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 static int mass(void *ctx, CeedInt Q, const CeedScalar *const *in, 12 CeedScalar *const *out); 13 14 static int setup(void *ctx, CeedInt Q, const CeedScalar *const *in, 15 CeedScalar *const *out) { 16 const CeedScalar *weight = in[0], *J = in[1]; 17 CeedScalar *rho = out[0]; 18 for (CeedInt i=0; i<Q; i++) { 19 rho[i] = weight[i] * (J[i+Q*0]*J[i+Q*3] - J[i+Q*1]*J[i+Q*2]); 20 } 21 return 0; 22 } 23 24 static int mass(void *ctx, CeedInt Q, const CeedScalar *const *in, 25 CeedScalar *const *out) { 26 const CeedScalar *rho = in[0], *u = in[1]; 27 CeedScalar *v = out[0]; 28 for (CeedInt i=0; i<Q; i++) { 29 v[i] = rho[i] * u[i]; 30 } 31 return 0; 32 } 33 34 int main(int argc, char **argv) { 35 Ceed ceed; 36 CeedElemRestriction Erestrictx, Erestrictu, Erestrictxi, Erestrictui; 37 CeedBasis bx, bu; 38 CeedQFunction qf_setup, qf_mass; 39 CeedOperator op_setup, op_mass; 40 CeedVector qdata, X, U, V; 41 const CeedScalar *hv; 42 CeedInt nelem = 12, dim = 2, P = 6, Q = 4; 43 CeedInt nx = 3, ny = 2; 44 CeedInt row, col, offset; 45 CeedInt Ndofs = (nx*2+1)*(ny*2+1), Nqpts = nelem*Q; 46 CeedInt indx[nelem*P]; 47 CeedScalar x[dim*Ndofs]; 48 CeedScalar qref[dim*Q], qweight[Q]; 49 CeedScalar interp[P*Q], grad[dim*P*Q]; 50 51 CeedInit(argv[1], &ceed); 52 53 for (CeedInt i=0; i<Ndofs; i++) { 54 x[i] = (1. / (nx*2)) * (CeedScalar) (i % (nx*2+1)); 55 x[i+Ndofs] = (1. / (ny*2)) * (CeedScalar) (i / (nx*2+1)); 56 } 57 for (CeedInt i=0; i<nelem/2; i++) { 58 col = i % nx; 59 row = i / nx; 60 offset = col*2 + row*(nx*2+1)*2; 61 62 indx[i*2*P + 0] = 2 + offset; 63 indx[i*2*P + 1] = 9 + offset; 64 indx[i*2*P + 2] = 16 + offset; 65 indx[i*2*P + 3] = 1 + offset; 66 indx[i*2*P + 4] = 8 + offset; 67 indx[i*2*P + 5] = 0 + offset; 68 69 indx[i*2*P + 6] = 14 + offset; 70 indx[i*2*P + 7] = 7 + offset; 71 indx[i*2*P + 8] = 0 + offset; 72 indx[i*2*P + 9] = 15 + offset; 73 indx[i*2*P + 10] = 8 + offset; 74 indx[i*2*P + 11] = 16 + offset; 75 } 76 77 // Restrictions 78 CeedElemRestrictionCreate(ceed, nelem, P, Ndofs, dim, CEED_MEM_HOST, 79 CEED_USE_POINTER, indx, &Erestrictx); 80 CeedElemRestrictionCreateIdentity(ceed, nelem, P, nelem*P, dim, &Erestrictxi); 81 82 CeedElemRestrictionCreate(ceed, nelem, P, Ndofs, 1, CEED_MEM_HOST, 83 CEED_USE_POINTER, indx, &Erestrictu); 84 CeedElemRestrictionCreateIdentity(ceed, nelem, Q, Nqpts, 1, &Erestrictui); 85 86 87 // Bases 88 buildmats(qref, qweight, interp, grad); 89 CeedBasisCreateH1(ceed, CEED_TRIANGLE, dim, P, Q, interp, grad, qref, 90 qweight, &bx); 91 92 buildmats(qref, qweight, interp, grad); 93 