xref: /libCEED/tests/t523-operator.c (revision 44554ea01e90fce366fc2a203c44be15754a38d6)
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   CeedElemRestriction ErestrictxTet, ErestrictuTet,
22                       ErestrictuiTet,
23                       ErestrictxHex, ErestrictuHex,
24                       ErestrictuiHex;
25   CeedBasis bxTet, buTet,
26             bxHex, buHex;
27   CeedQFunction qf_setupTet, qf_massTet,
28                 qf_setupHex, qf_massHex;
29   CeedOperator op_setupTet, op_massTet,
30                op_setupHex, op_massHex,
31                op_setup, op_mass;
32   CeedVector qdataTet, qdataHex, X;
33   CeedInt nelemTet = 6, PTet = 6, QTet = 4,
34           nelemHex = 6, PHex = 3, QHex = 4, dim = 2;
35   CeedInt nx = 3, ny = 3,
36           nxTet = 3, nyTet = 1, nxHex = 3;
37   CeedInt row, col, offset;
38   CeedInt ndofs = (nx*2+1)*(ny*2+1),
39           nqptsTet = nelemTet*QTet,
40           nqptsHex = nelemHex*QHex*QHex;
41   CeedInt indxTet[nelemTet*PTet],
42           indxHex[nelemHex*PHex*PHex];
43   CeedScalar qref[dim*QTet], qweight[QTet];
44   CeedScalar interp[PTet*QTet], grad[dim*PTet*QTet];
45 
46   CeedInit(argv[1], &ceed);
47 
48   // DoF Coordinates
49   CeedVectorCreate(ceed, dim*ndofs, &X);
50 
51   // Qdata Vectors
52   CeedVectorCreate(ceed, nqptsTet, &qdataTet);
53   CeedVectorCreate(ceed, nqptsHex, &qdataHex);
54 
55   // Set up Tet Elements
56   for (CeedInt i=0; i<nelemTet/2; i++) {
57     col = i % nxTet;
58     row = i / nxTet;
59     offset = col*2 + row*(nxTet*2+1)*2;
60 
61     indxTet[i*2*PTet +  0] =  2 + offset;
62     indxTet[i*2*PTet +  1] =  9 + offset;
63     indxTet[i*2*PTet +  2] = 16 + offset;
64     indxTet[i*2*PTet +  3] =  1 + offset;
65     indxTet[i*2*PTet +  4] =  8 + offset;
66     indxTet[i*2*PTet +  5] =  0 + offset;
67 
68     indxTet[i*2*PTet +  6] = 14 + offset;
69     indxTet[i*2*PTet +  7] =  7 + offset;
70     indxTet[i*2*PTet +  8] =  0 + offset;
71     indxTet[i*2*PTet +  9] = 15 + offset;
72     indxTet[i*2*PTet + 10] =  8 + offset;
73     indxTet[i*2*PTet + 11] = 16 + offset;
74   }
75 
76   // -- Restrictions
77   CeedElemRestrictionCreate(ceed, nelemTet, PTet, dim, ndofs, dim*ndofs,
78                             CEED_MEM_HOST, CEED_USE_POINTER, indxTet,
79                             &ErestrictxTet);
80 
81   CeedElemRestrictionCreate(ceed, nelemTet, PTet, 1, 1, ndofs,
82                             CEED_MEM_HOST, CEED_USE_POINTER, indxTet,
83                             &ErestrictuTet);
84   CeedInt stridesuTet[3] = {1, QTet, QTet};
85   CeedElemRestrictionCreateStrided(ceed,  nelemTet, QTet, 1, nqptsTet,
86                                    stridesuTet, &ErestrictuiTet);
87 
88   // -- Bases
89   buildmats(qref, qweight, interp, grad);
90   CeedBasisCreateH1(ceed, CEED_TRIANGLE, dim, PTet, QTet, interp, grad, qref,
91                     qweight, &bxTet);
92 
93   buildmats(qref, qweight, interp, grad);
94   CeedBasisCreateH1(ceed, CEED_TRIANGLE, 1, PTet, QTet, interp, grad, qref,
