1 /// @file 2 /// Test grad transpose with a 2D Simplex non-tensor H1 basis 3 /// \test Test grad transpose with a 2D Simplex non-tensor H1 basis 4 #include <ceed.h> 5 #include <math.h> 6 #include <stdio.h> 7 8 #include "t320-basis.h" 9 10 int main(int argc, char **argv) { 11 Ceed ceed; 12 CeedVector u, v; 13 const CeedInt p = 6, q = 4, dim = 2; 14 CeedBasis basis; 15 CeedScalar q_ref[dim * q], q_weight[q]; 16 CeedScalar interp[p * q], grad[dim * p * q]; 17 CeedScalar column_sum[p]; 18 19 CeedInit(argv[1], &ceed); 20 21 CeedVectorCreate(ceed, q * dim, &u); 22 CeedVectorSetValue(u, 1); 23 CeedVectorCreate(ceed, p, &v); 24 CeedVectorSetValue(v, 0); 25 26 Build2DSimplex(q_ref, q_weight, interp, grad); 27 CeedBasisCreateH1(ceed, CEED_TOPOLOGY_TRIANGLE, 1, p, q, interp, grad, q_ref, q_weight, &basis); 28 29 CeedBasisApply(basis, 1, CEED_TRANSPOSE, CEED_EVAL_GRAD, u, v); 30 31 // Check values at quadrature points 32 for (int i = 0; i < p; i++) { 33 column_sum[i] = 0; 34 for (int j = 0; j < q * dim; j++) { 35 column_sum[i] += grad[i + j * p]; 36 } 37 } 38 { 39 const CeedScalar *v_array; 40 41 CeedVectorGetArrayRead(v, CEED_MEM_HOST, &v_array); 42 for (int i = 0; i < p; i++) { 43 if (fabs(column_sum[i] - v_array[i]) > 100. * CEED_EPSILON) printf("[%" CeedInt_FMT "] %f != %f\n", i, v_array[i], column_sum[i]); 44 } 45 CeedVectorRestoreArrayRead(v, &v_array); 46 } 47 48 CeedVectorDestroy(&u); 49 CeedVectorDestroy(&v); 50 CeedBasisDestroy(&basis); 51 CeedDestroy(&ceed); 52 return 0; 53 } 54