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 "t310-basis.h" 7 8 static int setup(void *ctx, CeedInt Q, const CeedScalar *const *in, 9 CeedScalar *const *out); 10 static int mass(void *ctx, CeedInt Q, const CeedScalar *const *in, 11 CeedScalar *const *out); 12 13 static int setup(void *ctx, CeedInt Q, const CeedScalar *const *in, 14 CeedScalar *const *out) { 15 const CeedScalar *weight = in[0], *J = in[1]; 16 CeedScalar *rho = out[0]; 17 for (CeedInt i=0; i<Q; i++) { 18 rho[i] = weight[i] * (J[i+Q*0]*J[i+Q*3] - J[i+Q*1]*J[i+Q*2]); 19 } 20 return 0; 21 } 22 23 static int mass(void *ctx, CeedInt Q, const CeedScalar *const *in, 24 CeedScalar *const *out) { 25 const CeedScalar *rho = in[0], *u = in[1]; 26 CeedScalar *v = out[0]; 27 for (CeedInt i=0; i<Q; i++) { 28 v[i] = rho[i] * u[i]; 29 } 30 return 0; 31 } 32 33 int main(int argc, char **argv) { 34 Ceed ceed; 35 CeedElemRestriction Erestrictx, Erestrictu, Erestrictxi, Erestrictui; 36 CeedBasis bx, bu; 37 CeedQFunction qf_setup, qf_mass; 38 CeedOperator op_setup, op_mass; 39 CeedVector qdata, X, U, V; 40 const CeedScalar *hv; 41 CeedInt nelem = 12, dim = 2, P = 6, Q = 4; 42 CeedInt nx = 3, ny = 2; 43 CeedInt row, col, offset; 44 CeedInt Ndofs = (nx*2+1)*(ny*2+1), Nqpts = nelem*Q; 45 CeedInt indx[nelem*P]; 46 CeedScalar x[dim*Ndofs]; 47 CeedScalar qref[dim*Q], qweight[Q]; 48 CeedScalar interp[P*Q], grad[dim*P*Q]; 49 50 CeedInit(argv[1], &ceed); 51 52 for (CeedInt i=0; i<Ndofs; i++) { 53 x[i] = (1. / (nx*2)) * (CeedScalar) (i % (nx*2+1)); 54 x[i+Ndofs] = (1. / (ny*2)) * (CeedScalar) (i / (nx*2+1)); 55 } 56 for (CeedInt i=0; i<nelem/2; i++) { 57 col = i % nx; 58 row = i / nx; 59 offset = col*2 + row*(nx*2+1)*2; 60 61 indx[i*2*P + 0] = 2 + offset; 62 indx[i*2*P + 1] = 9 + offset; 63 indx[i*2*P + 2] = 16 + offset; 64 indx[i*2*P + 3] = 1 + offset; 65 indx[i*2*P + 4] = 8 + offset; 66 indx[i*2*P + 5] = 0 + offset; 67 68 indx[i*2*P + 6] = 14 + offset; 69 indx[i*2*P + 7] = 7 + offset; 70 indx[i*2*P + 8] = 0 + offset; 71 indx[i*2*P + 9] = 15 + offset; 72 indx[i*2*P + 10] = 8 + offset; 73 indx[i*2*P + 11] = 16 + offset; 74 } 75 76 // Restrictions 77 CeedElemRestrictionCreate(ceed, nelem, P, Ndofs, dim, CEED_MEM_HOST, 78 CEED_USE_POINTER, indx, &Erestrictx); 79 CeedElemRestrictionCreateIdentity(ceed, nelem, P, nelem*P, dim, &Erestrictxi); 80 81 CeedElemRestrictionCreate(ceed, nelem, P, Ndofs, 1, CEED_MEM_HOST, 82 CEED_USE_POINTER, indx, &Erestrictu); 83 CeedElemRestrictionCreateIdentity(ceed, nelem, Q, Nqpts, 1, &Erestrictui); 84 85 86 // Bases 87 buildmats(qref, qweight, interp, grad); 88 CeedBasisCreateH1(ceed, CEED_TRIANGLE, dim, P, Q, interp, grad, qref, 89 qweight, &bx); 90 91 buildmats(qref, qweight, interp, grad); 92 CeedBasisCreateH1(ceed, CEED_TRIANGLE, 1, P, Q, interp, grad, qref, 93 qweight, &bu); 94 95 // QFunctions 96 CeedQFunctionCreateInterior(ceed, 1, setup, __FILE__ ":setup", &qf_setup); 97 CeedQFunctionAddInput(qf_setup, "_weight", 1, CEED_EVAL_WEIGHT); 98 CeedQFunctionAddInput(qf_setup, "x", dim, CEED_EVAL_GRAD); 99 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 100 101 CeedQFunctionCreateInterior(ceed, 1, mass, __FILE__ ":mass", &qf_mass); 102 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 103 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 104 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 105 106 // Operators 107 CeedOperatorCreate(ceed, qf_setup, NULL, NULL, &op_setup); 108 109 CeedOperatorCreate(ceed, qf_mass, NULL, NULL, &op_mass); 110 111 CeedVectorCreate(ceed, dim*Ndofs, &X); 112 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 113 CeedVectorCreate(ceed, Nqpts, &qdata); 114 115 CeedOperatorSetField(op_setup, "_weight", Erestrictxi, bx, 116 CEED_VECTOR_NONE); 117 CeedOperatorSetField(op_setup, "x", Erestrictx, bx, CEED_VECTOR_ACTIVE); 118 CeedOperatorSetField(op_setup, "rho", Erestrictui, 119 CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 120 121 CeedOperatorSetField(op_mass, "rho", Erestrictui, 122 CEED_BASIS_COLLOCATED, qdata); 123 CeedOperatorSetField(op_mass, "u", Erestrictu, bu, CEED_VECTOR_ACTIVE); 124 CeedOperatorSetField(op_mass, "v", Erestrictu, bu, CEED_VECTOR_ACTIVE); 125 126 CeedOperatorApply(op_setup, X, qdata, CEED_REQUEST_IMMEDIATE); 127 128 CeedVectorCreate(ceed, Ndofs, &U); 129 CeedVectorSetValue(U, 0.0); 130 CeedVectorCreate(ceed, Ndofs, &V); 131 132 CeedOperatorApply(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 133 134 // Check output 135 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 136 for (CeedInt i=0; i<Ndofs; i++) 137 if (hv[i] != 0.0) printf("[%d] v %g != 0.0\n",i, hv[i]); 138 CeedVectorRestoreArrayRead(V, &hv); 139 140 CeedQFunctionDestroy(&qf_setup); 141 CeedQFunctionDestroy(&qf_mass); 142 CeedOperatorDestroy(&op_setup); 143 CeedOperatorDestroy(&op_mass); 144 CeedElemRestrictionDestroy(&Erestrictu); 145 CeedElemRestrictionDestroy(&Erestrictx); 146 CeedElemRestrictionDestroy(&Erestrictui); 147 CeedElemRestrictionDestroy(&Erestrictxi); 148 CeedBasisDestroy(&bu); 149 CeedBasisDestroy(&bx); 150 CeedVectorDestroy(&X); 151 CeedVectorDestroy(&U); 152 CeedVectorDestroy(&V); 153 CeedVectorDestroy(&qdata); 154 CeedDestroy(&ceed); 155 return 0; 156 } 157