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 CeedInterlaceMode imode = CEED_NONINTERLACED; 13 CeedElemRestriction Erestrictx, Erestrictu, Erestrictui; 14 CeedBasis bx, bu; 15 CeedQFunction qf_setup, qf_mass; 16 CeedOperator op_setup, op_mass; 17 CeedVector qdata, X, U, V; 18 const CeedScalar *hv; 19 CeedInt nelem = 15, P = 5, Q = 8; 20 CeedInt Nx = nelem+1, Nu = nelem*(P-1)+1; 21 CeedInt indx[nelem*2], indu[nelem*P]; 22 CeedScalar x[Nx]; 23 CeedScalar sum; 24 25 CeedInit(argv[1], &ceed); 26 27 // Vectors 28 CeedVectorCreate(ceed, Nu, &U); 29 CeedVectorSetValue(U, 1.0); 30 31 CeedVectorCreate(ceed, Nu, &V); 32 33 for (CeedInt i=0; i<Nx; i++) 34 x[i] = (CeedScalar) i / (Nx - 1); 35 CeedVectorCreate(ceed, Nx, &X); 36 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 37 38 CeedVectorCreate(ceed, nelem*Q, &qdata); 39 40 // Restrictions 41 for (CeedInt i=0; i<nelem; i++) { 42 indx[2*i+0] = i; 43 indx[2*i+1] = i+1; 44 } 45 CeedElemRestrictionCreate(ceed, imode, nelem, 2, Nx, 1, CEED_MEM_HOST, 46 CEED_USE_POINTER, indx, &Erestrictx); 47 48 for (CeedInt i=0; i<nelem; i++) { 49 for (CeedInt j=0; j<P; j++) { 50 indu[P*i+j] = i*(P-1) + j; 51 } 52 } 53 CeedElemRestrictionCreate(ceed, imode, nelem, P, Nu, 1, CEED_MEM_HOST, 54 CEED_USE_POINTER, indu, &Erestrictu); 55 CeedInt stridesu[3] = {1, Q, Q}; 56 CeedElemRestrictionCreateStrided(ceed, nelem, Q, Q*nelem, 1, stridesu, 57 &Erestrictui); 58 59 // Bases 60 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &bx); 61 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, P, Q, CEED_GAUSS, &bu); 62 63 // QFunctions 64 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 65 CeedQFunctionAddInput(qf_setup, "_weight", 1, CEED_EVAL_WEIGHT); 66 CeedQFunctionAddInput(qf_setup, "dx", 1, CEED_EVAL_GRAD); 67 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 68 69 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 70 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 71 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 72 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 73 74 // Operators 75 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 76 &op_setup); 77 78 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 79 &op_mass); 80 81 CeedOperatorSetField(op_setup, "_weight", CEED_ELEMRESTRICTION_NONE, bx, 82 CEED_VECTOR_NONE); 83 CeedOperatorSetField(op_setup, "dx", Erestrictx, bx, X); 84 CeedOperatorSetField(op_setup, "rho", Erestrictui, CEED_BASIS_COLLOCATED, 85 qdata); 86 87 CeedOperatorSetField(op_mass, "rho", Erestrictui, CEED_BASIS_COLLOCATED, 88 qdata); 89 CeedOperatorSetField(op_mass, "u", Erestrictu, bu, U); 90 CeedOperatorSetField(op_mass, "v", Erestrictu, bu, V); 91 92 // Note - It is atypical to use only passive fields; this test is intended 93 // as a test for all passive input modes rather than as an example. 94 CeedOperatorApply(op_setup, CEED_VECTOR_NONE, CEED_VECTOR_NONE, 95 CEED_REQUEST_IMMEDIATE); 96 CeedOperatorApply(op_mass, CEED_VECTOR_NONE, CEED_VECTOR_NONE, 97 CEED_REQUEST_IMMEDIATE); 98 99 // Check output 100 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 101 sum = 0.; 102 for (CeedInt i=0; i<Nu; i++) 103 sum += hv[i]; 104 if (fabs(sum-1.)>1e-10) printf("Computed Area: %f != True Area: 1.0\n", sum); 105 CeedVectorRestoreArrayRead(V, &hv); 106 107 CeedQFunctionDestroy(&qf_setup); 108 CeedQFunctionDestroy(&qf_mass); 109 CeedOperatorDestroy(&op_setup); 110 CeedOperatorDestroy(&op_mass); 111 CeedElemRestrictionDestroy(&Erestrictu); 112 CeedElemRestrictionDestroy(&Erestrictx); 113 CeedElemRestrictionDestroy(&Erestrictui); 114 CeedBasisDestroy(&bu); 115 CeedBasisDestroy(&bx); 116 CeedVectorDestroy(&X); 117 CeedVectorDestroy(&U); 118 CeedVectorDestroy(&V); 119 CeedVectorDestroy(&qdata); 120 CeedDestroy(&ceed); 121 return 0; 122 } 123