From: Alexander Schmidt <alex@treefish.org>
Date: Mon, 25 Nov 2013 13:39:34 +0000 (+0100)
Subject: ...
X-Git-Url: http://git.treefish.org/~alex/phys/heatbath.git/commitdiff_plain/a70bf950d14902f91ae0c0e4027537a7e23d3bc5?ds=sidebyside

...
---

diff --git a/sim-1mr-.hpp b/sim-1mr-.hpp
index 00e15be..75c41d9 100644
--- a/sim-1mr-.hpp
+++ b/sim-1mr-.hpp
@@ -45,6 +45,7 @@ void sim::updatePhi (const int& x)
 {
   const double theta = gsl_rng_uniform(rangsl) * 2*M_PI;
   complex<double> V=0;
+  const double oldarg = arg(conf[x].phi);
 
   for (int nu=0; nu<4; nu++)
     V += conf[ (*nb)[x*4+nu] ].phi;
@@ -53,8 +54,6 @@ void sim::updatePhi (const int& x)
 			- 1./M * norm(V)
 			+ 2 * real( conf[x].phi * conj(V) ) );
 
-  double oldarg = arg(conf[x].phi);
-
   conf[x].phi = sqrt(std::log( 1./(1-r) )) / sqrt(M)
     * polar(1.0, oldarg)
     + V / M;
diff --git a/sim-r-.hpp b/sim-r-.hpp
index 24f7ca4..f16d97e 100644
--- a/sim-r-.hpp
+++ b/sim-r-.hpp
@@ -45,13 +45,12 @@ void sim::updatePhi (const int& x)
 {
   const double r = gsl_rng_uniform(rangsl);
   const double theta = gsl_rng_uniform(rangsl) * 2*M_PI;
+  const double oldarg = arg(conf[x].phi);
   complex<double> V=0;
 
   for (int nu=0; nu<4; nu++)
     V += conf[ (*nb)[x*4+nu] ].phi;
 
-  double oldarg = arg(conf[x].phi);
-
   conf[x].phi = sqrt(std::log( 1./(1-r) )) / sqrt(M)
     * polar(1.0, oldarg)
     + V / M;