xref: /libCEED/tests/t216-elemrestriction.c (revision b0d170e7bc2e5c930ee481a47eb73044935a48a4)
1 /// @file
2 /// Test creation, copying, and destruction of an element restriction
3 /// \test Test creation, copying, and destruction of an element restriction
4 #include <ceed.h>
5 
6 int main(int argc, char **argv) {
7   Ceed                ceed;
8   CeedInt             num_elem = 3, comp_stride = 1;
9   CeedInt             ind[2 * num_elem];
10   CeedElemRestriction r, r_2;
11 
12   CeedInit(argv[1], &ceed);
13 
14   for (CeedInt i = 0; i < num_elem; i++) {
15     ind[2 * i + 0] = i;
16     ind[2 * i + 1] = i + 1;
17   }
18   CeedElemRestrictionCreate(ceed, num_elem, 2, 1, comp_stride, num_elem + 1, CEED_MEM_HOST, CEED_USE_POINTER, ind, &r);
19   CeedElemRestrictionCreate(ceed, num_elem, 2, 1, comp_stride + 1, num_elem + 1, CEED_MEM_HOST, CEED_USE_POINTER, ind, &r_2);
20 
21   CeedElemRestrictionReferenceCopy(r, &r_2);  // This destroys the previous r_2
22   CeedElemRestrictionDestroy(&r);
23 
24   CeedInt comp_stride_2;
25   CeedElemRestrictionGetCompStride(r_2, &comp_stride_2);
26   if (comp_stride_2 != comp_stride) printf("Error copying CeedElemRestriction reference\n");
27 
28   CeedElemRestrictionDestroy(&r_2);
29   CeedDestroy(&ceed);
30   return 0;
31 }
32