CeedBasisCreateH1(ceed, CEED_TRIANGLE, 1, P, Q, interp, grad, qref, 94 qweight, &bu); 95 96 // QFunctions 97 CeedQFunctionCreateInterior(ceed, 1, setup, __FILE__ ":setup", &qf_setup); 98 CeedQFunctionAddInput(qf_setup, "_weight", 1, CEED_EVAL_WEIGHT); 99 CeedQFunctionAddInput(qf_setup, "x", dim, CEED_EVAL_GRAD); 100 CeedQFunctionAddOutput(qf_setup, "rho", 1, CEED_EVAL_NONE); 101 102 CeedQFunctionCreateInterior(ceed, 1, mass, __FILE__ ":mass", &qf_mass); 103 CeedQFunctionAddInput(qf_mass, "rho", 1, CEED_EVAL_NONE); 104 CeedQFunctionAddInput(qf_mass, "u", 1, CEED_EVAL_INTERP); 105 CeedQFunctionAddOutput(qf_mass, "v", 1, CEED_EVAL_INTERP); 106 107 // Operators 108 CeedOperatorCreate(ceed, qf_setup, NULL, NULL, &op_setup); 109 110 CeedOperatorCreate(ceed, qf_mass, NULL, NULL, &op_mass); 111 112 CeedVectorCreate(ceed, dim*Ndofs, &X); 113 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 114 CeedVectorCreate(ceed, Nqpts, &qdata); 115 116 CeedOperatorSetField(op_setup, "_weight", Erestrictxi, CEED_NOTRANSPOSE, 117 bx, CEED_VECTOR_NONE); 118 CeedOperatorSetField(op_setup, "x", Erestrictx, CEED_NOTRANSPOSE, 119 bx, CEED_VECTOR_ACTIVE); 120 CeedOperatorSetField(op_setup, "rho", Erestrictui, CEED_NOTRANSPOSE, 121 CEED_BASIS_COLLOCATED, CEED_VECTOR_ACTIVE); 122 123 CeedOperatorSetField(op_mass, "rho", Erestrictui, CEED_NOTRANSPOSE, 124 CEED_BASIS_COLLOCATED, qdata); 125 CeedOperatorSetField(op_mass, "u", Erestrictu, CEED_NOTRANSPOSE, 126 bu, CEED_VECTOR_ACTIVE); 127 CeedOperatorSetField(op_mass, "v", Erestrictu, CEED_NOTRANSPOSE, 128 bu, CEED_VECTOR_ACTIVE); 129 130 CeedOperatorApply(op_setup, X, qdata, CEED_REQUEST_IMMEDIATE); 131 132 CeedVectorCreate(ceed, Ndofs, &U); 133 CeedVectorSetValue(U, 0.0); 134 CeedVectorCreate(ceed, Ndofs, &V); 135 136 CeedOperatorApply(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 137 138 // Check output 139 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 140 for (CeedInt i=0; i<Ndofs; i++) 141 if (fabs(hv[i]) > 1e-14) printf("[%d] v %g != 0.0\n",i, hv[i]); 142 CeedVectorRestoreArrayRead(V, &hv); 143 144 CeedQFunctionDestroy(&qf_setup); 145 CeedQFunctionDestroy(&qf_mass); 146 CeedOperatorDestroy(&op_setup); 147 CeedOperatorDestroy(&op_mass); 148 CeedElemRestrictionDestroy(&Erestrictu); 149 CeedElemRestrictionDestroy(&Erestrictx); 150 CeedElemRestrictionDestroy(&Erestrictui); 151 CeedElemRestrictionDestroy(&Erestrictxi); 152 CeedBasisDestroy(&bu); 153 CeedBasisDestroy(&bx); 154 CeedVectorDestroy(&X); 155 CeedVectorDestroy(&U); 156 CeedVectorDestroy(&V); 157 CeedVectorDestroy(&qdata); 158 CeedDestroy(&ceed); 159 return 0; 160 } 161