xref: /libCEED/tests/t523-operator.c (revision ccedf6b0eedde5bdb26f1d628a64390ea2c01243)
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                       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, imode, nelemTet, PTet, ndofs, dim,
79                             CEED_MEM_HOST, CEED_USE_POINTER, indxTet,
80                             &ErestrictxTet);
81   CeedInt stridesxTet[3] = {1, PTet, PTet*dim};
82   CeedElemRestrictionCreateStrided(ceed,  nelemTet, PTet, nelemTet*PTet, dim,
83                                    stridesxTet, &ErestrictxiTet);
84 
85   CeedElemRestrictionCreate(ceed, imode, nelemTet, PTet, ndofs, 1,
86                             CEED_MEM_HOST, CEED_USE_POINTER, indxTet,
87                             &ErestrictuTet);
88   CeedInt stridesuTet[3] = {1, QTet, QTet};
89   CeedElemRestrictionCreateStrided(ceed,  nelemTet, QTet, nqptsTet, 1,
90                                    stridesuTet, &ErestrictuiTet);
91 
92   // -- Bases
93   buildmats(qref, qweight, interp, grad);
94   CeedBasisCreateH1(ceed, CEED_TRIANGLE, dim, PTet, QTet, interp, grad, qref,
95                     qweight, &bxTet);
96 
97   buildmats(qref, qweight, interp, grad);
98   CeedBasisCreateH1(ceed, CEED_TRIANGLE, 1, PTet, QTet, interp, grad, qref,
99                     qweight, &buTet);
100 
101   // -- QFunctions
102   CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setupTet);
103   CeedQFunctionAddInput(qf_setupTet, "_weight", 1, CEED_EVAL_WEIGHT);
104   CeedQFunctionAddInput(qf_setupTet, "dx", dim*dim, CEED_EVAL_GRAD);
105   CeedQFunctionAddOutput(qf_setupTet, "rho", 1, CEED_EVAL_NONE);
106 
107   CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_massTet);
108   CeedQFunctionAddInput(qf_massTet, "rho", 1, CEED_EVAL_NONE);
109   CeedQFunctionAddInput(qf_massTet, "u", 1, CEED_EVAL_INTERP);
110   CeedQFunctionAddOutput(qf_massTet, "v", 1, CEED_EVAL_INTERP);
111 
112   // -- Operators
113   // ---- Setup Tet
114   CeedOperatorCreate(ceed, qf_setupTet, CEED_QFUNCTION_NONE,
115                      CEED_QFUNCTION_NONE, &op_setupTet);
116   CeedOperatorSetField(op_setupTet, "_weight", ErestrictxiTet, bxTet,
117                        CEED_VECTOR_NONE);
118   CeedOperatorSetField(op_setupTet, "dx", ErestrictxTet, bxTet,
119                        CEED_VECTOR_ACTIVE);
120   CeedOperatorSetField(op_setupTet, "rho", ErestrictuiTet,
121                        CEED_BASIS_COLLOCATED, qdataTet);
122   // ---- Mass Tet
123   CeedOperatorCreate(ceed, qf_massTet, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE,
124                      &op_massTet);
125   CeedOperatorSetField(op_massTet, "rho", ErestrictuiTet, CEED_BASIS_COLLOCATED,
126                        qdataTet);
127   CeedOperatorSetField(op_massTet, "u", ErestrictuTet, buTet,
128                        CEED_VECTOR_ACTIVE);
129   CeedOperatorSetField(op_massTet, "v", ErestrictuTet, buTet,
130                        CEED_VECTOR_ACTIVE);
131 
132   // Set up Hex Elements
133   for (CeedInt i=0; i<nelemHex; i++) {
134     col = i % nxHex;
135     row = i / nxHex;
136     offset = (nxTet*2+1)*(nyTet*2)*(1+row) + col*2;
137     for (CeedInt j=0; j<PHex; j++)
138       for (CeedInt k=0; k<PHex; k++)
139         indxHex[PHex*(PHex*i+k)+j] = offset + k*(nxHex*2+1) + j;
140   }
141 
142   // -- Restrictions
143   CeedElemRestrictionCreate(ceed, imode, nelemHex, PHex*PHex, ndofs, dim,
144                             CEED_MEM_HOST, CEED_USE_POINTER, indxHex,
145                             &ErestrictxHex);
146   CeedInt stridesxHex[3] = {1, PHex*PHex, PHex *PHex*dim};
147   CeedElemRestrictionCreateStrided(ceed,  nelemHex, PHex*PHex,
148                                    nelemHex*PHex*PHex, dim, stridesxHex,
149                                    &ErestrictxiHex);
150 
151   CeedElemRestrictionCreate(ceed, imode, nelemHex, PHex*PHex, ndofs, 1,
