1 /// @file 2 /// Test creation, action, and destruction for mass matrix operator with multiple components 3 /// \test Test creation, action, and destruction for mass matrix operator with multiple components 4 #include <ceed.h> 5 #include <stdlib.h> 6 #include <math.h> 7 8 #include "t502-operator.h" 9 10 int main(int argc, char **argv) { 11 Ceed ceed; 12 CeedElemRestriction Erestrictx, Erestrictu, Erestrictui; 13 CeedBasis bx, bu; 14 CeedQFunction qf_setup, qf_mass; 15 CeedOperator op_setup, op_mass; 16 CeedVector qdata, X, U, V; 17 CeedScalar *hu; 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 sum1, sum2; 24 25 CeedInit(argv[1], &ceed); 26 27 for (CeedInt i=0; i<Nx; i++) 28 x[i] = (CeedScalar) i / (Nx - 1); 29 for (CeedInt i=0; i<nelem; i++) { 30 indx[2*i+0] = i; 31 indx[2*i+1] = i+1; 32 } 33 // Restrictions 34 CeedElemRestrictionCreate(ceed, nelem, 2, 1, 1, Nx, CEED_MEM_HOST, 35 CEED_USE_POINTER, indx, &Erestrictx); 36 37 for (CeedInt i=0; i<nelem; i++) { 38 for (CeedInt j=0; j<P; j++) { 39 indu[P*i+j] = 2*(i*(P-1) + j); 40 } 41 } 42 CeedElemRestrictionCreate(ceed, nelem, P, 2, 1, 2*Nu, CEED_MEM_HOST, 43 CEED_USE_POINTER, indu, &Erestrictu); 44 CeedInt stridesu[3] = {1, Q, Q}; 45 CeedElemRestrictionCreateStrided(ceed, nelem, Q, 1, Q*nelem, stridesu, 46 &Erestrictui); 47 48 // Bases 49 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &bx); 50 CeedBasisCreateTensorH1Lagrange(ceed, 1, 2, P, Q, CEED_GAUSS, &bu); 51 52 // QFunctions 53 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 54 CeedQFunctionAddInput(qf_setup, "_weight", 1, CEED_EVAL_WEIGHT); 55 CeedQFunctionAddInput(qf_setup, "dx", 1*1, CEED_EVAL_GRAD); 56 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 57 58 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 59 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 60 CeedQFunctionAddInput(qf_mass, "u", 2, CEED_EVAL_INTERP); 61 CeedQFunctionAddOutput(qf_mass, "v", 2, CEED_EVAL_INTERP); 62 63 // Operators 64 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 65 &op_setup); 66 67 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 68 &op_mass); 69 70 CeedVectorCreate(ceed, Nx, &X); 71 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 72 CeedVectorCreate(ceed, nelem*Q, &qdata); 73 74 CeedOperatorSetField(op_setup, "_weight", CEED_ELEMRESTRICTION_NONE, bx, 75 CEED_VECTOR_NONE); 76 CeedOperatorSetField(op_setup, "dx", Erestrictx, bx, CEED_VECTOR_ACTIVE); 77 CeedOperatorSetField(op_setup, "rho", Erestrictui, CEED_BASIS_COLLOCATED, 78 CEED_VECTOR_ACTIVE); 79 80 CeedOperatorSetField(op_mass, "rho", Erestrictui, CEED_BASIS_COLLOCATED, 81 qdata); 82 CeedOperatorSetField(op_mass, "u", Erestrictu, bu, CEED_VECTOR_ACTIVE); 83 CeedOperatorSetField(op_mass, "v", Erestrictu, bu, CEED_VECTOR_ACTIVE); 84 85 CeedOperatorApply(op_setup, X, qdata, CEED_REQUEST_IMMEDIATE); 86 87 CeedVectorCreate(ceed, 2*Nu, &U); 88 CeedVectorGetArray(U, CEED_MEM_HOST, &hu); 89 for (int i = 0; i < Nu; i++) { 90 hu[2*i] = 1.0; 91 hu[2*i+1] = 2.0; 92 } 93 CeedVectorRestoreArray(U, &hu); 94 CeedVectorCreate(ceed, 2*Nu, &V); 95 CeedOperatorApply(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 96 97 // Check output 98 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 99 sum1 = 0.; sum2 = 0.; 100 for (CeedInt i=0; i<Nu; i++) { 101 sum1 += hv[2*i]; 102 sum2 += hv[2*i+1]; 103 } 104 if (fabs(sum1-1.)>1e-10) printf("Computed Area: %f != True Area: 1.0\n", sum1); 105 if (fabs(sum2-2.)>1e-10) printf("Computed Area: %f != True Area: 2.0\n", sum2); 106 CeedVectorRestoreArrayRead(V, &hv); 107 108 CeedQFunctionDestroy(&qf_setup); 109 CeedQFunctionDestroy(&qf_mass); 110 CeedOperatorDestroy(&op_setup); 111 CeedOperatorDestroy(&op_mass); 112 CeedElemRestrictionDestroy(&Erestrictu); 113 CeedElemRestrictionDestroy(&Erestrictx); 114 CeedElemRestrictionDestroy(&Erestrictui); 115 CeedBasisDestroy(&bu); 116 CeedBasisDestroy(&bx); 117 CeedVectorDestroy(&X); 118 CeedVectorDestroy(&U); 119 CeedVectorDestroy(&V); 120 CeedVectorDestroy(&qdata); 121 CeedDestroy(&ceed); 122 return 0; 123 } 124