95                     qweight, &buTet);
96 
97   // -- QFunctions
98   CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setupTet);
99   CeedQFunctionAddInput(qf_setupTet, "_weight", 1, CEED_EVAL_WEIGHT);
100   CeedQFunctionAddInput(qf_setupTet, "dx", dim*dim, CEED_EVAL_GRAD);
101   CeedQFunctionAddOutput(qf_setupTet, "rho", 1, CEED_EVAL_NONE);
102 
103   CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_massTet);
104   CeedQFunctionAddInput(qf_massTet, "rho", 1, CEED_EVAL_NONE);
105   CeedQFunctionAddInput(qf_massTet, "u", 1, CEED_EVAL_INTERP);
106   CeedQFunctionAddOutput(qf_massTet, "v", 1, CEED_EVAL_INTERP);
107 
108   // -- Operators
109   // ---- Setup Tet
110   CeedOperatorCreate(ceed, qf_setupTet, CEED_QFUNCTION_NONE,
111                      CEED_QFUNCTION_NONE, &op_setupTet);
112   CeedOperatorSetField(op_setupTet, "_weight", CEED_ELEMRESTRICTION_NONE, bxTet,
113                        CEED_VECTOR_NONE);
114   CeedOperatorSetField(op_setupTet, "dx", ErestrictxTet, bxTet,
115                        CEED_VECTOR_ACTIVE);
116   CeedOperatorSetField(op_setupTet, "rho", ErestrictuiTet,
117                        CEED_BASIS_COLLOCATED, qdataTet);
118   // ---- Mass Tet
119   CeedOperatorCreate(ceed, qf_massTet, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE,
120                      &op_massTet);
121   CeedOperatorSetField(op_massTet, "rho", ErestrictuiTet, CEED_BASIS_COLLOCATED,
122                        qdataTet);
123   CeedOperatorSetField(op_massTet, "u", ErestrictuTet, buTet,
124                        CEED_VECTOR_ACTIVE);
125   CeedOperatorSetField(op_massTet, "v", ErestrictuTet, buTet,
126                        CEED_VECTOR_ACTIVE);
127 
128   // Set up Hex Elements
129   for (CeedInt i=0; i<nelemHex; i++) {
130     col = i % nxHex;
131     row = i / nxHex;
132     offset = (nxTet*2+1)*(nyTet*2)*(1+row) + col*2;
133     for (CeedInt j=0; j<PHex; j++)
134       for (CeedInt k=0; k<PHex; k++)
135         indxHex[PHex*(PHex*i+k)+j] = offset + k*(nxHex*2+1) + j;
136   }
137 
138   // -- Restrictions
139   CeedElemRestrictionCreate(ceed, nelemHex, PHex*PHex, dim, ndofs, dim*ndofs,
140                             CEED_MEM_HOST, CEED_USE_POINTER, indxHex,
141                             &ErestrictxHex);
142 
143   CeedElemRestrictionCreate(ceed, nelemHex, PHex*PHex, 1, 1, ndofs,
144                             CEED_MEM_HOST, CEED_USE_POINTER, indxHex,
145                             &ErestrictuHex);
146   CeedInt stridesuHex[3] = {1, QHex*QHex, QHex*QHex};
147   CeedElemRestrictionCreateStrided(ceed, nelemHex, QHex*QHex, 1, nqptsHex,
148                                    stridesuHex, &ErestrictuiHex);
149 
150   // -- Bases
151   CeedBasisCreateTensorH1Lagrange(ceed, dim, dim, PHex, QHex, CEED_GAUSS,
152                                   &bxHex);
153   CeedBasisCreateTensorH1Lagrange(ceed, dim, 1, PHex, QHex, CEED_GAUSS, &buHex);
154 
155   // -- QFunctions
156   CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setupHex);
157   CeedQFunctionAddInput(qf_setupHex, "_weight", 1, CEED_EVAL_WEIGHT);
