1 /// @file 2 /// Test creation, action, and destruction for mass matrix operator with passive inputs and outputs 3 /// \test Test creation, action, and destruction for mass matrix operator with passive inputs and outputs 4 #include <ceed.h> 5 #include <stdlib.h> 6 #include <math.h> 7 8 #include "t500-operator.h" 9 10 int main(int argc, char **argv) { 11 Ceed ceed; 12 CeedElemRestriction elem_restr_x, elem_restr_u, elem_restr_qd_i; 13 CeedBasis basis_x, basis_u; 14 CeedQFunction qf_setup, qf_mass; 15 CeedOperator op_setup, op_mass; 16 CeedVector q_data, X, U, V; 17 const CeedScalar *hv; 18 CeedInt num_elem = 15, P = 5, Q = 8; 19 CeedInt Nx = num_elem+1, Nu = num_elem*(P-1)+1; 20 CeedInt ind_x[num_elem*2], ind_u[num_elem*P]; 21 CeedScalar x[Nx]; 22 CeedScalar sum; 23 24 CeedInit(argv[1], &ceed); 25 26 // Vectors 27 CeedVectorCreate(ceed, Nu, &U); 28 CeedVectorSetValue(U, 1.0); 29 30 CeedVectorCreate(ceed, Nu, &V); 31 32 for (CeedInt i=0; i<Nx; i++) 33 x[i] = (CeedScalar) i / (Nx - 1); 34 CeedVectorCreate(ceed, Nx, &X); 35 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 36 37 CeedVectorCreate(ceed, num_elem*Q, &q_data); 38 39 // Restrictions 40 for (CeedInt i=0; i<num_elem; i++) { 41 ind_x[2*i+0] = i; 42 ind_x[2*i+1] = i+1; 43 } 44 CeedElemRestrictionCreate(ceed, num_elem, 2, 1, 1, Nx, CEED_MEM_HOST, 45 CEED_USE_POINTER, ind_x, &elem_restr_x); 46 47 for (CeedInt i=0; i<num_elem; i++) { 48 for (CeedInt j=0; j<P; j++) { 49 ind_u[P*i+j] = i*(P-1) + j; 50 } 51 } 52 CeedElemRestrictionCreate(ceed, num_elem, P, 1, 1, Nu, CEED_MEM_HOST, 53 CEED_USE_POINTER, ind_u, &elem_restr_u); 54 CeedInt strides_qd[3] = {1, Q, Q}; 55 CeedElemRestrictionCreateStrided(ceed, num_elem, Q, 1, Q*num_elem, strides_qd, 56 &elem_restr_qd_i); 57 58 // Bases 59 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &basis_x); 60 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, P, Q, CEED_GAUSS, &basis_u); 61 62 // QFunctions 63 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 64 CeedQFunctionAddInput(qf_setup, "_weight", 1, CEED_EVAL_WEIGHT); 65 CeedQFunctionAddInput(qf_setup, "dx", 1, CEED_EVAL_GRAD); 66 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 67 68 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 69 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 70 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 71 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 72 73 // Operators 74 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 75 &op_setup); 76 77 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 78 &op_mass); 79 80 CeedOperatorSetField(op_setup, "_weight", CEED_ELEMRESTRICTION_NONE, basis_x, 81 CEED_VECTOR_NONE); 82 CeedOperatorSetField(op_setup, "dx", elem_restr_x, basis_x, X); 83 CeedOperatorSetField(op_setup, "rho", elem_restr_qd_i, CEED_BASIS_COLLOCATED, 84 q_data); 85 86 CeedOperatorSetField(op_mass, "rho", elem_restr_qd_i, CEED_BASIS_COLLOCATED, 87 q_data); 88 CeedOperatorSetField(op_mass, "u", elem_restr_u, basis_u, U); 89 CeedOperatorSetField(op_mass, "v", elem_restr_u, basis_u, V); 90 91 // Note - It is atypical to use only passive fields; this test is intended 92 // as a test for all passive input modes rather than as an example. 93 CeedOperatorApply(op_setup, CEED_VECTOR_NONE, CEED_VECTOR_NONE, 94 CEED_REQUEST_IMMEDIATE); 95 CeedOperatorApply(op_mass, CEED_VECTOR_NONE, CEED_VECTOR_NONE, 96 CEED_REQUEST_IMMEDIATE); 97 98 // Check output 99 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 100 sum = 0.; 101 for (CeedInt i=0; i<Nu; i++) 102 sum += hv[i]; 103 if (fabs(sum-1.)>1e-10) printf("Computed Area: %f != True Area: 1.0\n", sum); 104 CeedVectorRestoreArrayRead(V, &hv); 105 106 CeedQFunctionDestroy(&qf_setup); 107 CeedQFunctionDestroy(&qf_mass); 108 CeedOperatorDestroy(&op_setup); 109 CeedOperatorDestroy(&op_mass); 110 CeedElemRestrictionDestroy(&elem_restr_u); 111 CeedElemRestrictionDestroy(&elem_restr_x); 112 CeedElemRestrictionDestroy(&elem_restr_qd_i); 113 CeedBasisDestroy(&basis_u); 114 CeedBasisDestroy(&basis_x); 115 CeedVectorDestroy(&X); 116 CeedVectorDestroy(&U); 117 CeedVectorDestroy(&V); 118 CeedVectorDestroy(&q_data); 119 CeedDestroy(&ceed); 120 return 0; 121 } 122