- Timestamp:
- Jun 26, 2010, 11:40:12 AM (15 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, 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:
- d10eb6
- Parents:
- d0f111
- Location:
- src
- Files:
-
- 2 edited
Legend:
- Unmodified
- Added
- Removed
-
src/helpers.cpp
rd0f111 rf66b67 136 136 }; 137 137 138 /** Calculate the inverse of a 3x3 matrix.139 * \param *matrix NDIM_NDIM array140 */141 double * InverseMatrix( const double * const A)142 {143 double *B = new double[NDIM * NDIM];144 double detA = RDET3(A);145 double detAReci;146 147 for (int i=0;i<NDIM*NDIM;++i)148 B[i] = 0.;149 // calculate the inverse B150 if (fabs(detA) > MYEPSILON) {; // RDET3(A) yields precisely zero if A irregular151 detAReci = 1./detA;152 B[0] = detAReci*RDET2(A[4],A[5],A[7],A[8]); // A_11153 B[1] = -detAReci*RDET2(A[1],A[2],A[7],A[8]); // A_12154 B[2] = detAReci*RDET2(A[1],A[2],A[4],A[5]); // A_13155 B[3] = -detAReci*RDET2(A[3],A[5],A[6],A[8]); // A_21156 B[4] = detAReci*RDET2(A[0],A[2],A[6],A[8]); // A_22157 B[5] = -detAReci*RDET2(A[0],A[2],A[3],A[5]); // A_23158 B[6] = detAReci*RDET2(A[3],A[4],A[6],A[7]); // A_31159 B[7] = -detAReci*RDET2(A[0],A[1],A[6],A[7]); // A_32160 B[8] = detAReci*RDET2(A[0],A[1],A[3],A[4]); // A_33161 }162 return B;163 };164 165 166 138 167 139 /** Comparison function for GSL heapsort on distances in two molecules. -
src/helpers.hpp
rd0f111 rf66b67 53 53 int CompareDoubles (const void * a, const void * b); 54 54 double * ReturnFullMatrixforSymmetric(const double * const cell_size); 55 double * InverseMatrix(const double * const A);56 55 void performCriticalExit(); 57 56
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