158   CeedQFunctionAddInput(qf_setupHex, "dx", dim*dim, CEED_EVAL_GRAD);
159   CeedQFunctionAddOutput(qf_setupHex, "rho", 1, CEED_EVAL_NONE);
160 
161   CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_massHex);
162   CeedQFunctionAddInput(qf_massHex, "rho", 1, CEED_EVAL_NONE);
163   CeedQFunctionAddInput(qf_massHex, "u", 1, CEED_EVAL_INTERP);
164   CeedQFunctionAddOutput(qf_massHex, "v", 1, CEED_EVAL_INTERP);
165 
166   // -- Operators
167   CeedOperatorCreate(ceed, qf_setupHex, CEED_QFUNCTION_NONE,
168                      CEED_QFUNCTION_NONE, &op_setupHex);
169   CeedOperatorSetField(op_setupHex, "_weight", CEED_ELEMRESTRICTION_NONE, bxHex,
170                        CEED_VECTOR_NONE);
171   CeedOperatorSetField(op_setupHex, "dx", ErestrictxHex, bxHex,
172                        CEED_VECTOR_ACTIVE);
173   CeedOperatorSetField(op_setupHex, "rho", ErestrictuiHex,
174                        CEED_BASIS_COLLOCATED, qdataHex);
175 
176   CeedOperatorCreate(ceed, qf_massHex, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE,
177                      &op_massHex);
178   CeedOperatorSetField(op_massHex, "rho", ErestrictuiHex, CEED_BASIS_COLLOCATED,
179                        qdataHex);
180   CeedOperatorSetField(op_massHex, "u", ErestrictuHex, buHex,
181                        CEED_VECTOR_ACTIVE);
182   CeedOperatorSetField(op_massHex, "v", ErestrictuHex, buHex,
183                        CEED_VECTOR_ACTIVE);
184 
185   // Set up Composite Operators
186   // -- Create
187   CeedCompositeOperatorCreate(ceed, &op_setup);
188   // -- Add SubOperators
189   CeedCompositeOperatorAddSub(op_setup, op_setupTet);
190   CeedCompositeOperatorAddSub(op_setup, op_setupHex);
191 
192   // -- Create
193   CeedCompositeOperatorCreate(ceed, &op_mass);
194   // -- Add SubOperators
195   CeedCompositeOperatorAddSub(op_mass, op_massTet);
196   CeedCompositeOperatorAddSub(op_mass, op_massHex);
197 
198   // View
199   CeedOperatorView(op_setup, stdout);
200   CeedOperatorView(op_mass, stdout);
201 
202   // Cleanup
203   CeedQFunctionDestroy(&qf_setupTet);
204   CeedQFunctionDestroy(&qf_massTet);
205   CeedOperatorDestroy(&op_setupTet);
206   CeedOperatorDestroy(&op_massTet);
207   CeedQFunctionDestroy(&qf_setupHex);
208   CeedQFunctionDestroy(&qf_massHex);
209   CeedOperatorDestroy(&op_setupHex);
210   CeedOperatorDestroy(&op_massHex);
211   CeedOperatorDestroy(&op_setup);
212   CeedOperatorDestroy(&op_mass);
213   CeedElemRestrictionDestroy(&ErestrictuTet);
214   CeedElemRestrictionDestroy(&ErestrictxTet);
215   CeedElemRestrictionDestroy(&ErestrictuiTet);
216   CeedElemRestrictionDestroy(&ErestrictuHex);
217   CeedElemRestrictionDestroy(&ErestrictxHex);
218   CeedElemRestrictionDestroy(&ErestrictuiHex);
219   CeedBasisDestroy(&buTet);
220   CeedBasisDestroy(&bxTet);
221   CeedBasisDestroy(&buHex);
222   CeedBasisDestroy(&bxHex);
223   CeedVectorDestroy(&X);
224   CeedVectorDestroy(&qdataTet);
225   CeedVectorDestroy(&qdataHex);
226   CeedDestroy(&ceed);
227   return 0;
228 }
229