X-Git-Url: http://git.treefish.org/~alex/phys/heatbath.git/blobdiff_plain/5631e78e06df267533ac5e8d97c3053d72a31eb4..b29c28bcd466d938ffd95887abef67dc1491bd50:/sim-r.hpp?ds=inline diff --git a/sim-r.hpp b/sim-r.hpp deleted file mode 100644 index c49f736..0000000 --- a/sim-r.hpp +++ /dev/null @@ -1,72 +0,0 @@ -#ifndef SIM_HPP -#define SIM_HPP - -#include -#include -#include - -#include "latlib/neigh.h" - -class sim : public o815::sim { -public: - struct siteconf { - complex phi; - }; - sim(o815 *_O815); - siteconf* conf; - unsigned int LSIZE2; - -private: - void _makeSweep(); - void _newParas(); - gsl_rng* rangsl; - neigh *nb; - void updatePhi (const int& x); - double M; -}; - - - -sim::sim(o815 *_O815) : o815::sim( _O815, - sizeof(siteconf)* - (_O815->comargs.lsize[0]*_O815->comargs.lsize[1]) ) { - conf = (siteconf*)confMem; - - rangsl = gsl_rng_alloc(gsl_rng_ranlxs0); - gsl_rng_set(rangsl, time(NULL)); - - LSIZE2 = _O815->comargs.lsize[0] * _O815->comargs.lsize[1]; - - nb = new neigh(2, _O815->comargs.lsize[0], _O815->comargs.lsize[1]); -} - -void sim::updatePhi (const int& x) -{ - const double r = gsl_rng_uniform(rangsl); - const double theta = gsl_rng_uniform(rangsl) * 2*M_PI; - complex 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( cos(theta), sin(theta) ) - + V / M; -} - -void sim::_makeSweep() { - for (int ichecker=0; ichecker<2; ichecker++) - for (int it=0; itcomargs.lsize[0]; it++) - for (int iy=(it+ichecker)%2; iycomargs.lsize[1]; iy+=2) - updatePhi( it*O815->comargs.lsize[1] + iy ); -} - -void sim::_newParas() { - M = pow( (*O815->paraQ)["mass"], 2 ) + 4; - *log << "SIM: Resetting fields." << endl << flush; - - for (int ix=0; ix