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 /* The mesh comprises of two rows of 3 quadralaterals followed by one row 10 of 6 triangles: 11 _ _ _ 12 |_|_|_| 13 |_|_|_| 14 |/|/|/| 15 16 */ 17 18 static int setup(void *ctx, CeedInt Q, const CeedScalar *const *in, 19 CeedScalar *const *out) { 20 const CeedScalar *weight = in[0], *J = in[1]; 21 CeedScalar *rho = out[0]; 22 for (CeedInt i=0; i<Q; i++) { 23 rho[i] = weight[i] * (J[i+Q*0]*J[i+Q*3] - J[i+Q*1]*J[i+Q*2]); 24 } 25 return 0; 26 } 27 28 static int mass(void *ctx, CeedInt Q, const CeedScalar *const *in, 29 CeedScalar *const *out) { 30 const CeedScalar *rho = in[0], *u = in[1]; 31 CeedScalar *v = out[0]; 32 for (CeedInt i=0; i<Q; i++) { 33 v[i] = rho[i] * u[i]; 34 } 35 return 0; 36 } 37 38 int main(int argc, char **argv) { 39 Ceed ceed; 40 CeedElemRestriction ErestrictxTet, ErestrictuTet, 41 ErestrictxiTet, ErestrictuiTet, 42 ErestrictxHex, ErestrictuHex, 43 ErestrictxiHex, ErestrictuiHex; 44 CeedBasis bxTet, buTet, 45 bxHex, buHex; 46 CeedQFunction qf_setupTet, qf_massTet, 47 qf_setupHex, qf_massHex; 48 CeedOperator op_setupTet, op_massTet, 49 op_setupHex, op_massHex, 50 op_setup, op_mass; 51 CeedVector qdataTet, qdataHex, X, U, V; 52 const CeedScalar *hv; 53 CeedInt nelemTet = 6, PTet = 6, QTet = 4, 54 nelemHex = 6, PHex = 3, QHex = 4, dim = 2; 55 CeedInt nx = 3, ny = 3, 56 nxTet = 3, nyTet = 1, nxHex = 3; 57 CeedInt row, col, offset; 58 CeedInt ndofs = (nx*2+1)*(ny*2+1), 59 nqptsTet = nelemTet*QTet, 60 nqptsHex = nelemHex*QHex*QHex; 61 CeedInt indxTet[nelemTet*PTet], 62 indxHex[nelemHex*PHex*PHex]; 63 CeedScalar x[dim*ndofs]; 64 CeedScalar qref[dim*QTet], qweight[QTet]; 65 CeedScalar interp[PTet*QTet], grad[dim*PTet*QTet]; 66 CeedScalar sum; 67 68 CeedInit(argv[1], &ceed); 69 70 // DoF Coordinates 71 for (CeedInt i=0; i<ny*2+1; i++) 72 for (CeedInt j=0; j<nx*2+1; j++) { 73 x[i+j*(ny*2+1)+0*ndofs] = (CeedScalar) i / (2*ny); 74 x[i+j*(ny*2+1)+1*ndofs] = (CeedScalar) j / (2*nx); 75 } 76 CeedVectorCreate(ceed, dim*ndofs, &X); 77 CeedVectorSetArray(X, CEED_MEM_HOST, CEED_USE_POINTER, x); 78 79 // Qdata Vectors 80 CeedVectorCreate(ceed, nqptsTet, &qdataTet); 81 CeedVectorCreate(ceed, nqptsHex, &qdataHex); 82 83 // Tet Elements 84 for (CeedInt i=0; i<nelemTet/2; i++) { 85 col = i % nxTet; 86 row = i / nxTet; 87 offset = col*2 + row*(nxTet*2+1)*2; 88 89 indxTet[i*2*PTet + 0] = 2 + offset; 90 indxTet[i*2*PTet + 1] = 9 + offset; 91 indxTet[i*2*PTet + 2] = 16 + offset; 92 indxTet[i*2*PTet + 3] = 1 + offset; 93 indxTet[i*2*PTet + 4] = 8 + offset; 94 indxTet[i*2*PTet + 5] = 0 + offset; 95 96 indxTet[i*2*PTet + 6] = 14 + offset; 97 indxTet[i*2*PTet + 7] = 7 + offset; 98 indxTet[i*2*PTet + 8] = 0 + offset; 99 indxTet[i*2*PTet + 9] = 15 + offset; 100 indxTet[i*2*PTet + 10] = 8 + offset; 101 indxTet[i*2*PTet + 11] = 16 + offset; 102 } 103 104 // -- Restrictions 105 CeedElemRestrictionCreate(ceed, nelemTet, PTet, ndofs, dim, CEED_MEM_HOST, 106 CEED_USE_POINTER, indxTet, &ErestrictxTet); 107 CeedElemRestrictionCreateIdentity(ceed, nelemTet, PTet, nelemTet*PTet, dim, 108 &ErestrictxiTet); 109 110 CeedElemRestrictionCreate(ceed, nelemTet, PTet, ndofs, 1, CEED_MEM_HOST, 111 