1 /// @file 2 /// Test creation creation, action, and destruction for mass matrix operator 3 /// \test Test creation creation, action, and destruction for mass matrix operator 4 #include <ceed.h> 5 #include <stdlib.h> 6 #include <math.h> 7 #include "t310-basis.h" 8 9 static int setup(void *ctx, CeedInt Q, const CeedScalar *const *in, 10 CeedScalar *const *out) { 11 const CeedScalar *weight = in[0], *J = in[1]; 12 CeedScalar *rho = out[0]; 13 for (CeedInt i=0; i<Q; i++) { 14 rho[i] = weight[i] * (J[i+Q*0]*J[i+Q*3] - J[i+Q*1]*J[i+Q*2]); 15 } 16 return 0; 17 } 18 19 static int mass(void *ctx, CeedInt Q, const CeedScalar *const *in, 20 CeedScalar *const *out) { 21 const CeedScalar *rho = in[0], *u = in[1]; 22 CeedScalar *v = out[0]; 23 for (CeedInt i=0; i<Q; i++) { 24 v[i] = rho[i] * u[i]; 25 } 26 return 0; 27 } 28 29 int main(int argc, char **argv) { 30 Ceed ceed; 31 CeedElemRestriction Erestrictx, Erestrictu, Erestrictxi, Erestrictui; 32 CeedBasis bx, bu; 33 CeedQFunction qf_setup, qf_mass; 34 CeedOperator op_setup, op_mass; 35 CeedVector qdata, X, U, V; 36 const CeedScalar *hv; 37 CeedInt nelem = 12, dim = 2, P = 6, Q = 4; 38 CeedInt nx = 3, ny = 2; 39 CeedInt row, col, offset; 40 CeedInt Ndofs = (nx*2+1)*(ny*2+1), Nqpts = nelem*Q; 41 CeedInt indx[nelem*P]; 42 CeedScalar x[dim*Ndofs]; 43 CeedScalar qref[dim*Q], qweight[Q]; 44 CeedScalar interp[P*Q], grad[dim*P*Q]; 45 46 CeedInit(argv[1], &ceed); 47 48 for (CeedInt i=0; i<Ndofs; i++) { 49 x[i] = (1. / (nx*2)) * (CeedScalar) (i % (nx*2+1)); 50 x[i+Ndofs] = (1. / (ny*2)) * (CeedScalar) (i / (nx*2+1)); 51 } 52 for (CeedInt i=0; i<nelem/2; i++) { 53 col = i % nx; 54 row = i / nx; 55 offset = col*2 + row*(nx*2+1)*2; 56 57 indx[i*2*P + 0] = 2 + offset; 58 indx[i*2*P + 1] = 9 + offset; 59 indx[i*2*P + 2] = 16 + offset; 60 indx[i*2*P + 3] = 1 + offset; 61 indx[i*2*P + 4] = 8 + offset; 62 indx[i*2*P + 5] = 0 + offset; 63 64 indx[i*2*P + 6] = 14 + offset; 65 indx[i*2*P + 7] = 7 + offset; 66 indx[i*2*P + 8] = 0 + offset; 67 indx[i*2*P + 9] = 15 + offset; 68 indx[i*2*P + 10] = 8 + offset; 69 indx[i*2*P + 11] = 16 + offset; 70 } 71 72 // Restrictions 73 CeedElemRestrictionCreate(ceed, nelem, P, Ndofs, dim, CEED_MEM_HOST, 74 CEED_USE_POINTER, indx, &Erestrictx); 75 CeedElemRestrictionCreateIdentity(ceed, nelem, P, nelem*P, dim, &Erestrictxi); 76 77 CeedElemRestrictionCreate(ceed, nelem, P, Ndofs, 1, CEED_MEM_HOST, 78 CEED_USE_POINTER, indx, &Erestrictu); 79 CeedElemRestrictionCreateIdentity(ceed, nelem, Q, Nqpts, 1, &Erestrictui); 80 81 82 // Bases 83 buildmats(qref, qweight, interp, grad); 84 CeedBasisCreateH1(ceed, CEED_TRIANGLE, dim, P, Q, interp, grad, qref, 85 qweight, &bx); 86 87 buildmats(qref, qweight, interp, grad); 88 CeedBasisCreateH1(ceed, CEED_TRIANGLE, 1, P, Q, interp, grad, qref, 89 qweight, &bu); 90 91 // QFunctions 92 CeedQFunctionCreateInterior(ceed, 1, setup, __FILE__ ":setup", &qf_setup); 93 CeedQFunctionAddInput(qf_setup, "_weight", 1, CEED_EVAL_WEIGHT); 94 CeedQFunctionAddInput(qf_setup, "x", dim, CEED_EVAL_GRAD); 95 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 96 97 CeedQFunctionCreateInterior(ceed, 1, mass, __FILE__ ":mass", &qf_mass); 98 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 99 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 100 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 101 102 // Operators 103 CeedOperatorCreate(ceed, qf_setup, NULL, NULL, &op_setup); 104 105 CeedOperatorCreate(ceed, qf_mass, NULL, NULL, &op_mass); 106 107 CeedVectorCreate(ceed, dim*Ndofs, &X); 108 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 109 CeedVectorCreate(ceed, Nqpts, &qdata); 110 111 CeedOperatorSetField(op_setup, "_weight", Erestrictxi, CEED_NOTRANSPOSE, 112 bx, CEED_VECTOR_NONE); 113 CeedOperatorSetField(op_setup, "x", Erestrictx, CEED_NOTRANSPOSE, 114 bx, CEED_VECTOR_ACTIVE); 115 CeedOperatorSetField(op_setup, "rho", Erestrictui, CEED_NOTRANSPOSE, 116 CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 117 118 CeedOperatorSetField(op_mass, "rho", Erestrictui, CEED_NOTRANSPOSE, 119 CEED_BASIS_COLLOCATED, qdata); 120 CeedOperatorSetField(op_mass, "u", Erestrictu, CEED_NOTRANSPOSE, 121 bu, CEED_VECTOR_ACTIVE); 122 CeedOperatorSetField(op_mass, "v", Erestrictu, CEED_NOTRANSPOSE, 123 bu, CEED_VECTOR_ACTIVE); 124 125 CeedOperatorApply(op_setup, X, qdata, CEED_REQUEST_IMMEDIATE); 126 127 CeedVectorCreate(ceed, Ndofs, &U); 128 CeedVectorSetValue(U, 0.0); 129 CeedVectorCreate(ceed, Ndofs, &V); 130 131 CeedOperatorApply(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 132 133 // Check output 134 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 135 for (CeedInt i=0; i<Ndofs; i++) 136 if (fabs(hv[i]) > 1e-14) printf("[%d] v %g != 0.0\n",i, hv[i]); 137 CeedVectorRestoreArrayRead(V, &hv); 138 139 CeedQFunctionDestroy(&qf_setup); 140 CeedQFunctionDestroy(&qf_mass); 141 CeedOperatorDestroy(&op_setup); 142 CeedOperatorDestroy(&op_mass); 143 CeedElemRestrictionDestroy(&Erestrictu); 144 CeedElemRestrictionDestroy(&Erestrictx); 145 CeedElemRestrictionDestroy(&Erestrictui); 146 CeedElemRestrictionDestroy(&Erestrictxi); 147 CeedBasisDestroy(&bu); 148 CeedBasisDestroy(&bx); 149 CeedVectorDestroy(&X); 150 CeedVectorDestroy(&U); 151 CeedVectorDestroy(&V); 152 CeedVectorDestroy(&qdata); 153 CeedDestroy(&ceed); 154 return 0; 155 } 156