1 /// @file 2 /// Test VLA macro for operator 3 /// \test VLA marco for operator 4 #include <ceed.h> 5 #include <stdlib.h> 6 #include <math.h> 7 8 #include "t507-operator.h" 9 10 int main(int argc, char **argv) { 11 Ceed ceed; 12 CeedInterlaceMode imode = CEED_NONINTERLACED, 13 imodeu = CEED_INTERLACED; 14 CeedElemRestriction Erestrictx, Erestrictu, Erestrictui; 15 CeedBasis bx, bu; 16 CeedQFunction qf_setup, qf_mass; 17 CeedOperator op_setup, op_mass; 18 CeedVector qdata, X, U, V; 19 CeedScalar *hu; 20 const CeedScalar *hv; 21 CeedInt nelem = 15, P = 5, Q = 8; 22 CeedInt Nx = nelem+1, Nu = nelem*(P-1)+1; 23 CeedInt indx[nelem*2], indu[nelem*P]; 24 CeedScalar x[Nx]; 25 CeedScalar sum1, sum2; 26 27 CeedInit(argv[1], &ceed); 28 29 for (CeedInt i=0; i<Nx; i++) 30 x[i] = (CeedScalar) i / (Nx - 1); 31 for (CeedInt i=0; i<nelem; i++) { 32 indx[2*i+0] = i; 33 indx[2*i+1] = i+1; 34 } 35 // Restrictions 36 CeedElemRestrictionCreate(ceed, imode, nelem, 2, Nx, 1, CEED_MEM_HOST, 37 CEED_USE_POINTER, indx, &Erestrictx); 38 39 for (CeedInt i=0; i<nelem; i++) { 40 for (CeedInt j=0; j<P; j++) { 41 indu[P*i+j] = i*(P-1) + j; 42 } 43 } 44 CeedElemRestrictionCreate(ceed, imodeu, nelem, P, Nu, 2, CEED_MEM_HOST, 45 CEED_USE_POINTER, indu, &Erestrictu); 46 CeedInt stridesu[3] = {1, Q, Q}; 47 CeedElemRestrictionCreateStrided(ceed, nelem, Q, Q*nelem, 1, stridesu, 48 &Erestrictui); 49 50 // Bases 51 CeedBasisCreateTensorH1Lagrange(ceed, 1, 1, 2, Q, CEED_GAUSS, &bx); 52 CeedBasisCreateTensorH1Lagrange(ceed, 1, 2, P, Q, CEED_GAUSS, &bu); 53 54 // QFunctions 55 CeedQFunctionCreateInterior(ceed, 1, setup, setup_loc, &qf_setup); 56 CeedQFunctionAddInput(qf_setup, "_weight", 1, CEED_EVAL_WEIGHT); 57 CeedQFunctionAddInput(qf_setup, "dx", 1*1, CEED_EVAL_GRAD); 58 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 59 60 CeedQFunctionCreateInterior(ceed, 1, mass, mass_loc, &qf_mass); 61 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 62 CeedQFunctionAddInput(qf_mass, "u", 2, CEED_EVAL_INTERP); 63 CeedQFunctionAddOutput(qf_mass, "v", 2, CEED_EVAL_INTERP); 64 65 // Operators 66 CeedOperatorCreate(ceed, qf_setup, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 67 &op_setup); 68 69 CeedOperatorCreate(ceed, qf_mass, CEED_QFUNCTION_NONE, CEED_QFUNCTION_NONE, 70 &op_mass); 71 72 CeedVectorCreate(ceed, Nx, &X); 73 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 74 CeedVectorCreate(ceed, nelem*Q, &qdata); 75 76 CeedOperatorSetField(op_setup, "_weight", CEED_ELEMRESTRICTION_NONE, bx, 77 CEED_VECTOR_NONE); 78 CeedOperatorSetField(op_setup, "dx", Erestrictx, bx, CEED_VECTOR_ACTIVE); 79 CeedOperatorSetField(op_setup, "rho", Erestrictui, CEED_BASIS_COLLOCATED, 80 CEED_VECTOR_ACTIVE); 81 82 CeedOperatorSetField(op_mass, "rho", Erestrictui, CEED_BASIS_COLLOCATED, 83 qdata); 84 CeedOperatorSetField(op_mass, "u", Erestrictu, bu, CEED_VECTOR_ACTIVE); 85 CeedOperatorSetField(op_mass, "v", Erestrictu, bu, CEED_VECTOR_ACTIVE); 86 87 CeedOperatorApply(op_setup, X, qdata, CEED_REQUEST_IMMEDIATE); 88 89 CeedVectorCreate(ceed, 2*Nu, &U); 90 CeedVectorGetArray(U, CEED_MEM_HOST, &hu); 91 for (int i = 0; i < Nu; i++) { 92 hu[2*i] = 1.0; 93 hu[2*i+1] = 2.0; 94 } 95 CeedVectorRestoreArray(U, &hu); 96 CeedVectorCreate(ceed, 2*Nu, &V); 97 CeedOperatorApply(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 98 99 // Check output 100 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 101 sum1 = 0.; sum2 = 0.; 102 for (CeedInt i=0; i<Nu; i++) { 103 sum1 += hv[2*i]; 104 sum2 += hv[2*i+1]; 105 } 106 if (fabs(sum1-1.)>1e-10) printf("Computed Area: %f != True Area: 1.0\n", sum1); 107 if (fabs(sum2-2.)>1e-10) printf("Computed Area: %f != True Area: 2.0\n", sum2); 108 CeedVectorRestoreArrayRead(V, &hv); 109 110 CeedQFunctionDestroy(&qf_setup); 111 CeedQFunctionDestroy(&qf_mass); 112 CeedOperatorDestroy(&op_setup); 113 CeedOperatorDestroy(&op_mass); 114 CeedElemRestrictionDestroy(&Erestrictu); 115 CeedElemRestrictionDestroy(&Erestrictx); 116 CeedElemRestrictionDestroy(&Erestrictui); 117 CeedBasisDestroy(&bu); 118 CeedBasisDestroy(&bx); 119 CeedVectorDestroy(&X); 120 CeedVectorDestroy(&U); 121 CeedVectorDestroy(&V); 122 CeedVectorDestroy(&qdata); 123 CeedDestroy(&ceed); 124 return 0; 125 } 126