1 /// @file
2 /// Test creation reuse of the same QFunction for multiple operators
3 /// \test Test creation reuse of the same QFunction for multiple operators
4 #include <ceed.h>
5 #include <math.h>
6 #include <stdio.h>
7 #include <stdlib.h>
8
9 #include "t502-operator.h"
10
main(int argc,char ** argv)11 int main(int argc, char **argv) {
12 Ceed ceed;
13 CeedElemRestriction elem_restriction_x, elem_restriction_u, elem_restriction_q_data_small, elem_restriction_q_data_large;
14 CeedBasis basis_x_small, basis_x_large, basis_u_small, basis_u_large;
15 CeedQFunction qf_setup, qf_mass;
16 CeedOperator op_setup_small, op_mass_small, op_setup_large, op_mass_large;
17 CeedVector q_data_small, q_data_large, x, u, v;
18 CeedInt num_elem = 15, p = 5, q = 8, scale = 3, num_comp = 2;
19 CeedInt num_nodes_x = num_elem + 1, num_nodes_u = num_elem * (p - 1) + 1;
20 CeedInt ind_x[num_elem * 2], ind_u[num_elem * p];
21
22 CeedInit(argv[1], &ceed);
23
24 CeedVectorCreate(ceed, num_nodes_x, &x);
25 {
26 CeedScalar x_array[num_nodes_x];
27
28 for (CeedInt i = 0; i < num_nodes_x; i++) x_array[i] = (CeedScalar)i / (num_nodes_x - 1);
29 CeedVectorSetArray(x, CEED_MEM_HOST, CEED_COPY_VALUES, x_array);
30 }
31 CeedVectorCreate(ceed, num_comp * num_nodes_u, &u);
32 CeedVectorCreate(ceed, num_comp * num_nodes_u, &v);
33 CeedVectorCreate(ceed, num_elem * q, &q_data_small);
34 CeedVectorCreate(ceed, num_elem * q * scale, &q_data_large);
35
36 // Restrictions
37 for (CeedInt i = 0; i < num_elem; i++) {
38 ind_x[2 * i + 0] = i;
39 ind_x[2 * i + 1] = i + 1;
40 }
41 CeedElemRestrictionCreate(ceed, num_elem, num_comp, 1, 1, num_nodes_x, CEED_MEM_HOST, CEED_USE_POINTER, ind_x, &elem_restriction_x);
42
43 for (CeedInt i = 0; i < num_elem; i++) {
44 for (CeedInt j = 0; j < p; j++) {
45 ind_u[p * i + j] = num_comp * (i * (p - 1) + j);
46 }
47 }
48 CeedElemRestrictionCreate(ceed, num_elem, p, num_comp, 1, num_comp * num_nodes_u, CEED_MEM_HOST, CEED_USE_POINTER, ind_u, &elem_restriction_u);
49
50 CeedInt strides_q_data_small[3] = {1, q, q};
51 CeedElemRestrictionCreateStrided(ceed, num_elem, q, 1, q * num_elem, strides_q_data_small, &elem_restriction_q_data_small);
52
53 CeedInt strides_q_data_large[3] = {1, q * scale, q * scale};
54 CeedElemRestrictionCreateStrided(ceed, num_elem, q * scale, 1, q * num_elem * scale, strides_q_data_large, &elem_restriction_q_data_large);
55
56 // Bases
57 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, q, CEED_GAUSS, &basis_x_small);
58 CeedBasisCreateTensorH1Lagrange(ceed, 1, num_comp, p, q, CEED_GAUSS, &basis_u_small);
59 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, q * scale, CEED_GAUSS, &basis_x_large);
60 CeedBasisCreateTensorH1Lagrange(ceed, 1, num_comp, p, q * scale, CEED_GAUSS, &basis_u_large);
61
62 // QFunctions
63 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup);
64 CeedQFunctionAddInput(qf_setup, "weight", 1, CEED_EVAL_WEIGHT);
65 CeedQFunctionAddInput(qf_setup, "x", 1, CEED_EVAL_GRAD);
66 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE);
67
68 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass);
69 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE);
70 CeedQFunctionAddInput(qf_mass, "u", num_comp, CEED_EVAL_INTERP);
71 CeedQFunctionAddOutput(qf_mass, "v", num_comp, CEED_EVAL_INTERP);
72
73 // 'Small' Operators
74 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_setup_small);
75 CeedOperatorSetField(op_setup_small, "weight", CEED_ELEMRESTRICTION_NONE, basis_x_small, CEED_VECTOR_NONE);
76 CeedOperatorSetField(op_setup_small, "x", elem_restriction_x, basis_x_small, CEED_VECTOR_ACTIVE);
77 CeedOperatorSetField(op_setup_small, "rho", elem_restriction_q_data_small, CEED_BASIS_NONE, CEED_VECTOR_ACTIVE);
78
79 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_mass_small);
