xref: /libCEED/tests/t100-vector.c (revision ecc88aeb6e47c91d01ac230341895a796d10ab95)
1 /// @file
2 /// Test creation, setting, reading, restoring, and destroying of a vector
3 /// \test Test creation, setting, reading, restoring, and destroying of a vector
4 #include <ceed.h>
5 
6 int main(int argc, char **argv) {
7   Ceed       ceed;
8   CeedVector x;
9   CeedInt    len = 10;
10   CeedScalar array[len];
11 
12   CeedInit(argv[1], &ceed);
13 
14   CeedVectorCreate(ceed, len, &x);
15   for (CeedInt i = 0; i < len; i++) array[i] = len + i;
16   CeedVectorSetArray(x, CEED_MEM_HOST, CEED_USE_POINTER, array);
17 
18   {
19     const CeedScalar *read_array;
20 
21     CeedVectorGetArrayRead(x, CEED_MEM_HOST, &read_array);
22     for (CeedInt i = 0; i < len; i++) {
23       if (read_array[i] != len + i) printf("Error reading array[%" CeedInt_FMT "] = %f\n", i, (CeedScalar)read_array[i]);
24     }
25     CeedVectorRestoreArrayRead(x, &read_array);
26   }
27 
28   CeedVectorDestroy(&x);
29   CeedDestroy(&ceed);
30   return 0;
31 }
32