1 /// @file 2 /// Test creation, use, and destruction of an element restriction 3 /// \test Test creation, use, and destruction of an element restriction 4 #include <ceed.h> 5 6 int main(int argc, char **argv) { 7 Ceed ceed; 8 CeedVector x, y; 9 CeedInt num_elem = 3; 10 CeedInt ind[2 * num_elem]; 11 CeedElemRestriction elem_restriction; 12 13 CeedInit(argv[1], &ceed); 14 15 CeedVectorCreate(ceed, num_elem + 1, &x); 16 { 17 CeedScalar array[num_elem + 1]; 18 19 for (CeedInt i = 0; i < num_elem + 1; i++) array[i] = 10 + i; 20 CeedVectorSetArray(x, CEED_MEM_HOST, CEED_COPY_VALUES, array); 21 } 22 CeedVectorCreate(ceed, num_elem * 2, &y); 23 24 for (CeedInt i = 0; i < num_elem; i++) { 25 ind[2 * i + 0] = i; 26 ind[2 * i + 1] = i + 1; 27 } 28 CeedElemRestrictionCreate(ceed, num_elem, 2, 1, 1, num_elem + 1, CEED_MEM_HOST, CEED_USE_POINTER, ind, &elem_restriction); 29 CeedElemRestrictionApply(elem_restriction, CEED_NOTRANSPOSE, x, y, CEED_REQUEST_IMMEDIATE); 30 { 31 const CeedScalar *read_array; 32 33 CeedVectorGetArrayRead(y, CEED_MEM_HOST, &read_array); 34 for (CeedInt i = 0; i < num_elem * 2; i++) { 35 if (10 + (i + 1) / 2 != read_array[i]) printf("Error in restricted array y[%" CeedInt_FMT "] = %f\n", i, (CeedScalar)read_array[i]); 36 } 37 CeedVectorRestoreArrayRead(y, &read_array); 38 } 39 40 CeedVectorDestroy(&x); 41 CeedVectorDestroy(&y); 42 CeedElemRestrictionDestroy(&elem_restriction); 43 CeedDestroy(&ceed); 44 return 0; 45 } 46