1 /// @file
2 /// Test creation, use, and destruction of an element restriction
3 /// \test Test creation, use, and destruction of an element restriction
4 #include <ceed.h>
5 #include <stdio.h>
6
main(int argc,char ** argv)7 int main(int argc, char **argv) {
8 Ceed ceed;
9 CeedVector x, y;
10 CeedInt num_elem = 3;
11 CeedInt ind[2 * num_elem];
12 CeedElemRestriction elem_restriction;
13
14 CeedInit(argv[1], &ceed);
15
16 CeedVectorCreate(ceed, num_elem + 1, &x);
17 {
18 CeedScalar array[num_elem + 1];
19
20 for (CeedInt i = 0; i < num_elem + 1; i++) array[i] = 10 + i;
21 CeedVectorSetArray(x, CEED_MEM_HOST, CEED_COPY_VALUES, array);
22 }
23 CeedVectorCreate(ceed, num_elem * 2, &y);
24
25 for (CeedInt i = 0; i < num_elem; i++) {
26 ind[2 * i + 0] = i;
27 ind[2 * i + 1] = i + 1;
28 }
29 CeedElemRestrictionCreate(ceed, num_elem, 2, 1, 1, num_elem + 1, CEED_MEM_HOST, CEED_USE_POINTER, ind, &elem_restriction);
30 CeedElemRestrictionApply(elem_restriction, CEED_NOTRANSPOSE, x, y, CEED_REQUEST_IMMEDIATE);
31 {
32 const CeedScalar *read_array;
33
34 CeedVectorGetArrayRead(y, CEED_MEM_HOST, &read_array);
35 for (CeedInt i = 0; i < num_elem * 2; i++) {
36 if (10 + (i + 1) / 2 != read_array[i]) printf("Error in restricted array y[%" CeedInt_FMT "] = %f\n", i, (CeedScalar)read_array[i]);
37 }
38 CeedVectorRestoreArrayRead(y, &read_array);
39 }
40
41 CeedVectorDestroy(&x);
42 CeedVectorDestroy(&y);
43 CeedElemRestrictionDestroy(&elem_restriction);
44 CeedDestroy(&ceed);
45 return 0;
46 }
47