1 /// @file 2 /// Test integration ApplyAdd with a 2D Simplex non-tensor H^1 basis 3 /// \test Test integration ApplyAdd with a 2D Simplex non-tensor H^1 basis 4 #include <ceed.h> 5 #include <math.h> 6 #include <stdio.h> 7 8 #include "t320-basis.h" 9 10 // main test 11 int main(int argc, char **argv) { 12 Ceed ceed; 13 CeedVector u, v, u_q, v_q, w_q; 14 const CeedInt p = 6, q = 4, dim = 2; 15 CeedBasis basis; 16 CeedScalar q_ref[dim * q], q_weight[q]; 17 CeedScalar interp[p * q], grad[dim * p * q]; 18 19 CeedInit(argv[1], &ceed); 20 21 CeedVectorCreate(ceed, p, &u); 22 CeedVectorCreate(ceed, p, &v); 23 CeedVectorSetValue(u, 1.0); 24 CeedVectorSetValue(v, 0.0); 25 CeedVectorCreate(ceed, q, &u_q); 26 CeedVectorCreate(ceed, q, &v_q); 27 CeedVectorCreate(ceed, q, &w_q); 28 29 Build2DSimplex(q_ref, q_weight, interp, grad); 30 CeedBasisCreateH1(ceed, CEED_TOPOLOGY_TRIANGLE, 1, p, q, interp, grad, q_ref, q_weight, &basis); 31 32 // Compute area 33 CeedBasisApply(basis, 1, CEED_NOTRANSPOSE, CEED_EVAL_INTERP, u, u_q); 34 CeedBasisApply(basis, 1, CEED_NOTRANSPOSE, CEED_EVAL_WEIGHT, CEED_VECTOR_NONE, w_q); 35 CeedVectorPointwiseMult(v_q, u_q, w_q); 36 CeedBasisApply(basis, 1, CEED_TRANSPOSE, CEED_EVAL_INTERP, v_q, v); 37 // Double area computed 38 CeedBasisApplyAdd(basis, 1, CEED_TRANSPOSE, CEED_EVAL_INTERP, v_q, v); 39 40 // Check area 41 { 42 const CeedScalar *v_array; 43 CeedScalar area = 0.0; 44 45 CeedVectorGetArrayRead(v, CEED_MEM_HOST, &v_array); 46 for (CeedInt i = 0; i < p; i++) area += v_array[i]; 47 if (fabs(area - 1.0) > 1E-6) printf("Incorrect area computed %f != %f\n", area, 1.0); 48 CeedVectorRestoreArrayRead(v, &v_array); 49 } 50 51 CeedVectorDestroy(&u); 52 CeedVectorDestroy(&v); 53 CeedVectorDestroy(&u_q); 54 CeedVectorDestroy(&v_q); 55 CeedVectorDestroy(&w_q); 56 CeedBasisDestroy(&basis); 57 CeedDestroy(&ceed); 58 return 0; 59 } 60