xref: /libCEED/tests/t523-operator.c (revision 15910d16b955338d1102d4e730fc58bca8f202b9)
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   CeedInterlaceMode imode = CEED_NONINTERLACED;
22   CeedElemRestriction ErestrictxTet, ErestrictuTet,
23                       ErestrictuiTet,
24                       ErestrictxHex, ErestrictuHex,
25                       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, imode, nelemTet, PTet, ndofs, dim,
79                             CEED_MEM_HOST, CEED_USE_POINTER, indxTet,
80                             &ErestrictxTet);
81 
82   CeedElemRestrictionCreate(ceed, imode, nelemTet, PTet, ndofs, 1,
83                             CEED_MEM_HOST, CEED_USE_POINTER, indxTet,
84                             &ErestrictuTet);
85   CeedInt stridesuTet[3] = {1, QTet, QTet};
86   CeedElemRestrictionCreateStrided(ceed,  nelemTet, QTet, nqptsTet, 1,
87                                    stridesuTet, &ErestrictuiTet);
88 
89   // -- Bases
90   buildmats(qref, qweight, interp, grad);
91   CeedBasisCreateH1(ceed, CEED_TRIANGLE, dim, PTet, QTet, interp, grad, qref,
92                     qweight, &bxTet);
93 
94   buildmats(qref, qweight, interp, grad);
95   CeedBasisCreateH1(ceed, CEED_TRIANGLE, 1, PTet, QTet, interp, grad, qref,
96                     qweight, &buTet);
97 
98   // -- QFunctions
99   CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setupTet);
100   CeedQFunctionAddInput(qf_setupTet, "_weight", 1, CEED_EVAL_WEIGHT);
101   CeedQFunctionAddInput(qf_setupTet, "dx", dim*dim, CEED_EVAL_GRAD);
102   CeedQFunctionAddOutput(qf_setupTet, "rho", 1, CEED_EVAL_NONE);
103 
104   CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_massTet);
105   CeedQFunctionAddInput(qf_massTet, "rho", 1, CEED_EVAL_NONE);
106   CeedQFunctionAddInput(qf_massTet, "u", 1, CEED_EVAL_INTERP);
107   CeedQFunctionAddOutput(qf_massTet, "v", 1, CEED_EVAL_INTERP);
108 
109   // -- Operators
110   // ---- Setup Tet
111   CeedOperatorCreate(ceed, qf_setupTet, CEED_QFUNCTION_NONE,
112                      CEED_QFUNCTION_NONE, &op_setupTet);
113   CeedOperatorSetField(op_setupTet, "_weight", CEED_ELEMRESTRICTION_NONE, bxTet,
114                        CEED_VECTOR_NONE);
115   CeedOperatorSetField(op_setupTet, "dx", ErestrictxTet, bxTet,
116                        CEED_VECTOR_ACTIVE);
117   CeedOperatorSetField(op_setupTet, "rho", ErestrictuiTet,
118                        CEED_BASIS_COLLOCATED, qdataTet);
119   // ---- Mass Tet
120   CeedOperatorCreate(ceed, qf_massTet, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE,
121                      &op_massTet);
122   CeedOperatorSetField(op_massTet, "rho", ErestrictuiTet, CEED_BASIS_COLLOCATED,
123                        qdataTet);
124   CeedOperatorSetField(op_massTet, "u", ErestrictuTet, buTet,
125                        CEED_VECTOR_ACTIVE);
126   CeedOperatorSetField(op_massTet, "v", ErestrictuTet, buTet,
127                        CEED_VECTOR_ACTIVE);
128 
129   // Set up Hex Elements
130   for (CeedInt i=0; i<nelemHex; i++) {
131     col = i % nxHex;
132     row = i / nxHex;
133     offset = (nxTet*2+1)*(nyTet*2)*(1+row) + col*2;
134     for (CeedInt j=0; j<PHex; j++)
135       for (CeedInt k=0; k<PHex; k++)
136         indxHex[PHex*(PHex*i+k)+j] = offset + k*(nxHex*2+1) + j;
137   }
138 
139   // -- Restrictions
140   CeedElemRestrictionCreate(ceed, imode, nelemHex, PHex*PHex, ndofs, dim,
141                             CEED_MEM_HOST, CEED_USE_POINTER, indxHex,
142                             &ErestrictxHex);
143 
144   CeedElemRestrictionCreate(ceed, imode, nelemHex, PHex*PHex, ndofs, 1,
145                             CEED_MEM_HOST, CEED_USE_POINTER, indxHex,
