1 /// @file 2 /// Test creation, use, and destruction of a strided element restriction 3 /// \test Test creation, use, and destruction of a strided element restriction 4 #include <ceed.h> 5 #include <ceed/backend.h> 6 7 int main(int argc, char **argv) { 8 Ceed ceed; 9 CeedVector x, y; 10 CeedInt num_elem = 3; 11 CeedInt strides[3] = {1, 2, 2}; 12 CeedInt layout[3]; 13 CeedScalar x_array[num_elem * 2]; 14 CeedElemRestriction elem_restriction; 15 16 CeedInit(argv[1], &ceed); 17 18 CeedVectorCreate(ceed, num_elem * 2, &x); 19 for (CeedInt i = 0; i < num_elem * 2; i++) x_array[i] = 10 + i; 20 CeedVectorSetArray(x, CEED_MEM_HOST, CEED_USE_POINTER, x_array); 21 CeedVectorCreate(ceed, num_elem * 2, &y); 22 23 CeedElemRestrictionCreateStrided(ceed, num_elem, 2, 1, num_elem * 2, strides, &elem_restriction); 24 CeedElemRestrictionApply(elem_restriction, CEED_NOTRANSPOSE, x, y, CEED_REQUEST_IMMEDIATE); 25 26 { 27 const CeedScalar *y_array; 28 29 CeedVectorGetArrayRead(y, CEED_MEM_HOST, &y_array); 30 CeedElemRestrictionGetELayout(elem_restriction, &layout); 31 for (CeedInt i = 0; i < 2; i++) { // Node 32 for (CeedInt j = 0; j < 1; j++) { // Component 33 for (CeedInt k = 0; k < num_elem; k++) { // Element 34 if (y_array[i * layout[0] + j * layout[1] + k * layout[2]] != x_array[i * strides[0] + j * strides[1] + k * strides[2]]) { 35 // LCOV_EXCL_START 36 printf("Error in restricted array y[%" CeedInt_FMT "][%" CeedInt_FMT "][%" CeedInt_FMT "] = %f\n", i, j, k, 37 (CeedScalar)y_array[i * strides[0] + j * strides[1] + j * strides[2]]); 38 // LCOV_EXCL_STOP 39 } 40 } 41 } 42 } 43 CeedVectorRestoreArrayRead(y, &y_array); 44 } 45 46 CeedVectorDestroy(&x); 47 CeedVectorDestroy(&y); 48 CeedElemRestrictionDestroy(&elem_restriction); 49 CeedDestroy(&ceed); 50 return 0; 51 } 52