CEED_USE_POINTER, indxTet, &ErestrictuTet); 112 CeedElemRestrictionCreateIdentity(ceed, nelemTet, QTet, nqptsTet, 1, 113 &ErestrictuiTet); 114 115 // -- Bases 116 buildmats(qref, qweight, interp, grad); 117 CeedBasisCreateH1(ceed, CEED_TRIANGLE, dim, PTet, QTet, interp, grad, qref, 118 qweight, &bxTet); 119 120 buildmats(qref, qweight, interp, grad); 121 CeedBasisCreateH1(ceed, CEED_TRIANGLE, 1, PTet, QTet, interp, grad, qref, 122 qweight, &buTet); 123 124 // -- QFunctions 125 CeedQFunctionCreateInterior(ceed, 1, setup, __FILE__ ":setup", &qf_setupTet); 126 CeedQFunctionAddInput(qf_setupTet, "_weight", 1, CEED_EVAL_WEIGHT); 127 CeedQFunctionAddInput(qf_setupTet, "dx", dim, CEED_EVAL_GRAD); 128 CeedQFunctionAddOutput(qf_setupTet, "rho", 1, CEED_EVAL_NONE); 129 130 CeedQFunctionCreateInterior(ceed, 1, mass, __FILE__ ":mass", &qf_massTet); 131 CeedQFunctionAddInput(qf_massTet, "rho", 1, CEED_EVAL_NONE); 132 CeedQFunctionAddInput(qf_massTet, "u", 1, CEED_EVAL_INTERP); 133 CeedQFunctionAddOutput(qf_massTet, "v", 1, CEED_EVAL_INTERP); 134 135 // -- Operators 136 // ---- Setup Tet 137 CeedOperatorCreate(ceed, qf_setupTet, NULL, NULL, &op_setupTet); 138 CeedOperatorSetField(op_setupTet, "_weight", ErestrictxiTet, CEED_NOTRANSPOSE, 139 bxTet, CEED_VECTOR_NONE); 140 CeedOperatorSetField(op_setupTet, "dx", ErestrictxTet, CEED_NOTRANSPOSE, 141 bxTet, CEED_VECTOR_ACTIVE); 142 CeedOperatorSetField(op_setupTet, "rho", ErestrictuiTet, CEED_NOTRANSPOSE, 143 CEED_BASIS_COLLOCATED, qdataTet); 144 // ---- Mass Tet 145 CeedOperatorCreate(ceed, qf_massTet, NULL, NULL, &op_massTet); 146 CeedOperatorSetField(op_massTet, "rho", ErestrictuiTet, CEED_NOTRANSPOSE, 147 CEED_BASIS_COLLOCATED, qdataTet); 148 CeedOperatorSetField(op_massTet, "u", ErestrictuTet, CEED_NOTRANSPOSE, 149 buTet, CEED_VECTOR_ACTIVE); 150 CeedOperatorSetField(op_massTet, "v", ErestrictuTet, CEED_NOTRANSPOSE, 151 buTet, CEED_VECTOR_ACTIVE); 152 153 // Hex Elements 154 for (CeedInt i=0; i<nelemHex; i++) { 155 col = i % nxHex; 156 row = i / nxHex; 157 offset = (nxTet*2+1)*(nyTet*2)*(1+row) + col*2; 158 for (CeedInt j=0; j<PHex; j++) 159 for (CeedInt k=0; k<PHex; k++) 160 indxHex[PHex*(PHex*i+k)+j] = offset + k*(nxHex*2+1) + j; 161 } 162 163 // -- Restrictions 164 CeedElemRestrictionCreate(ceed, nelemHex, PHex*PHex, ndofs, dim, 165 CEED_MEM_HOST, CEED_USE_POINTER, indxHex, 166 &ErestrictxHex); 167 CeedElemRestrictionCreateIdentity(ceed, nelemHex, PHex*PHex, 168 nelemHex*PHex*PHex, dim, &ErestrictxiHex); 169 170 CeedElemRestrictionCreate(ceed, nelemHex, PHex*PHex, ndofs, 1, 171 CEED_MEM_HOST, CEED_USE_POINTER, indxHex, 172 &ErestrictuHex); 173 CeedElemRestrictionCreateIdentity(ceed, nelemHex, QHex*QHex, nqptsHex, 1, 174 &ErestrictuiHex); 175 176 // -- Bases 177 CeedBasisCreateTensorH1Lagrange(ceed, dim, dim, PHex, QHex, CEED_GAUSS, 178 &bxHex); 179 CeedBasisCreateTensorH1Lagrange(ceed, dim, 1, PHex, QHex, CEED_GAUSS, &buHex); 180 181 // -- QFunctions 182 CeedQFunctionCreateInterior(ceed, 1, setup, __FILE__ ":setup", &qf_setupHex); 183 CeedQFunctionAddInput(qf_setupHex, "_weight", 1, CEED_EVAL_WEIGHT); 184 CeedQFunctionAddInput(qf_setupHex, "dx", dim, CEED_EVAL_GRAD); 185 CeedQFunctionAddOutput(qf_setupHex, "rho", 