10436c2adSjeremylt /// @file 20436c2adSjeremylt /// Test syncing device data to host pointer 30436c2adSjeremylt /// \test Test syncing device data to host pointer 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; 10*4fee36f0SJeremy L Thompson CeedScalar x_array[len]; 110436c2adSjeremylt 120436c2adSjeremylt CeedInit(argv[1], &ceed); 130436c2adSjeremylt 14*4fee36f0SJeremy L Thompson CeedVectorCreate(ceed, len, &x); 15*4fee36f0SJeremy L Thompson CeedVectorCreate(ceed, len, &y); 160436c2adSjeremylt 17*4fee36f0SJeremy L Thompson for (CeedInt i = 0; i < len; i++) x_array[i] = 0; 18*4fee36f0SJeremy L Thompson CeedVectorSetArray(x, CEED_MEM_HOST, CEED_USE_POINTER, x_array); 19*4fee36f0SJeremy L Thompson { 20*4fee36f0SJeremy L Thompson CeedScalar initial_array[len]; 210436c2adSjeremylt 22*4fee36f0SJeremy L Thompson for (CeedInt i = 0; i < len; i++) initial_array[i] = len + i; 23*4fee36f0SJeremy L Thompson CeedVectorSetArray(y, CEED_MEM_HOST, CEED_COPY_VALUES, initial_array); 24*4fee36f0SJeremy L Thompson } 25*4fee36f0SJeremy L Thompson { 26*4fee36f0SJeremy L Thompson const CeedScalar *read_array; 270436c2adSjeremylt 28*4fee36f0SJeremy L Thompson CeedVectorGetArrayRead(y, CEED_MEM_DEVICE, &read_array); 29*4fee36f0SJeremy L Thompson CeedVectorSetArray(x, CEED_MEM_DEVICE, CEED_COPY_VALUES, (CeedScalar *)read_array); 30*4fee36f0SJeremy L Thompson CeedVectorRestoreArrayRead(y, &read_array); 31*4fee36f0SJeremy L Thompson } 32*4fee36f0SJeremy L Thompson CeedVectorSyncArray(x, CEED_MEM_HOST); 33*4fee36f0SJeremy L Thompson for (CeedInt i = 0; i < len; i++) { 34*4fee36f0SJeremy L Thompson if (x_array[i] != len + i) printf("Error reading array[%" CeedInt_FMT "] = %f\n", i, (CeedScalar)x_array[i]); 352b730f8bSJeremy L Thompson } 360436c2adSjeremylt 370436c2adSjeremylt CeedVectorDestroy(&x); 380436c2adSjeremylt CeedVectorDestroy(&y); 390436c2adSjeremylt CeedDestroy(&ceed); 400436c2adSjeremylt return 0; 410436c2adSjeremylt } 42