Ignore:
Timestamp:
Jun 27, 2014, 9:32:55 PM (11 years ago)
Author:
Frederik Heber <heber@…>
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:
550f2a
Parents:
16227a
git-author:
Frederik Heber <heber@…> (02/27/14 20:15:41)
git-committer:
Frederik Heber <heber@…> (06/27/14 21:32:55)
Message:

FunctionModel now uses list_of_arguments to split sequence of subsets of distances.

  • this fixes ambiguities with the set of distances: Imagine the distances within a water molecule as OH (A) and HH (B). We then may have a sequence of argument_t as AABAAB. And with the current implementation of CompoundPotential::splitUpArgumentsByModels() we would always choose the latter (and more complex) model. Hence, we make two calls to TriplePotential_Angle, instead of calls twice to PairPotential_Harmonic for A, one to PairPotential_Harmonic for B, and once to TriplePotential_Angle for AAB.
  • now, we new list looks like A,A,B,AAB where each tuple of distances can be uniquely associated with a specific potential.
  • changed signatures of EmpiricalPotential::operator(), ::derivative(), ::parameter_derivative(). This involved changing all of the current specific potentials and CompoundPotential.
  • TrainingData must discern between the InputVector_t (just all distances) and the FilteredInputVector_t (tuples of subsets of distances).
  • FunctionApproximation now has list_of_arguments_t as parameter to evaluate() and evaluate_derivative().
  • DOCU: docu change in TrainingData.
File:
1 edited

Legend:

Unmodified
Added
Removed
  • src/Potentials/Specifics/FourBodyPotential_Torsion.cpp

