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