1 /// @file 2 /// Test creation, transpose use, and destruction of a multi-component element restriction 3 /// \test Test creation, transpose use, and destruction of a multi-component element restriction 4 #include <ceed.h> 5 #include <ceed/backend.h> 6 #include <stdio.h> 7 8 int main(int argc, char **argv) { 9 Ceed ceed; 10 CeedVector x, y; 11 CeedInt num_elem = 5; 12 CeedInt ind[2 * num_elem]; 13 CeedInt layout[3]; 14 CeedScalar mult; 15 CeedElemRestriction elem_restriction; 16 17 CeedInit(argv[1], &ceed); 18 19 // Setup 20 CeedVectorCreate(ceed, 2 * (num_elem * 2), &x); 21 CeedVectorCreate(ceed, 2 * (num_elem + 1), &y); 22 CeedVectorSetValue(y, 0.0); // Allocates array, transpose mode sums into vector 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, 2, num_elem + 1, 2 * (num_elem + 1), CEED_MEM_HOST, CEED_USE_POINTER, ind, &elem_restriction); 29 30 // Set x data in backend E-layout 31 CeedElemRestrictionGetELayout(elem_restriction, &layout); 32 { 33 CeedScalar x_array[2 * (num_elem * 2)]; 34 35 for (CeedInt i = 0; i < 2; i++) { // Node 36 for (CeedInt j = 0; j < 2; j++) { // Component 37 for (CeedInt k = 0; k < num_elem; k++) { // Element 38 x_array[i * layout[0] + j * layout[1] + k * layout[2]] = 10 * j + (2 * k + i + 1) / 2; 39 } 40 } 41 } 42 CeedVectorSetArray(x, CEED_MEM_HOST, CEED_COPY_VALUES, x_array); 43 } 44 45 // Restrict 46 CeedElemRestrictionApply(elem_restriction, CEED_TRANSPOSE, x, y, CEED_REQUEST_IMMEDIATE); 47 48 // Check 49 { 50 const CeedScalar *y_array; 51 52 CeedVectorGetArrayRead(y, CEED_MEM_HOST, &y_array); 53 for (CeedInt i = 0; i < num_elem + 1; i++) { 54 mult = i > 0 && i < num_elem ? 2 : 1; 55 if (y_array[i] != i * mult) printf("Error in restricted array y[%" CeedInt_FMT "] = %f != %f\n", i, (CeedScalar)y_array[i], i * mult); 56 if (y_array[i + num_elem + 1] != (10 + i) * mult) { 57 // LCOV_EXCL_START 58 printf("Error in restricted array y[%" CeedInt_FMT "] = %f != %f\n", i + num_elem + 1, (CeedScalar)y_array[i + num_elem + 1], 59 (10. + i) * mult); 60 // LCOV_EXCL_STOP 61 } 62 } 63 CeedVectorRestoreArrayRead(y, &y_array); 64 } 65 66 CeedVectorDestroy(&x); 67 CeedVectorDestroy(&y); 68 CeedElemRestrictionDestroy(&elem_restriction); 69 CeedDestroy(&ceed); 70 return 0; 71 } 72