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 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 const CeedScalar *hv; 18 CeedInt nelem = 12, dim = 2, P = 6, Q = 4; 19 CeedInt nx = 3, ny = 2; 20 CeedInt row, col, offset; 21 CeedInt ndofs = (nx*2+1)*(ny*2+1), nqpts = nelem*Q; 22 CeedInt indx[nelem*P]; 23 CeedScalar x[dim*ndofs]; 24 CeedScalar qref[dim*Q], qweight[Q]; 25 CeedScalar interp[P*Q], grad[dim*P*Q]; 26 CeedScalar sum; 27 28 CeedInit(argv[1], &ceed); 29 30 for (CeedInt i=0; i<ndofs; i++) { 31 x[i] = (1. / (nx*2)) * (CeedScalar) (i % (nx*2+1)); 32 x[i+ndofs] = (1. / (ny*2)) * (CeedScalar) (i / (nx*2+1)); 33 } 34 for (CeedInt i=0; i<nelem/2; i++) { 35 col = i % nx; 36 row = i / nx; 37 offset = col*2 + row*(nx*2+1)*2; 38 39 indx[i*2*P + 0] = 2 + offset; 40 indx[i*2*P + 1] = 9 + offset; 41 indx[i*2*P + 2] = 16 + offset; 42 indx[i*2*P + 3] = 1 + offset; 43 indx[i*2*P + 4] = 8 + offset; 44 indx[i*2*P + 5] = 0 + offset; 45 46 indx[i*2*P + 6] = 14 + offset; 47 indx[i*2*P + 7] = 7 + offset; 48 indx[i*2*P + 8] = 0 + offset; 49 indx[i*2*P + 9] = 15 + offset; 50 indx[i*2*P + 10] = 8 + offset; 51 indx[i*2*P + 11] = 16 + offset; 52 } 53 54 // Restrictions 55 CeedElemRestrictionCreate(ceed, nelem, P, dim, ndofs, dim*ndofs, 56 CEED_MEM_HOST, CEED_USE_POINTER, indx, &Erestrictx); 57 58 CeedElemRestrictionCreate(ceed, nelem, P, 1, 1, ndofs, CEED_MEM_HOST, 59 CEED_USE_POINTER, indx, &Erestrictu); 60 CeedInt stridesu[3] = {1, Q, Q}; 61 CeedElemRestrictionCreateStrided(ceed, nelem, Q, 1, nqpts, stridesu, 62 &Erestrictui); 63 64 65 // Bases 66 buildmats(qref, qweight, interp, grad); 67 CeedBasisCreateH1(ceed, CEED_TRIANGLE, dim, P, Q, interp, grad, qref, 68 qweight, &bx); 69 70 buildmats(qref, qweight, interp, grad); 71 CeedBasisCreateH1(ceed, CEED_TRIANGLE, 1, P, Q, interp, grad, qref, 72 qweight, &bu); 73 74 // QFunctions 75 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 76 CeedQFunctionAddInput(qf_setup, "_weight", 1, CEED_EVAL_WEIGHT); 77 CeedQFunctionAddInput(qf_setup, "x", dim*dim, CEED_EVAL_GRAD); 78 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 79 80 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 81 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 82 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 83 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 84 85 // Operators 86 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 87 &op_setup); 88 89 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 90 &op_mass); 91 92 CeedVectorCreate(ceed, dim*ndofs, &X); 93 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 94 CeedVectorCreate(ceed, nqpts, &qdata); 95 96 CeedOperatorSetField(op_setup, "_weight", CEED_ELEMRESTRICTION_NONE, bx, 97 CEED_VECTOR_NONE); 98 CeedOperatorSetField(op_setup, "x", Erestrictx, bx, CEED_VECTOR_ACTIVE); 99 CeedOperatorSetField(op_setup, "rho", Erestrictui, CEED_BASIS_COLLOCATED, 100 CEED_VECTOR_ACTIVE); 101 102 CeedOperatorSetField(op_mass, "rho", Erestrictui, CEED_BASIS_COLLOCATED, 103 qdata); 104 CeedOperatorSetField(op_mass, "u", Erestrictu, bu, CEED_VECTOR_ACTIVE); 105 CeedOperatorSetField(op_mass, "v", Erestrictu, bu, CEED_VECTOR_ACTIVE); 106 107 CeedOperatorApply(op_setup, X, qdata, CEED_REQUEST_IMMEDIATE); 108 109 CeedVectorCreate(ceed, ndofs, &U); 110 CeedVectorSetValue(U, 1.0); 111 CeedVectorCreate(ceed, ndofs, &V); 112 113 CeedOperatorApply(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 114 115 // Check output 116 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 117 sum = 0.; 118 for (CeedInt i=0; i<ndofs; i++) 119 sum += hv[i]; 120 if (fabs(sum-1.)>1e-10) printf("Computed Area: %f != True Area: 1.0\n", sum); 121 CeedVectorRestoreArrayRead(V, &hv); 122 123 CeedQFunctionDestroy(&qf_setup); 124 CeedQFunctionDestroy(&qf_mass); 125 CeedOperatorDestroy(&op_setup); 126 CeedOperatorDestroy(&op_mass); 127 CeedElemRestrictionDestroy(&Erestrictu); 128 CeedElemRestrictionDestroy(&Erestrictx); 129 CeedElemRestrictionDestroy(&Erestrictui); 130 CeedBasisDestroy(&bu); 131 CeedBasisDestroy(&bx); 132 CeedVectorDestroy(&X); 133 CeedVectorDestroy(&U); 134 CeedVectorDestroy(&V); 135 CeedVectorDestroy(&qdata); 136 CeedDestroy(&ceed); 137 return 0; 138 } 139