xref: /libCEED/tests/t103-vector.c (revision 4fee36f0a30516a0b5ad51bf7eb3b32d83efd623)
10436c2adSjeremylt /// @file
20436c2adSjeremylt /// Test setting one vector from array of another vector
30436c2adSjeremylt /// \test Test setting one vector from array of another vector
40436c2adSjeremylt #include <ceed.h>
50436c2adSjeremylt 
60436c2adSjeremylt int main(int argc, char **argv) {
70436c2adSjeremylt   Ceed       ceed;
8*4fee36f0SJeremy L Thompson   CeedVector x, y;
9*4fee36f0SJeremy L Thompson   CeedInt    len = 10;
100436c2adSjeremylt 
110436c2adSjeremylt   CeedInit(argv[1], &ceed);
120436c2adSjeremylt 
13*4fee36f0SJeremy L Thompson   CeedVectorCreate(ceed, len, &x);
14*4fee36f0SJeremy L Thompson   CeedVectorCreate(ceed, len, &y);
150436c2adSjeremylt 
16*4fee36f0SJeremy L Thompson   {
17*4fee36f0SJeremy L Thompson     CeedScalar array[len];
180436c2adSjeremylt 
19*4fee36f0SJeremy L Thompson     for (CeedInt i = 0; i < len; i++) array[i] = len + i;
20*4fee36f0SJeremy L Thompson     CeedVectorSetArray(x, CEED_MEM_HOST, CEED_COPY_VALUES, array);
212b730f8bSJeremy L Thompson   }
22*4fee36f0SJeremy L Thompson   {
23*4fee36f0SJeremy L Thompson     const CeedScalar *read_array;
240436c2adSjeremylt 
25*4fee36f0SJeremy L Thompson     CeedVectorGetArrayRead(x, CEED_MEM_HOST, &read_array);
26*4fee36f0SJeremy L Thompson     CeedVectorSetArray(y, CEED_MEM_HOST, CEED_COPY_VALUES, (CeedScalar *)read_array);
27*4fee36f0SJeremy L Thompson     CeedVectorRestoreArrayRead(x, &read_array);
28*4fee36f0SJeremy L Thompson   }
29*4fee36f0SJeremy L Thompson   {
30*4fee36f0SJeremy L Thompson     const CeedScalar *read_array;
31*4fee36f0SJeremy L Thompson 
32*4fee36f0SJeremy L Thompson     CeedVectorGetArrayRead(y, CEED_MEM_HOST, &read_array);
33*4fee36f0SJeremy L Thompson     for (CeedInt i = 0; i < len; i++) {
34*4fee36f0SJeremy L Thompson       if (read_array[i] != len + i) printf("Error reading array[%" CeedInt_FMT "] = %f\n", i, (CeedScalar)read_array[i]);
35*4fee36f0SJeremy L Thompson     }
36*4fee36f0SJeremy L Thompson     CeedVectorRestoreArrayRead(y, &read_array);
37*4fee36f0SJeremy L Thompson   }
38*4fee36f0SJeremy L Thompson 
39*4fee36f0SJeremy L Thompson   CeedVectorDestroy(&x);
40*4fee36f0SJeremy L Thompson   CeedVectorDestroy(&y);
410436c2adSjeremylt   CeedDestroy(&ceed);
420436c2adSjeremylt   return 0;
430436c2adSjeremylt }
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