    r16227a re1fe7e  
    140140FourBodyPotential_Torsion::results_t
    141141FourBodyPotential_Torsion::operator()(
    142     const arguments_t &arguments
     142    const list_of_arguments_t &listarguments
    143143    ) const
    144144{
    145   ASSERT( arguments.size() == getSpecificArgumentCount(),
    146       "FourBodyPotential_Torsion::operator() - requires exactly three arguments.");
    147   ASSERT( ParticleTypeChecker::checkArgumentsAgainstParticleTypes(
    148       arguments, getParticleTypes()),
    149       "FourBodyPotential_Torsion::operator() - types don't match with ones in arguments.");
    150   const argument_t &r_ij = arguments[0]; // 01
    151   const argument_t &r_ik = arguments[1]; // 02
    152   const argument_t &r_il = arguments[2]; // 03
    153   const argument_t &r_jk = arguments[3]; // 12
    154   const argument_t &r_jl = arguments[4]; // 13
    155   const argument_t &r_kl = arguments[5]; // 23
    156   const result_t result =
    157       params[spring_constant]
    158              * Helpers::pow( function_theta(r_ij.distance, r_ik.distance, r_il.distance, r_jk.distance, r_jl.distance, r_kl.distance) - params[equilibrium_distance], 2 );
    159   return std::vector<result_t>(1, result);
     145  result_t result = 0.;
     146  for(list_of_arguments_t::const_iterator iter = listarguments.begin();
     147      iter != listarguments.end(); ++iter) {
     148    const arguments_t &arguments = *iter;
     149    ASSERT( arguments.size() == getSpecificArgumentCount(),
     150        "FourBodyPotential_Torsion::operator() - requires exactly three arguments.");
     151    ASSERT( ParticleTypeChecker::checkArgumentsAgainstParticleTypes(
     152        arguments, getParticleTypes()),
     153        "FourBodyPotential_Torsion::operator() - types don't match with ones in arguments.");
     154    const argument_t &r_ij = arguments[0]; // 01
     155    const argument_t &r_ik = arguments[1]; // 02
     156    const argument_t &r_il = arguments[2]; // 03
     157    const argument_t &r_jk = arguments[3]; // 12
     158    const argument_t &r_jl = arguments[4]; // 13
     159    const argument_t &r_kl = arguments[5]; // 23
     160    result +=
     161        params[spring_constant]
     162               * Helpers::pow( function_theta(r_ij.distance, r_ik.distance, r_il.distance, r_jk.distance, r_jl.distance, r_kl.distance)
     163                   - params[equilibrium_distance], 2 );
     164  }
     165  return results_t(1, result);
    160166}
    161167
    162168FourBodyPotential_Torsion::derivative_components_t
    163169FourBodyPotential_Torsion::derivative(
    164     const arguments_t &arguments
     170    const list_of_arguments_t &listarguments
    165171    ) const
    166172{
    167   ASSERT( arguments.size() == getSpecificArgumentCount(),
    168       "FourBodyPotential_Torsion::operator() - requires exactly three arguments.");
    169   ASSERT( ParticleTypeChecker::checkArgumentsAgainstParticleTypes(
    170       arguments, getParticleTypes()),
    171       "FourBodyPotential_Torsion::operator() - types don't match with ones in arguments.");
    172   derivative_components_t result;
    173   const argument_t &r_ij = arguments[0]; // 01
    174   const argument_t &r_ik = arguments[1]; // 02
    175   const argument_t &r_il = arguments[2]; // 03
    176   const argument_t &r_jk = arguments[3]; // 12
    177   const argument_t &r_jl = arguments[4]; // 13
    178   const argument_t &r_kl = arguments[5]; // 23
    179   result.push_back( 2. * params[spring_constant] * ( function_theta(r_ij.distance, r_ik.distance, r_il.distance, r_jk.distance, r_jl.distance, r_kl.distance) - params[equilibrium_distance]) );
    180   ASSERT( result.size() == 1,
    181       "FourBodyPotential_Torsion::operator() - we did not create exactly one component.");
    182   return result;
     173  result_t result = 0.;
     174  for(list_of_arguments_t::const_iterator iter = listarguments.begin();
     175      iter != listarguments.end(); ++iter) {
     176    const arguments_t &arguments = *iter;
     177    ASSERT( arguments.size() == getSpecificArgumentCount(),
     178        "FourBodyPotential_Torsion::operator() - requires exactly three arguments.");
     179    ASSERT( ParticleTypeChecker::checkArgumentsAgainstParticleTypes(
     180        arguments, getParticleTypes()),
     181        "FourBodyPotential_Torsion::operator() - types don't match with ones in arguments.");
     182    const argument_t &r_ij = arguments[0]; // 01
     183    const argument_t &r_ik = arguments[1]; // 02
     184    const argument_t &r_il = arguments[2]; // 03
     185    const argument_t &r_jk = arguments[3]; // 12
     186    const argument_t &r_jl = arguments[4]; // 13
     187    const argument_t &r_kl = arguments[5]; // 23
     188    result +=
     189        2. * params[spring_constant] *
     190        ( function_theta(r_ij.distance, r_ik.distance, r_il.distance, r_jk.distance, r_jl.distance, r_kl.distance)
     191            - params[equilibrium_distance]);
     192  }
     193  return derivative_components_t(1, result);
    183194}
    184195
    185196FourBodyPotential_Torsion::results_t
    186197FourBodyPotential_Torsion::parameter_derivative(
    187     const arguments_t &arguments,
     198    const list_of_arguments_t &listarguments,
    188199    const size_t index
    189200    ) const
    190201{
    191   ASSERT( arguments.size() == getSpecificArgumentCount(),
    192       "FourBodyPotential_Torsion::parameter_derivative() - requires exactly three arguments.");
    193   ASSERT( ParticleTypeChecker::checkArgumentsAgainstParticleTypes(
    194       arguments, getParticleTypes()),
    195       "FourBodyPotential_Torsion::operator() - types don't match with ones in arguments.");
    196   const argument_t &r_ij = arguments[0]; // 01
    197   const argument_t &r_ik = arguments[1]; // 02
    198   const argument_t &r_il = arguments[2]; // 03
    199   const argument_t &r_jk = arguments[3]; // 12
    200   const argument_t &r_jl = arguments[4]; // 13
    201   const argument_t &r_kl = arguments[5]; // 23
    202   switch (index) {
    203     case spring_constant:
    204     {
    205       const result_t result =
    206                  Helpers::pow( function_theta(r_ij.distance, r_ik.distance, r_il.distance, r_jk.distance, r_jl.distance, r_kl.distance) - params[equilibrium_distance], 2 );
    207       return std::vector<result_t>(1, result);
    208       break;
     202  result_t result = 0.;
     203  for(list_of_arguments_t::const_iterator iter = listarguments.begin();
     204      iter != listarguments.end(); ++iter) {
     205    const arguments_t &arguments = *iter;
     206    ASSERT( arguments.size() == getSpecificArgumentCount(),
     207        "FourBodyPotential_Torsion::parameter_derivative() - requires exactly three arguments.");
     208    ASSERT( ParticleTypeChecker::checkArgumentsAgainstParticleTypes(
     209        arguments, getParticleTypes()),
     210        "FourBodyPotential_Torsion::operator() - types don't match with ones in arguments.");
     211    const argument_t &r_ij = arguments[0]; // 01
     212    const argument_t &r_ik = arguments[1]; // 02
     213    const argument_t &r_il = arguments[2]; // 03
     214    const argument_t &r_jk = arguments[3]; // 12
     215    const argument_t &r_jl = arguments[4]; // 13
     216    const argument_t &r_kl = arguments[5]; // 23
     217    switch (index) {
     218      case spring_constant:
     219      {
     220        result +=
     221            Helpers::pow( function_theta(r_ij.distance, r_ik.distance, r_il.distance, r_jk.distance, r_jl.distance, r_kl.distance) - params[equilibrium_distance], 2 );
     222        break;
     223      }
     224      case equilibrium_distance:
     225      {
     226        result +=
     227            -2. * params[spring_constant]
     228                   * ( function_theta(r_ij.distance, r_ik.distance, r_il.distance, r_jk.distance, r_jl.distance, r_kl.distance) - params[equilibrium_distance]);
     229        break;
     230      }
     231      default:
     232        ASSERT(0, "FourBodyPotential_Torsion::parameter_derivative() - derivative to unknown parameter desired.");
     233        break;
    209234    }
    210     case equilibrium_distance:
    211     {
    212       const result_t result =
    213           -2. * params[spring_constant]
    214                  * ( function_theta(r_ij.distance, r_ik.distance, r_il.distance, r_jk.distance, r_jl.distance, r_kl.distance) - params[equilibrium_distance]);
    215       return std::vector<result_t>(1, result);
    216       break;
    217     }
    218     default:
    219       ASSERT(0, "FourBodyPotential_Torsion::parameter_derivative() - derivative to unknown parameter desired.");
    220       break;
    221235  }
    222   return std::vector<result_t>(1);
     236  return results_t(1, result);
    223237}
    224238
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