1 /// @file
2 /// Test creation, setting, reading, restoring, and destroying of a vector using CEED_MEM_DEVICE
3 /// \test Test creation, setting, reading, restoring, and destroying of a vector using CEED_MEM_DEVICE
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 len = 10;
11
12 CeedInit(argv[1], &ceed);
13
14 CeedVectorCreate(ceed, len, &x);
15 CeedVectorCreate(ceed, len, &y);
16 {
17 CeedScalar array[len];
18
19 for (CeedInt i = 0; i < len; i++) array[i] = len + i;
20 CeedVectorSetArray(x, CEED_MEM_HOST, CEED_COPY_VALUES, array);
21 }
22 {
23 const CeedScalar *read_array;
24
25 CeedVectorGetArrayRead(x, CEED_MEM_DEVICE, &read_array);
26 CeedVectorSetArray(y, CEED_MEM_DEVICE, CEED_COPY_VALUES, (CeedScalar *)read_array);
27 CeedVectorRestoreArrayRead(x, &read_array);
28 }
29 {
30 const CeedScalar *read_array;
31
32 CeedVectorGetArrayRead(y, CEED_MEM_HOST, &read_array);
33 for (CeedInt i = 0; i < len; i++) {
34 if (read_array[i] != len + i) printf("Error reading array[%" CeedInt_FMT "] = %f\n", i, (CeedScalar)read_array[i]);
35 }
36 CeedVectorRestoreArrayRead(y, &read_array);
37 }
38
39 CeedVectorDestroy(&x);
40 CeedVectorDestroy(&y);
41 CeedDestroy(&ceed);
42 return 0;
43 }
44