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