1, CEED_EVAL_NONE); 186 187 CeedQFunctionCreateInterior(ceed, 1, mass, __FILE__ ":mass", &qf_massHex); 188 CeedQFunctionAddInput(qf_massHex, "rho", 1, CEED_EVAL_NONE); 189 CeedQFunctionAddInput(qf_massHex, "u", 1, CEED_EVAL_INTERP); 190 CeedQFunctionAddOutput(qf_massHex, "v", 1, CEED_EVAL_INTERP); 191 192 // -- Operators 193 CeedOperatorCreate(ceed, qf_setupHex, NULL, NULL, &op_setupHex); 194 CeedOperatorSetField(op_setupHex, "_weight", ErestrictxiHex, CEED_NOTRANSPOSE, 195 bxHex, CEED_VECTOR_NONE); 196 CeedOperatorSetField(op_setupHex, "dx", ErestrictxHex, CEED_NOTRANSPOSE, 197 bxHex, CEED_VECTOR_ACTIVE); 198 CeedOperatorSetField(op_setupHex, "rho", ErestrictuiHex, CEED_NOTRANSPOSE, 199 CEED_BASIS_COLLOCATED, qdataHex); 200 201 CeedOperatorCreate(ceed, qf_massHex, NULL, NULL, &op_massHex); 202 CeedOperatorSetField(op_massHex, "rho", ErestrictuiHex, CEED_NOTRANSPOSE, 203 CEED_BASIS_COLLOCATED, qdataHex); 204 CeedOperatorSetField(op_massHex, "u", ErestrictuHex, CEED_NOTRANSPOSE, 205 buHex, CEED_VECTOR_ACTIVE); 206 CeedOperatorSetField(op_massHex, "v", ErestrictuHex, CEED_NOTRANSPOSE, 207 buHex, CEED_VECTOR_ACTIVE); 208 209 // Composite Operators 210 CeedCompositeOperatorCreate(ceed, &op_setup); 211 CeedCompositeOperatorAddSub(op_setup, op_setupTet); 212 CeedCompositeOperatorAddSub(op_setup, op_setupHex); 213 214 CeedCompositeOperatorCreate(ceed, &op_mass); 215 CeedCompositeOperatorAddSub(op_mass, op_massTet); 216 CeedCompositeOperatorAddSub(op_mass, op_massHex); 217 218 // Apply Setup Operator 219 CeedOperatorApply(op_setup, X, NULL, CEED_REQUEST_IMMEDIATE); 220 221 // Apply Mass Operator 222 CeedVectorCreate(ceed, ndofs, &U); 223 CeedVectorSetValue(U, 1.0); 224 CeedVectorCreate(ceed, ndofs, &V); 225 226 CeedOperatorApply(op_mass, U, V, CEED_REQUEST_IMMEDIATE); 227 228 // Check output 229 CeedVectorGetArrayRead(V, CEED_MEM_HOST, &hv); 230 sum = 0.; 231 for (CeedInt i=0; i<ndofs; i++) 232 sum += hv[i]; 233 if (fabs(sum-1.)>1e-10) printf("Computed Area: %f != True Area: 1.0\n", sum); 234 CeedVectorRestoreArrayRead(V, &hv); 235 236 // Cleanup 237 CeedQFunctionDestroy(&qf_setupTet); 238 CeedQFunctionDestroy(&qf_massTet); 239 CeedOperatorDestroy(&op_setupTet); 240 CeedOperatorDestroy(&op_massTet); 241 CeedQFunctionDestroy(&qf_setupHex); 242 CeedQFunctionDestroy(&qf_massHex); 243 CeedOperatorDestroy(&op_setupHex); 244 CeedOperatorDestroy(&op_massHex); 245 CeedOperatorDestroy(&op_setup); 246 CeedOperatorDestroy(&op_mass); 247 CeedElemRestrictionDestroy(&ErestrictuTet); 248 CeedElemRestrictionDestroy(&ErestrictxTet); 249 CeedElemRestrictionDestroy(&ErestrictuiTet); 250 CeedElemRestrictionDestroy(&ErestrictxiTet); 251 CeedElemRestrictionDestroy(&ErestrictuHex); 252 CeedElemRestrictionDestroy(&ErestrictxHex); 253 CeedElemRestrictionDestroy(&ErestrictuiHex); 254 CeedElemRestrictionDestroy(&ErestrictxiHex); 255 CeedBasisDestroy(&buTet); 256 CeedBasisDestroy(&bxTet); 257 CeedBasisDestroy(&buHex); 258 CeedBasisDestroy(&bxHex); 259 CeedVectorDestroy(&X); 260 CeedVectorDestroy(&U); 261 CeedVectorDestroy(&V); 262 CeedVectorDestroy(&qdataTet); 263 CeedVectorDestroy(&qdataHex); 264 CeedDestroy(&ceed); 265 return 0; 266 } 267