Changeset 21c017 for src/vector.cpp
- Timestamp:
- Jul 10, 2009, 12:48:05 PM (16 years ago)
- Branches:
- Action_Thermostats, Add_AtomRandomPerturbation, Add_FitFragmentPartialChargesAction, Add_RotateAroundBondAction, Add_SelectAtomByNameAction, Added_ParseSaveFragmentResults, AddingActions_SaveParseParticleParameters, Adding_Graph_to_ChangeBondActions, Adding_MD_integration_tests, Adding_ParticleName_to_Atom, Adding_StructOpt_integration_tests, AtomFragments, Automaking_mpqc_open, AutomationFragmentation_failures, Candidate_v1.5.4, Candidate_v1.6.0, Candidate_v1.6.1, Candidate_v1.7.0, ChangeBugEmailaddress, ChangingTestPorts, ChemicalSpaceEvaluator, CombiningParticlePotentialParsing, Combining_Subpackages, Debian_Package_split, Debian_package_split_molecuildergui_only, Disabling_MemDebug, Docu_Python_wait, EmpiricalPotential_contain_HomologyGraph, EmpiricalPotential_contain_HomologyGraph_documentation, Enable_parallel_make_install, Enhance_userguide, Enhanced_StructuralOptimization, Enhanced_StructuralOptimization_continued, Example_ManyWaysToTranslateAtom, Exclude_Hydrogens_annealWithBondGraph, FitPartialCharges_GlobalError, Fix_BoundInBox_CenterInBox_MoleculeActions, Fix_ChargeSampling_PBC, Fix_ChronosMutex, Fix_FitPartialCharges, Fix_FitPotential_needs_atomicnumbers, Fix_ForceAnnealing, Fix_IndependentFragmentGrids, Fix_ParseParticles, Fix_ParseParticles_split_forward_backward_Actions, Fix_PopActions, Fix_QtFragmentList_sorted_selection, Fix_Restrictedkeyset_FragmentMolecule, Fix_StatusMsg, Fix_StepWorldTime_single_argument, Fix_Verbose_Codepatterns, Fix_fitting_potentials, Fixes, ForceAnnealing_goodresults, ForceAnnealing_oldresults, ForceAnnealing_tocheck, ForceAnnealing_with_BondGraph, ForceAnnealing_with_BondGraph_continued, ForceAnnealing_with_BondGraph_continued_betteresults, ForceAnnealing_with_BondGraph_contraction-expansion, FragmentAction_writes_AtomFragments, FragmentMolecule_checks_bonddegrees, GeometryObjects, Gui_Fixes, Gui_displays_atomic_force_velocity, ImplicitCharges, IndependentFragmentGrids, IndependentFragmentGrids_IndividualZeroInstances, IndependentFragmentGrids_IntegrationTest, IndependentFragmentGrids_Sole_NN_Calculation, JobMarket_RobustOnKillsSegFaults, JobMarket_StableWorkerPool, JobMarket_unresolvable_hostname_fix, MoreRobust_FragmentAutomation, ODR_violation_mpqc_open, PartialCharges_OrthogonalSummation, PdbParser_setsAtomName, PythonUI_with_named_parameters, QtGui_reactivate_TimeChanged_changes, Recreated_GuiChecks, Rewrite_FitPartialCharges, RotateToPrincipalAxisSystem_UndoRedo, SaturateAtoms_findBestMatching, SaturateAtoms_singleDegree, StoppableMakroAction, Subpackage_CodePatterns, Subpackage_JobMarket, Subpackage_LinearAlgebra, Subpackage_levmar, Subpackage_mpqc_open, Subpackage_vmg, Switchable_LogView, ThirdParty_MPQC_rebuilt_buildsystem, TrajectoryDependenant_MaxOrder, TremoloParser_IncreasedPrecision, TremoloParser_MultipleTimesteps, TremoloParser_setsAtomName, Ubuntu_1604_changes, stable
- Children:
- 5466f3
- Parents:
- a37350
- File:
-
- 1 edited
-
src/vector.cpp (modified) (1 diff)
Legend:
- Unmodified
- Added
- Removed
-
src/vector.cpp
ra37350 r21c017 413 413 for (int i=NDIM;i--;) 414 414 x[i] = C.x[i]; 415 }; 416 417 /** Calculate the inverse of a 3x3 matrix. 418 * \param *matrix NDIM_NDIM array 419 */ 420 double * Vector::InverseMatrix(double *A) 421 { 422 double *B = (double *) Malloc(sizeof(double)*NDIM*NDIM, "Vector::InverseMatrix: *B"); 423 double detA = RDET3(A); 424 double detAReci; 425 426 for (int i=0;i<NDIM*NDIM;++i) 427 B[i] = 0.; 428 // calculate the inverse B 429 if (fabs(detA) > MYEPSILON) {; // RDET3(A) yields precisely zero if A irregular 430 detAReci = 1./detA; 431 B[0] = detAReci*RDET2(A[4],A[5],A[7],A[8]); // A_11 432 B[1] = -detAReci*RDET2(A[1],A[2],A[7],A[8]); // A_12 433 B[2] = detAReci*RDET2(A[1],A[2],A[4],A[5]); // A_13 434 B[3] = -detAReci*RDET2(A[3],A[5],A[6],A[8]); // A_21 435 B[4] = detAReci*RDET2(A[0],A[2],A[6],A[8]); // A_22 436 B[5] = -detAReci*RDET2(A[0],A[2],A[3],A[5]); // A_23 437 B[6] = detAReci*RDET2(A[3],A[4],A[6],A[7]); // A_31 438 B[7] = -detAReci*RDET2(A[0],A[1],A[6],A[7]); // A_32 439 B[8] = detAReci*RDET2(A[0],A[1],A[3],A[4]); // A_33 440 } 441 return B; 415 442 }; 416 443
Note:
See TracChangeset
for help on using the changeset viewer.
