1 /// @file 2 /// Test creation, action, and destruction for mass matrix operator 3 /// \test Test creation, action, and destruction for mass matrix operator 4 #include <ceed.h> 5 #include <stdlib.h> 6 #include <math.h> 7 #include "t320-basis.h" 8 #include "t510-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 = 12, dim = 2, P = 6, Q = 4; 20 CeedInt nx = 3, ny = 2; 21 CeedInt row, col, offset; 22 CeedInt ndofs = (nx*2+1)*(ny*2+1), nqpts = nelem*Q; 23 CeedInt indx[nelem*P]; 24 CeedScalar x[dim*ndofs]; 25 CeedScalar qref[dim*Q], qweight[Q]; 26 CeedScalar interp[P*Q], grad[dim*P*Q]; 27 CeedScalar sum; 28 29 CeedInit(argv[1], &ceed); 30 31 for (CeedInt i=0; i<ndofs; i++) { 32 x[i] = (1. / (nx*2)) * (CeedScalar) (i % (nx*2+1)); 33 x[i+ndofs] = (1. / (ny*2)) * (CeedScalar) (i / (nx*2+1)); 34 } 35 for (CeedInt i=0; i<nelem/2; i++) { 36 col = i % nx; 37 row = i / nx; 38 offset = col*2 + row*(nx*2+1)*2; 39 40 indx[i*2*P + 0] = 2 + offset; 41 indx[i*2*P + 1] = 9 + offset; 42 indx[i*2*P + 2] = 16 + offset; 43 indx[i*2*P + 3] = 1 + offset; 44 indx[i*2*P + 4] = 8 + offset; 45 indx[i*2*P + 5] = 0 + offset; 46 47 indx[i*2*P + 6] = 14 + offset; 48 indx[i*2*P + 7] = 7 + offset; 49 indx[i*2*P + 8] = 0 + offset; 50 indx[i*2*P + 9] = 15 + offset; 51 indx[i*2*P + 10] = 8 + offset; 52 indx[i*2*P + 11] = 16 + offset; 53 } 54 55 // Restrictions 56 CeedElemRestrictionCreate(ceed, imode, nelem, P, ndofs, dim, CEED_MEM_HOST, 57 CEED_USE_POINTER, indx, &Erestrictx); 58 59 CeedElemRestrictionCreate(ceed, imode, nelem, P, ndofs, 1, CEED_MEM_HOST, 60 CEED_USE_POINTER, indx, &Erestrictu); 61 CeedInt stridesu[3] = {1, Q, Q}; 62 CeedElemRestrictionCreateStrided(ceed, nelem, Q, nqpts, 1, stridesu, 63 &Erestrictui); 64 65 66 // Bases 67 buildmats(qref, qweight, interp, grad); 68 CeedBasisCreateH1(ceed, CEED_TRIANGLE, dim, P, Q, interp, grad, qref, 69 qweight, &bx); 70 71 buildmats(qref, qweight, interp, grad); 72 CeedBasisCreateH1(ceed, CEED_TRIANGLE, 1, P, Q, interp, grad, qref, 73 qweight, &bu); 74 75 // QFunctions 76 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 77 CeedQFunctionAddInput(qf_setup, "_weight", 1, CEED_EVAL_WEIGHT); 78 CeedQFunctionAddInput(qf_setup, "x", dim*dim, CEED_EVAL_GRAD); 79 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 80 81 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 82 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 83 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 84 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 85 86 // Operators 87 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 88 &op_setup); 89 90 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 91 &op_mass); 92 93 CeedVectorCreate(ceed, dim*ndofs, &X); 94 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 95 CeedVectorCreate(ceed, nqpts, &qdata); 96 97 CeedOperatorSetField(op_setup, "_weight", CEED_ELEMRESTRICTION_NONE, bx, 98 CEED_VECTOR_NONE); 99 CeedOperatorSetField(op_setup, "x", Erestrictx, bx, CEED_VECTOR_ACTIVE); 100 CeedOperatorSetField(op_setup, "rho", Erestrictui, CEED_BASIS_COLLOCATED, 101 CEED_VECTOR_ACTIVE); 102 103 CeedOperatorSetField(op_mass, "rho", Erestrictui, CEED_BASIS_COLLOCATED, 104 qdata); 105 CeedOperatorSetField(op_mass, "u", Erestrictu, bu, CEED_VECTOR_ACTIVE); 106 CeedOperatorSetField(op_mass, "v", Erestrictu, bu, CEED_VECTOR_ACTIVE); 107 108 CeedOperatorApply(op_setup, X, qdata, CEED_REQUEST_IMMEDIATE); 109 110 CeedVectorCreate(ceed, ndofs, &U); 111 CeedVectorSetValue(U, 1.0); 112 CeedVectorCreate(ceed, ndofs, &V); 113 114 CeedOperatorApply(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 115 116 // Check output 117 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 118 sum = 0.; 119 for (CeedInt i=0; i<ndofs; i++) 120 sum += hv[i]; 121 if (fabs(sum-1.)>1e-10) printf("Computed Area: %f != True Area: 1.0\n", sum); 122 CeedVectorRestoreArrayRead(V, &hv); 123 124 CeedQFunctionDestroy(&qf_setup); 125 CeedQFunctionDestroy(&qf_mass); 126 CeedOperatorDestroy(&op_setup); 127 CeedOperatorDestroy(&op_mass); 128 CeedElemRestrictionDestroy(&Erestrictu); 129 CeedElemRestrictionDestroy(&Erestrictx); 130 CeedElemRestrictionDestroy(&Erestrictui); 131 CeedBasisDestroy(&bu); 132 CeedBasisDestroy(&bx); 133 CeedVectorDestroy(&X); 134 CeedVectorDestroy(&U); 135 CeedVectorDestroy(&V); 136 CeedVectorDestroy(&qdata); 137 CeedDestroy(&ceed); 138 return 0; 139 } 140