224   CeedBasisDestroy(&buTet);
225   CeedBasisDestroy(&bxTet);
226   CeedBasisDestroy(&buHex);
227   CeedBasisDestroy(&bxHex);
228   CeedVectorDestroy(&X);
229   CeedVectorDestroy(&qdataTet);
230   CeedVectorDestroy(&qdataHex);
231   CeedDestroy(&ceed);
232   return 0;
233 }
234