1 /// @file 2 /// Test syncing device data to host pointer 3 /// \test Test syncing device data to host pointer 4 #include <ceed.h> 5 6 int main(int argc, char **argv) { 7 Ceed ceed; 8 CeedVector x; 9 CeedVector y; 10 CeedInt n; 11 CeedScalar a[10], b[10]; 12 const CeedScalar *c; 13 14 CeedInit(argv[1], &ceed); 15 16 n = 10; 17 CeedVectorCreate(ceed, n, &x); 18 CeedVectorCreate(ceed, n, &y); 19 for (CeedInt i = 0; i < n; i++) a[i] = 10 + i; 20 CeedVectorSetArray(x, CEED_MEM_HOST, CEED_USE_POINTER, a); 21 22 for (CeedInt i = 0; i < n; i++) b[i] = 0; 23 CeedVectorSetArray(y, CEED_MEM_HOST, CEED_USE_POINTER, b); 24 25 CeedVectorGetArrayRead(x, CEED_MEM_DEVICE, &c); 26 CeedVectorSetArray(y, CEED_MEM_DEVICE, CEED_COPY_VALUES, (CeedScalar *)c); 27 CeedVectorRestoreArrayRead(x, &c); 28 29 CeedVectorSyncArray(y, CEED_MEM_HOST); 30 for (CeedInt i = 0; i < n; i++) { 31 if (b[i] != 10 + i) printf("Error reading array b[%" CeedInt_FMT "] = %f\n", i, (CeedScalar)b[i]); 32 } 33 34 CeedVectorDestroy(&x); 35 CeedVectorDestroy(&y); 36 CeedDestroy(&ceed); 37 return 0; 38 } 39