152                             CEED_MEM_HOST, CEED_USE_POINTER, indxHex,
153                             &ErestrictuHex);
154   CeedInt stridesuHex[3] = {1, QHex*QHex, QHex*QHex};
155   CeedElemRestrictionCreateStrided(ceed, nelemHex, QHex*QHex, nqptsHex, 1,
156                                    stridesuHex, &ErestrictuiHex);
157 
158   // -- Bases
159   CeedBasisCreateTensorH1Lagrange(ceed, dim, dim, PHex, QHex, CEED_GAUSS,
160                                   &bxHex);
161   CeedBasisCreateTensorH1Lagrange(ceed, dim, 1, PHex, QHex, CEED_GAUSS, &buHex);
162 
163   // -- QFunctions
164   CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setupHex);
165   CeedQFunctionAddInput(qf_setupHex, "_weight", 1, CEED_EVAL_WEIGHT);
166   CeedQFunctionAddInput(qf_setupHex, "dx", dim*dim, CEED_EVAL_GRAD);
167   CeedQFunctionAddOutput(qf_setupHex, "rho", 1, CEED_EVAL_NONE);
168 
169   CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_massHex);
170   CeedQFunctionAddInput(qf_massHex, "rho", 1, CEED_EVAL_NONE);
171   CeedQFunctionAddInput(qf_massHex, "u", 1, CEED_EVAL_INTERP);
172   CeedQFunctionAddOutput(qf_massHex, "v", 1, CEED_EVAL_INTERP);
173 
174   // -- Operators
175   CeedOperatorCreate(ceed, qf_setupHex, CEED_QFUNCTION_NONE,
176                      CEED_QFUNCTION_NONE, &op_setupHex);
177   CeedOperatorSetField(op_setupHex, "_weight", ErestrictxiHex, bxHex,
178                        CEED_VECTOR_NONE);
179   CeedOperatorSetField(op_setupHex, "dx", ErestrictxHex, bxHex,
180                        CEED_VECTOR_ACTIVE);
181   CeedOperatorSetField(op_setupHex, "rho", ErestrictuiHex,
182                        CEED_BASIS_COLLOCATED, qdataHex);
183 
184   CeedOperatorCreate(ceed, qf_massHex, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE,
185                      &op_massHex);
186   CeedOperatorSetField(op_massHex, "rho", ErestrictuiHex, CEED_BASIS_COLLOCATED,
187                        qdataHex);
188   CeedOperatorSetField(op_massHex, "u", ErestrictuHex, buHex,
189                        CEED_VECTOR_ACTIVE);
190   CeedOperatorSetField(op_massHex, "v", ErestrictuHex, buHex,
191                        CEED_VECTOR_ACTIVE);
192 
193   // Set up Composite Operators
194   // -- Create
195   CeedCompositeOperatorCreate(ceed, &op_setup);
196   // -- Add SubOperators
197   CeedCompositeOperatorAddSub(op_setup, op_setupTet);
198   CeedCompositeOperatorAddSub(op_setup, op_setupHex);
199 
200   // -- Create
201   CeedCompositeOperatorCreate(ceed, &op_mass);
202   // -- Add SubOperators
203   CeedCompositeOperatorAddSub(op_mass, op_massTet);
204   CeedCompositeOperatorAddSub(op_mass, op_massHex);
205 
206   // View
207   CeedOperatorView(op_setup, stdout);
208   CeedOperatorView(op_mass, stdout);
209 
210   // Cleanup
211   CeedQFunctionDestroy(&qf_setupTet);
212   CeedQFunctionDestroy(&qf_massTet);
213   CeedOperatorDestroy(&op_setupTet);
214   CeedOperatorDestroy(&op_massTet);
215   CeedQFunctionDestroy(&qf_setupHex);
216   CeedQFunctionDestroy(&qf_massHex);
217   CeedOperatorDestroy(&op_setupHex);
218   CeedOperatorDestroy(&op_massHex);
219   CeedOperatorDestroy(&op_setup);
220   CeedOperatorDestroy(&op_mass);
221   CeedElemRestrictionDestroy(&ErestrictuTet);
222   CeedElemRestrictionDestroy(&ErestrictxTet);
223   CeedElemRestrictionDestroy(&ErestrictuiTet);
224   CeedElemRestrictionDestroy(&ErestrictxiTet);
225   CeedElemRestrictionDestroy(&ErestrictuHex);
226   CeedElemRestrictionDestroy(&ErestrictxHex);
227   CeedElemRestrictionDestroy(&ErestrictuiHex);
228   CeedElemRestrictionDestroy(&ErestrictxiHex);
229   CeedBasisDestroy(&buTet);
230   CeedBasisDestroy(&bxTet);
231   CeedBasisDestroy(&buHex);
232   CeedBasisDestroy(&bxHex);
233   CeedVectorDestroy(&X);
234   CeedVectorDestroy(&qdataTet);
235   CeedVectorDestroy(&qdataHex);
236   CeedDestroy(&ceed);
237   return 0;
238 }
239