1 /// @file
2 /// Test creation, use, and destruction of an oriented element restriction with unsigned application
3 /// \test Test creation, use, and destruction of an oriented element restriction with unsigned application
4 #include <ceed.h>
5 #include <ceed/backend.h>
6 #include <math.h>
7 #include <stdio.h>
8
main(int argc,char ** argv)9 int main(int argc, char **argv) {
10 Ceed ceed;
11 CeedVector x, y_oriented, y_unsigned, y_unsigned_copy;
12 CeedInt num_elem = 6, p = 2, dim = 1;
13 CeedInt ind[p * num_elem];
14 bool orient[p * num_elem];
15 CeedScalar x_array[num_elem + 1];
16 CeedElemRestriction elem_restriction, elem_restriction_unsigned, elem_restriction_copy;
17
18 CeedInit(argv[1], &ceed);
19
20 CeedVectorCreate(ceed, num_elem + 1, &x);
21 for (CeedInt i = 0; i < num_elem + 1; i++) x_array[i] = 10 + i;
22 CeedVectorSetArray(x, CEED_MEM_HOST, CEED_USE_POINTER, x_array);
23 CeedVectorCreate(ceed, num_elem * 2, &y_oriented);
24 CeedVectorCreate(ceed, num_elem * 2, &y_unsigned);
25 CeedVectorCreate(ceed, num_elem * 2, &y_unsigned_copy);
26
27 for (CeedInt i = 0; i < num_elem; i++) {
28 ind[2 * i + 0] = i;
29 ind[2 * i + 1] = i + 1;
30 orient[2 * i + 0] = (i % (2)) * -1 < 0; // flip the dofs on element 1, 3, ...
31 orient[2 * i + 1] = (i % (2)) * -1 < 0;
32 }
33 CeedElemRestrictionCreateOriented(ceed, num_elem, p, dim, 1, num_elem + 1, CEED_MEM_HOST, CEED_USE_POINTER, ind, orient, &elem_restriction);
34 CeedElemRestrictionCreate(ceed, num_elem, p, dim, 1, num_elem + 1, CEED_MEM_HOST, CEED_USE_POINTER, ind, &elem_restriction_unsigned);
35 CeedElemRestrictionCreateUnsignedCopy(elem_restriction, &elem_restriction_copy);
36
37 CeedElemRestrictionApply(elem_restriction, CEED_NOTRANSPOSE, x, y_oriented, CEED_REQUEST_IMMEDIATE);
38 CeedElemRestrictionApply(elem_restriction_unsigned, CEED_NOTRANSPOSE, x, y_unsigned, CEED_REQUEST_IMMEDIATE);
39 CeedElemRestrictionApply(elem_restriction_copy, CEED_NOTRANSPOSE, x, y_unsigned_copy, CEED_REQUEST_IMMEDIATE);
40 {
41 const CeedScalar *y_oriented_array, *y_unsigned_array, *y_unsigned_copy_array;
42
43 CeedVectorGetArrayRead(y_oriented, CEED_MEM_HOST, &y_oriented_array);
44 CeedVectorGetArrayRead(y_unsigned, CEED_MEM_HOST, &y_unsigned_array);
45 CeedVectorGetArrayRead(y_unsigned_copy, CEED_MEM_HOST, &y_unsigned_copy_array);
46 for (CeedInt i = 0; i < num_elem; i++) {
47 for (CeedInt j = 0; j < p; j++) {
48 CeedInt k = j + p * i;
49 // unsigned application should match oriented application, but with no sign change
50 if (y_oriented_array[k] * CeedIntPow(-1, i % 2) != 10 + (k + 1) / 2) {
51 // LCOV_EXCL_START
52 printf("Error in oriented restricted array y[%" CeedInt_FMT "] = %f\n", k, (CeedScalar)y_oriented_array[k]);
53 // LCOV_EXCL_STOP
54 }
55 if (y_unsigned_array[k] != 10 + (k + 1) / 2) {
56 // LCOV_EXCL_START
57 printf("Error in unsigned restricted array y[%" CeedInt_FMT "] = %f\n", k, (CeedScalar)y_unsigned_array[k]);
58 // LCOV_EXCL_STOP
59 }
60 if (y_unsigned_array[k] != y_unsigned_copy_array[k]) {
61 // LCOV_EXCL_START
62 printf("Error in copy restricted array y[%" CeedInt_FMT "] = %f\n", k, (CeedScalar)y_unsigned_copy_array[k]);
63 // LCOV_EXCL_STOP
64 }
65 }
66 }
67 CeedVectorRestoreArrayRead(y_oriented, &y_oriented_array);
68 CeedVectorRestoreArrayRead(y_unsigned, &y_unsigned_array);
69 CeedVectorRestoreArrayRead(y_unsigned_copy, &y_unsigned_copy_array);
70 }
71
72 CeedVectorDestroy(&x);
73 CeedVectorDestroy(&y_oriented);
74 CeedVectorDestroy(&y_unsigned);
75 CeedVectorDestroy(&y_unsigned_copy);
76 CeedElemRestrictionDestroy(&elem_restriction);
77 CeedElemRestrictionDestroy(&elem_restriction_unsigned);
78 CeedElemRestrictionDestroy(&elem_restriction_copy);
79 CeedDestroy(&ceed);
80 return 0;
81 }
82