xref: /libCEED/tests/t100-vector.c (revision edf0491998c1d524f2f70fdd683669b8904cb3b6)
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 #include <stdio.h>
6 
7 int main(int argc, char **argv) {
8   Ceed       ceed;
9   CeedVector x;
10   CeedInt    len = 10;
11   CeedScalar array[len];
12 
13   CeedInit(argv[1], &ceed);
14 
15   CeedVectorCreate(ceed, len, &x);
16   for (CeedInt i = 0; i < len; i++) array[i] = len + i;
17   CeedVectorSetArray(x, CEED_MEM_HOST, CEED_USE_POINTER, array);
18 
19   {
20     const CeedScalar *read_array;
21 
22     CeedVectorGetArrayRead(x, CEED_MEM_HOST, &read_array);
23     for (CeedInt i = 0; i < len; i++) {
24       if (read_array[i] != len + i) printf("Error reading array[%" CeedInt_FMT "] = %f\n", i, (CeedScalar)read_array[i]);
25     }
26     CeedVectorRestoreArrayRead(x, &read_array);
27   }
28 
29   CeedVectorDestroy(&x);
30   CeedDestroy(&ceed);
31   return 0;
32 }
33