1 /// @file 2 /// Test creation, use, and destruction of a multicomponent element restriction 3 /// \test Test creation, use, and destruction of a multicomponent 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 ind[2 * num_elem]; 12 CeedInt layout[3]; 13 CeedScalar a[2 * (num_elem + 1)]; 14 const CeedScalar *yy; 15 CeedElemRestriction r; 16 17 CeedInit(argv[1], &ceed); 18 19 // Setup 20 CeedVectorCreate(ceed, 2 * (num_elem + 1), &x); 21 for (CeedInt i = 0; i < num_elem + 1; i++) { 22 a[i] = 10 + i; 23 a[i + num_elem + 1] = 20 + i; 24 } 25 CeedVectorSetArray(x, CEED_MEM_HOST, CEED_USE_POINTER, a); 26 27 for (CeedInt i = 0; i < num_elem; i++) { 28 ind[2 * i + 0] = i; 29 ind[2 * i + 1] = i + 1; 30 } 31 CeedElemRestrictionCreate(ceed, num_elem, 2, 2, num_elem + 1, 2 * (num_elem + 1), CEED_MEM_HOST, CEED_USE_POINTER, ind, &r); 32 CeedVectorCreate(ceed, 2 * (num_elem * 2), &y); 33 34 // Restrict 35 CeedElemRestrictionApply(r, CEED_NOTRANSPOSE, x, y, CEED_REQUEST_IMMEDIATE); 36 37 // Check 38 CeedVectorGetArrayRead(y, CEED_MEM_HOST, &yy); 39 CeedElemRestrictionGetELayout(r, &layout); 40 for (CeedInt i = 0; i < 2; i++) { // Node 41 for (CeedInt j = 0; j < 2; j++) { // Component 42 for (CeedInt k = 0; k < num_elem; k++) { // Element 43 if (yy[i * layout[0] + j * layout[1] + k * layout[2]] != a[ind[i + k * 2] + j * (num_elem + 1)]) { 44 // LCOV_EXCL_START 45 printf("Error in restricted array y[%" CeedInt_FMT "][%" CeedInt_FMT "][%" CeedInt_FMT "] = %f != %f\n", i, j, k, 46 (CeedScalar)yy[i * layout[0] + j * layout[1] + k * layout[2]], a[ind[i + k * 2] + j * (num_elem + 1)]); 47 // LCOV_EXCL_STOP 48 } 49 } 50 } 51 } 52 53 CeedVectorRestoreArrayRead(y, &yy); 54 CeedVectorDestroy(&x); 55 CeedVectorDestroy(&y); 56 CeedElemRestrictionDestroy(&r); 57 CeedDestroy(&ceed); 58 return 0; 59 } 60