Changeset a5028f for src/boundary.cpp

Timestamp:

Feb 3, 2011, 9:59:58 AM (14 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:

5817ef

Parents:

63839f

git-author:

Frederik Heber <heber@…> (01/07/11 15:38:52)

git-committer:

Frederik Heber <heber@…> (02/03/11 09:59:58)

Message:

RandomNumberGeneratorFactory is now used instead of rand() throughout the code.

• FillVoidWithMolecule(): this is not sensible for all distributions. Maybe so, for now this is just to test the dipole angular correlation implementation. Here, one should rather hard-code one.

File:

• src/boundary.cpp (modified) (11 diffs)

src/boundary.cpp

@@ -40 +40 @@
 #include "LinearAlgebra/Plane.hpp"
 #include "LinearAlgebra/RealSpaceMatrix.hpp"
+#include "RandomNumbers/RandomNumberGeneratorFactory.hpp"
+#include "RandomNumbers/RandomNumberGenerator.hpp"
 #include "Box.hpp"
 
@@ -831 +833 @@
 
   // initialize seed of random number generator to current time
-  srand ( time(NULL) );
+  RandomNumberGenerator &random = RandomNumberGeneratorFactory::getInstance().makeRandomNumberGenerator();
+  const double rng_min = random.min();
+  const double rng_max = random.max();
+  //srand ( time(NULL) );
 
   // go over [0,1]^3 filler grid
@@ -841 +846 @@
         // create molecule random translation vector ...
         for (int i=0;i<NDIM;i++)
-          FillerTranslations[i] = RandomMolDisplacement*(rand()/(RAND_MAX/2.) - 1.);
+          FillerTranslations[i] = RandomMolDisplacement*(random()/((rng_max-rng_min)/2.) - 1.);
         DoLog(2) && (Log() << Verbose(2) << "INFO: Current Position is " << CurrentPosition << "+" << FillerTranslations << "." << endl);
 
@@ -851 +856 @@
         if (DoRandomRotation)
           for (int i=0;i<NDIM;i++)
-            phi[i] = (rand()/RAND_MAX)*(2.*M_PI);
+            phi[i] = (random()/(rng_max-rng_min))*(2.*M_PI);
 
         for(molecule::const_iterator iter = filler->begin(); iter !=filler->end();++iter){
@@ -857 +862 @@
           // create atomic random translation vector ...
           for (int i=0;i<NDIM;i++)
-            AtomTranslations[i] = RandomAtomDisplacement*(rand()/(RAND_MAX/2.) - 1.);
+            AtomTranslations[i] = RandomAtomDisplacement*(random()/((rng_max-rng_min)/2.) - 1.);
 
           // ... and rotation matrix
@@ -939 +944 @@
     molecule *&Filling,
     double RandomAtomDisplacement,
-    RealSpaceMatrix &Rotations
+    RealSpaceMatrix &Rotations,
+    RandomNumberGenerator &random
     )
 {
+  const double rng_min = random.min();
+  const double rng_max = random.max();
+
   Vector AtomTranslations;
   for(molecule::iterator miter = Filling->begin(); miter != Filling->end(); ++miter) {
@@ -949 +958 @@
     // create atomic random translation vector ...
     for (int i=0;i<NDIM;i++)
-      AtomTranslations[i] = RandomAtomDisplacement*(rand()/(RAND_MAX/2.) - 1.);
+      AtomTranslations[i] = RandomAtomDisplacement*(random()/((rng_max-rng_min)/2.) - 1.);
     (*miter)->setPosition((*miter)->getPosition() + AtomTranslations);
   }
@@ -1090 +1099 @@
 
   // initialize seed of random number generator to current time
-  srand ( time(NULL) );
+  RandomNumberGenerator &random = RandomNumberGeneratorFactory::getInstance().makeRandomNumberGenerator();
+  const double rng_min = random.min();
+  const double rng_max = random.max();
+  //srand ( time(NULL) );
 
   // go over [0,1]^3 filler grid
@@ -1099 +1111 @@
         CurrentPosition = M * Vector((double)n[0]/(double)N[0], (double)n[1]/(double)N[1], (double)n[2]/(double)N[2]);
         // create molecule random translation vector ...
-        for (int i=0;i<NDIM;i++)
-          FillerTranslations[i] = RandomMolDisplacement*(rand()/(RAND_MAX/2.) - 1.);
+        for (int i=0;i<NDIM;i++) // have the random values [-1,1]*RandomMolDisplacement
+          FillerTranslations[i] = RandomMolDisplacement*(random()/((rng_max-rng_min)/2.) - 1.);
         DoLog(2) && (Log() << Verbose(2) << "INFO: Current Position is " << CurrentPosition << "+" << FillerTranslations << "." << endl);
 
@@ -1130 +1142 @@
           // fill!
           Filling = filler->CopyMolecule();
-          RandomizeMoleculePositions(Filling, RandomAtomDisplacement, Rotations);
+          RandomizeMoleculePositions(Filling, RandomAtomDisplacement, Rotations, random);
           // translation
           Filling->Translate(&Inserter);
@@ -1168 +1180 @@
     else
       Rotations.setIdentity();
-    RandomizeMoleculePositions(filler, RandomAtomDisplacement, Rotations);
+    RandomizeMoleculePositions(filler, RandomAtomDisplacement, Rotations, random);
     // translation
     filler->Translate(&firstInserter);