Changeset 0a4f7f for src/helpers.cpp
- Timestamp:
- Apr 7, 2010, 3:45:38 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:
- 72e7fa
- Parents:
- f9352d
- File:
-
- 1 edited
-
src/helpers.cpp (modified) (3 diffs)
Legend:
- Unmodified
- Added
- Removed
-
src/helpers.cpp
rf9352d r0a4f7f 6 6 7 7 #include "helpers.hpp" 8 #include "Helpers/fast_functions.hpp" 8 9 #include "log.hpp" 9 10 #include "memoryusageobserver.hpp" … … 49 50 while (*b < lower_bound) 50 51 *b += step; 51 };52 53 /** Returns the power of \a n with respect to \a base.54 * \param base basis55 * \param n power56 * \return \f$base^n\f$57 */58 int pot(int base, int n)59 {60 int res = 1;61 int j;62 for (j=n;j--;)63 res *= base;64 return res;65 52 }; 66 53 … … 175 162 }; 176 163 177 /** hard-coded determinant of a 3x3 matrix. 178 * \param a[9] matrix 179 * \return \f$det(a)\f$ 180 */ 181 double RDET3(const double a[NDIM*NDIM]) 182 { 183 return ((a)[0]*(a)[4]*(a)[8] + (a)[3]*(a)[7]*(a)[2] + (a)[6]*(a)[1]*(a)[5] - (a)[2]*(a)[4]*(a)[6] - (a)[5]*(a)[7]*(a)[0] - (a)[8]*(a)[1]*(a)[3]); 184 }; 185 186 /** hard-coded determinant of a 2x2 matrix. 187 * \param a[4] matrix 188 * \return \f$det(a)\f$ 189 */ 190 double RDET2(const double a[4]) 191 { 192 return ((a[0])*(a[3])-(a[1])*(a[2])); 193 }; 194 195 /** hard-coded determinant of a 2x2 matrix. 196 * \param a0 (0,0) entry of matrix 197 * \param a1 (0,1) entry of matrix 198 * \param a2 (1,0) entry of matrix 199 * \param a3 (1,1) entry of matrix 200 * \return \f$det(a)\f$ 201 */ 202 double RDET2(const double a0, const double a1, const double a2, const double a3) 203 { 204 return ((a0)*(a3)-(a1)*(a2)); 205 }; 164 206 165 207 166 /** Comparison function for GSL heapsort on distances in two molecules.
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