1 /// @file
2 /// Test creation, transpose use, and destruction of an interlaced multi-component element restriction
3 /// \test Test creation, transpose use, and destruction of an interlaced multi-component element restriction
4 #include <ceed.h>
5 #include <ceed/backend.h>
6 #include <stdio.h>
7
main(int argc,char ** argv)8 int main(int argc, char **argv) {
9 Ceed ceed;
10 CeedVector x, y;
11 CeedInt num_elem = 5;
12 CeedInt ind[2 * num_elem];
13 CeedInt e_layout[3];
14 CeedScalar mult;
15 CeedElemRestriction elem_restriction;
16
17 CeedInit(argv[1], &ceed);
18 CeedVectorCreate(ceed, 2 * (num_elem + 1), &y);
19 CeedVectorSetValue(y, 0.0); // Allocates array
20
21 // Setup
22 CeedVectorCreate(ceed, 2 * (num_elem * 2), &x);
23
24 for (CeedInt i = 0; i < num_elem; i++) {
25 ind[2 * i + 0] = 2 * i;
26 ind[2 * i + 1] = 2 * (i + 1);
27 }
28 CeedElemRestrictionCreate(ceed, num_elem, 2, 2, 1, 2 * (num_elem + 1), CEED_MEM_HOST, CEED_USE_POINTER, ind, &elem_restriction);
29
30 // Set x data in backend E-layout
31 CeedElemRestrictionGetELayout(elem_restriction, e_layout);
32 {
33 CeedScalar x_array[2 * (num_elem * 2)];
34
35 for (CeedInt i = 0; i < 2; i++) { // Node
36 for (CeedInt j = 0; j < 2; j++) { // Component
37 for (CeedInt k = 0; k < num_elem; k++) { // Element
38 x_array[i * e_layout[0] + j * e_layout[1] + k * e_layout[2]] = 10 * j + (2 * k + i + 1) / 2;
39 }
40 }
41 }
42 CeedVectorSetArray(x, CEED_MEM_HOST, CEED_COPY_VALUES, x_array);
43 }
44
45 // Restrict
46 CeedElemRestrictionApply(elem_restriction, CEED_TRANSPOSE, x, y, CEED_REQUEST_IMMEDIATE);
47
48 // Check
49 {
50 const CeedScalar *y_array;
51
52 CeedVectorGetArrayRead(y, CEED_MEM_HOST, &y_array);
53 for (CeedInt i = 0; i < num_elem + 1; i++) {
54 mult = i > 0 && i < num_elem ? 2 : 1;
55 if (y_array[2 * i] != i * mult) {
56 // LCOV_EXCL_START
57 printf("Error in restricted array y[%" CeedInt_FMT "] = %f != %f\n", 2 * i, (CeedScalar)y_array[2 * i], i * mult);
58 // LCOV_EXCL_STOP
59 }
60 if (y_array[2 * i + 1] != (10 + i) * mult) {
61 // LCOV_EXCL_START
62 printf("Error in restricted array y[%" CeedInt_FMT "] = %f != %f\n", 2 * i + 1, (CeedScalar)y_array[2 * i + 1], (10. + i) * mult);
63 // LCOV_EXCL_STOP
64 }
65 }
66 CeedVectorRestoreArrayRead(y, &y_array);
67 }
68
69 CeedVectorDestroy(&x);
70 CeedVectorDestroy(&y);
71 CeedElemRestrictionDestroy(&elem_restriction);
72 CeedDestroy(&ceed);
73 return 0;
74 }
75