80 CeedOperatorSetField(op_mass_small, "rho", elem_restriction_q_data_small, CEED_BASIS_NONE, q_data_small);
81 CeedOperatorSetField(op_mass_small, "u", elem_restriction_u, basis_u_small, CEED_VECTOR_ACTIVE);
82 CeedOperatorSetField(op_mass_small, "v", elem_restriction_u, basis_u_small, CEED_VECTOR_ACTIVE);
83
84 // 'Large' operators
85 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_setup_large);
86 CeedOperatorSetField(op_setup_large, "weight", CEED_ELEMRESTRICTION_NONE, basis_x_large, CEED_VECTOR_NONE);
87 CeedOperatorSetField(op_setup_large, "x", elem_restriction_x, basis_x_large, CEED_VECTOR_ACTIVE);
88 CeedOperatorSetField(op_setup_large, "rho", elem_restriction_q_data_large, CEED_BASIS_NONE, CEED_VECTOR_ACTIVE);
89
90 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, &op_mass_large);
91 CeedOperatorSetField(op_mass_large, "rho", elem_restriction_q_data_large, CEED_BASIS_NONE, q_data_large);
92 CeedOperatorSetField(op_mass_large, "u", elem_restriction_u, basis_u_large, CEED_VECTOR_ACTIVE);
93 CeedOperatorSetField(op_mass_large, "v", elem_restriction_u, basis_u_large, CEED_VECTOR_ACTIVE);
94
95 // Setup
96 CeedOperatorApply(op_setup_small, x, q_data_small, CEED_REQUEST_IMMEDIATE);
97 CeedOperatorApply(op_setup_large, x, q_data_large, CEED_REQUEST_IMMEDIATE);
98
99 {
100 CeedScalar *u_array;
101
102 CeedVectorGetArrayWrite(u, CEED_MEM_HOST, &u_array);
103 for (int i = 0; i < num_nodes_u; i++) {
104 u_array[num_comp * i] = 1.0;
105 u_array[num_comp * i + 1] = 2.0;
106 }
107 CeedVectorRestoreArray(u, &u_array);
108 }
109
110 // 'Small' operator
111 CeedOperatorApply(op_mass_small, u, v, CEED_REQUEST_IMMEDIATE);
112
113 // Check output
114 {
115 const CeedScalar *v_array;
116 CeedScalar sum_1 = 0., sum_2 = 0.;
117
118 CeedVectorGetArrayRead(v, CEED_MEM_HOST, &v_array);
119 for (CeedInt i = 0; i < num_nodes_u; i++) {
120 sum_1 += v_array[num_comp * i];
121 sum_2 += v_array[num_comp * i + 1];
122 }
123 CeedVectorRestoreArrayRead(v, &v_array);
124 if (fabs(sum_1 - 1.) > 1000. * CEED_EPSILON) printf("Small Problem, Component 1: Computed Area %f != True Area 1.0\n", sum_1);
125 if (fabs(sum_2 - 2.) > 1000. * CEED_EPSILON) printf("Small Problem, Component 2: Computed Area %f != True Area 2.0\n", sum_2);
126 }
127
128 // 'Large' operator
129 CeedOperatorApply(op_mass_large, u, v, CEED_REQUEST_IMMEDIATE);
130
131 // Check output
132 {
133 const CeedScalar *v_array;
134 CeedScalar sum_1 = 0., sum_2 = 0.;
135
136 CeedVectorGetArrayRead(v, CEED_MEM_HOST, &v_array);
137 for (CeedInt i = 0; i < num_nodes_u; i++) {
138 sum_1 += v_array[num_comp * i];
139 sum_2 += v_array[num_comp * i + 1];
140 }
141 CeedVectorRestoreArrayRead(v, &v_array);
142
143 if (fabs(sum_1 - 1.) > 1000. * CEED_EPSILON) printf("Large Problem, Component 1: Computed Area %f != True Area 1.0\n", sum_1);
144 if (fabs(sum_2 - 2.) > 1000. * CEED_EPSILON) printf("Large Problem, Component 2: Computed Area %f != True Area 2.0\n", sum_2);
145 }
146
147 CeedVectorDestroy(&x);
148 CeedVectorDestroy(&u);
149 CeedVectorDestroy(&v);
150 CeedVectorDestroy(&q_data_small);
151 CeedVectorDestroy(&q_data_large);
152 CeedElemRestrictionDestroy(&elem_restriction_u);
153 CeedElemRestrictionDestroy(&elem_restriction_x);
154 CeedElemRestrictionDestroy(&elem_restriction_q_data_small);
155 CeedElemRestrictionDestroy(&elem_restriction_q_data_large);
156 CeedBasisDestroy(&basis_u_small);
157 CeedBasisDestroy(&basis_x_small);
158 CeedBasisDestroy(&basis_u_large);
159 CeedBasisDestroy(&basis_x_large);
160 CeedQFunctionDestroy(&qf_setup);
161 CeedQFunctionDestroy(&qf_mass);
162 CeedOperatorDestroy(&op_setup_small);
163 CeedOperatorDestroy(&op_mass_small);
164 CeedOperatorDestroy(&op_setup_large);
165 CeedOperatorDestroy(&op_mass_large);
166 CeedDestroy(&ceed);
167 return 0;
168 }
169