146                             &ErestrictuHex);
147   CeedInt stridesuHex[3] = {1, QHex*QHex, QHex*QHex};
148   CeedElemRestrictionCreateStrided(ceed, nelemHex, QHex*QHex, nqptsHex, 1,
149                                    stridesuHex, &ErestrictuiHex);
150 
151   // -- Bases
152   CeedBasisCreateTensorH1Lagrange(ceed, dim, dim, PHex, QHex, CEED_GAUSS,
153                                   &bxHex);
154   CeedBasisCreateTensorH1Lagrange(ceed, dim, 1, PHex, QHex, CEED_GAUSS, &buHex);
155 
156   // -- QFunctions
157   CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setupHex);
158   CeedQFunctionAddInput(qf_setupHex, "_weight", 1, CEED_EVAL_WEIGHT);
159   CeedQFunctionAddInput(qf_setupHex, "dx", dim*dim, CEED_EVAL_GRAD);
160   CeedQFunctionAddOutput(qf_setupHex, "rho", 1, CEED_EVAL_NONE);
161 
162   CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_massHex);
163   CeedQFunctionAddInput(qf_massHex, "rho", 1, CEED_EVAL_NONE);
164   CeedQFunctionAddInput(qf_massHex, "u", 1, CEED_EVAL_INTERP);
165   CeedQFunctionAddOutput(qf_massHex, "v", 1, CEED_EVAL_INTERP);
166 
167   // -- Operators
168   CeedOperatorCreate(ceed, qf_setupHex, CEED_QFUNCTION_NONE,
169                      CEED_QFUNCTION_NONE, &op_setupHex);
170   CeedOperatorSetField(op_setupHex, "_weight", CEED_ELEMRESTRICTION_NONE, bxHex,
171                        CEED_VECTOR_NONE);
172   CeedOperatorSetField(op_setupHex, "dx", ErestrictxHex, bxHex,
173                        CEED_VECTOR_ACTIVE);
174   CeedOperatorSetField(op_setupHex, "rho", ErestrictuiHex,
175                        CEED_BASIS_COLLOCATED, qdataHex);
176 
177   CeedOperatorCreate(ceed, qf_massHex, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE,
178                      &op_massHex);
179   CeedOperatorSetField(op_massHex, "rho", ErestrictuiHex, CEED_BASIS_COLLOCATED,
180                        qdataHex);
181   CeedOperatorSetField(op_massHex, "u", ErestrictuHex, buHex,
182                        CEED_VECTOR_ACTIVE);
183   CeedOperatorSetField(op_massHex, "v", ErestrictuHex, buHex,
184                        CEED_VECTOR_ACTIVE);
185 
186   // Set up Composite Operators
187   // -- Create
188   CeedCompositeOperatorCreate(ceed, &op_setup);
189   // -- Add SubOperators
190   CeedCompositeOperatorAddSub(op_setup, op_setupTet);
191   CeedCompositeOperatorAddSub(op_setup, op_setupHex);
192 
193   // -- Create
194   CeedCompositeOperatorCreate(ceed, &op_mass);
195   // -- Add SubOperators
196   CeedCompositeOperatorAddSub(op_mass, op_massTet);
197   CeedCompositeOperatorAddSub(op_mass, op_massHex);
198 
199   // View
200   CeedOperatorView(op_setup, stdout);
201   CeedOperatorView(op_mass, stdout);
202 
203   // Cleanup
204   CeedQFunctionDestroy(&qf_setupTet);
205   CeedQFunctionDestroy(&qf_massTet);
206   CeedOperatorDestroy(&op_setupTet);
207   CeedOperatorDestroy(&op_massTet);
208   CeedQFunctionDestroy(&qf_setupHex);
209   CeedQFunctionDestroy(&qf_massHex);
210   CeedOperatorDestroy(&op_setupHex);
211   CeedOperatorDestroy(&op_massHex);
212   CeedOperatorDestroy(&op_setup);
213   CeedOperatorDestroy(&op_mass);
214   CeedElemRestrictionDestroy(&ErestrictuTet);
215   CeedElemRestrictionDestroy(&ErestrictxTet);
216   CeedElemRestrictionDestroy(&ErestrictuiTet);
217   CeedElemRestrictionDestroy(&ErestrictuHex);
218   CeedElemRestrictionDestroy(&ErestrictxHex);
219   CeedElemRestrictionDestroy(&ErestrictuiHex);
220   CeedBasisDestroy(&buTet);
221   CeedBasisDestroy(&bxTet);
222   CeedBasisDestroy(&buHex);
223   CeedBasisDestroy(&bxHex);
224   CeedVectorDestroy(&X);
225   CeedVectorDestroy(&qdataTet);
226   CeedVectorDestroy(&qdataHex);
227   CeedDestroy(&ceed);
228   return 0;
229 }
230