1 /// @file
2 /// Test creation, use, and destruction of a strided element restriction
3 /// \test Test creation, use, and destruction of a strided 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 = 3;
12 CeedInt strides[3] = {1, 2, 2};
13 CeedInt e_layout[3], l_layout[3];
14 CeedScalar x_array[num_elem * 2];
15 CeedElemRestriction elem_restriction;
16
17 CeedInit(argv[1], &ceed);
18
19 CeedVectorCreate(ceed, num_elem * 2, &x);
20 for (CeedInt i = 0; i < num_elem * 2; i++) x_array[i] = 10 + i;
21 CeedVectorSetArray(x, CEED_MEM_HOST, CEED_USE_POINTER, x_array);
22 CeedVectorCreate(ceed, num_elem * 2, &y);
23
24 CeedElemRestrictionCreateStrided(ceed, num_elem, 2, 1, num_elem * 2, strides, &elem_restriction);
25 CeedElemRestrictionApply(elem_restriction, CEED_NOTRANSPOSE, x, y, CEED_REQUEST_IMMEDIATE);
26
27 {
28 const CeedScalar *y_array;
29
30 CeedVectorGetArrayRead(y, CEED_MEM_HOST, &y_array);
31 CeedElemRestrictionGetELayout(elem_restriction, e_layout);
32 CeedElemRestrictionGetLLayout(elem_restriction, l_layout);
33 for (CeedInt i = 0; i < 2; i++) { // Node
34 for (CeedInt j = 0; j < 1; j++) { // Component
35 for (CeedInt k = 0; k < num_elem; k++) { // Element
36 if (y_array[i * e_layout[0] + j * e_layout[1] + k * e_layout[2]] != x_array[i * l_layout[0] + j * l_layout[1] + k * l_layout[2]]) {
37 // LCOV_EXCL_START
38 printf("Error in restricted array y[%" CeedInt_FMT "][%" CeedInt_FMT "][%" CeedInt_FMT "] = %f\n", i, j, k,
39 (CeedScalar)y_array[i * strides[0] + j * strides[1] + j * strides[2]]);
40 // LCOV_EXCL_STOP
41 }
42 }
43 }
44 }
45 CeedVectorRestoreArrayRead(y, &y_array);
46 }
47
48 CeedVectorDestroy(&x);
49 CeedVectorDestroy(&y);
50 CeedElemRestrictionDestroy(&elem_restriction);
51 CeedDestroy(&ceed);
52 return 0;
53 }
54