From: Alexander Schmidt <alex@treefish.org>
Date: Fri, 15 Nov 2013 10:48:56 +0000 (+0100)
Subject: Implemented r algorithm.
X-Git-Url: http://git.treefish.org/~alex/phys/heatbath.git/commitdiff_plain/529d936f699ce3260e09903837fbeab9159eb05f?ds=sidebyside

Implemented r algorithm.
---

diff --git a/sim-nor.hpp b/sim-nor.hpp
index 7bb4a7c..9c1d166 100644
--- a/sim-nor.hpp
+++ b/sim-nor.hpp
@@ -21,15 +21,10 @@ public:
 private:
   void _makeSweep();
   void _newParas();
-
   gsl_rng* rangsl;
-
   neigh *nb;
-
   int updatePhi (const int& x);
-
   double M;
-
   double SofPhi(const int& x, const complex<double>& phix);
   double rhoPhi(const int& x, const complex<double>& phixCandidate);
 };
diff --git a/sim-r.hpp b/sim-r.hpp
index aa305ff..e908626 100644
--- a/sim-r.hpp
+++ b/sim-r.hpp
@@ -19,12 +19,10 @@ public:
 private:
   void _makeSweep();
   void _newParas();
-
   gsl_rng* rangsl;
-
   neigh *nb;
-
   void updatePhi (const int& x);
+  double M;
 };
 
 
@@ -46,13 +44,25 @@ void sim::updatePhi (const int& x)
 {
   const double r = gsl_rng_uniform(rangsl);
   const double theta = gsl_rng_uniform(rangsl) * 2*M_PI;
+  complex<double> V=0;
+
+  for (int nu=0; nu<4; nu++)
+    V += conf[ (*nb)[x*4+nu] ].phi;
+
+  conf[x].phi = sqrt(std::log( 1./(1-r) )) / sqrt(M)
+    * complex<double>( cos(theta), sin(theta) )
+    + V / M;
 }
 
 void sim::_makeSweep() {  
+  for (int ix=0; ix<LSIZE2; ix++)
+    updatePhi(ix);
 }
 
 void sim::_newParas() {
-  /* reset variables */
+  M = pow( (*O815->paraQ)["mass"], 2 ) + 4;
+  *log << "SIM: Resetting fields." << endl << flush;
+  memset(conf, 0, sizeof(siteconf)*LSIZE2);
 }
 
 #endif