From 16b94d08ac1196823d7e3daf787b85813ba33e6e Mon Sep 17 00:00:00 2001
From: astrojhgu <astrojhgu@ed2142bd-67ad-457f-ba7c-d818d4011675>
Date: Tue, 27 Jul 2010 16:43:48 +0000
Subject: git-svn-id: file:///home/svn/opt_utilities@131
 ed2142bd-67ad-457f-ba7c-d818d4011675

---
 methods/lbfgs/lbfgs.hpp | 169 ------------------------------------------------
 1 file changed, 169 deletions(-)
 delete mode 100644 methods/lbfgs/lbfgs.hpp

(limited to 'methods/lbfgs/lbfgs.hpp')

diff --git a/methods/lbfgs/lbfgs.hpp b/methods/lbfgs/lbfgs.hpp
deleted file mode 100644
index 112d50e..0000000
--- a/methods/lbfgs/lbfgs.hpp
+++ /dev/null
@@ -1,169 +0,0 @@
-#ifndef BFGS_METHOD
-#define BFGS_METHOD
-#define OPT_HEADER
-#include <core/optimizer.hpp>
-//#include <blitz/array.h>
-#include <limits>
-#include <cstdlib>
-#include <core/opt_traits.hpp>
-#include "../linmin/linmin.hpp"
-#include <math/num_diff.hpp>
-#include <cassert>
-#include <cmath>
-#include <ctime>
-#include <vector>
-#include <algorithm>
-#include "lbfgs.h"
-#include "lbfgs.cpp"
-/*
- *
-*/
-#include <iostream>
-using std::cerr;
-using std::endl;
-
-namespace opt_utilities
-{
-
-  template<typename rT,typename pT>
-  lbfgsfloatval_t lbfgs_adapter(
-				void *instance,
-				const lbfgsfloatval_t *x,
-				lbfgsfloatval_t *g,
-				const int n,
-				const lbfgsfloatval_t step
-				)
-  {
-    pT px;
-    resize(px,n);
-    for(int i=0;i<n;++i)
-      {
-	set_element(px,i,x[i]);
-      }
-    
-    lbfgsfloatval_t result=((func_obj<rT,pT>*)instance)->eval(px);
-    pT grad(gradient(*static_cast<func_obj<rT,pT>*>(instance),px));
-    for(int i=0;i<n;++i)
-      {
-	g[i]=get_element(grad,i);
-      }
-    return result;
-  }
-
-
-  
-  template <typename rT,typename pT>
-  class lbfgs_method
-    :public opt_method<rT,pT>
-  {
-  public:
-    typedef pT array1d_type;
-    typedef rT T;
-  private:
-    func_obj<rT,pT>* p_fo;
-    optimizer<rT,pT>* p_optimizer;
-    
-    //typedef blitz::Array<rT,2> array2d_type;
-    
-    
-  private:
-    array1d_type start_point;
-    array1d_type end_point;
-    
-  private:
-    rT threshold;
-  private:
-    rT func(const pT& x)
-    {
-      assert(p_fo!=0);
-      return p_fo->eval(x);
-    }
-
-   
-  public:
-    lbfgs_method()
-      :threshold(1e-4)
-    {}
-
-    virtual ~lbfgs_method()
-    {
-    };
-
-    lbfgs_method(const lbfgs_method<rT,pT>& rhs)
-      :p_fo(rhs.p_fo),p_optimizer(rhs.p_optimizer),
-       start_point(rhs.start_point),
-       end_point(rhs.end_point),
-       threshold(rhs.threshold)
-    {
-    }
-
-    lbfgs_method<rT,pT>& operator=(const lbfgs_method<rT,pT>& rhs)
-    {
-      threshold=rhs.threshold;
-      p_fo=rhs.p_fo;
-      p_optimizer=rhs.p_optimizer;
-      opt_eq(start_point,rhs.start_point);
-      opt_eq(end_point,rhs.end_point);
-    }
-    
-    opt_method<rT,pT>* do_clone()const
-    {
-      return new lbfgs_method<rT,pT>(*this);
-    }
-    
-    void do_set_start_point(const array1d_type& p)
-    {
-      start_point.resize(get_size(p));
-      opt_eq(start_point,p);
-      
-    }
-
-    array1d_type do_get_start_point()const
-    {
-      return start_point;
-    }
-
-    void do_set_precision(rT t)
-    {
-      threshold=t;
-    }
-
-    rT do_get_precision()const
-    {
-      return threshold;
-    }
-
-    void do_set_optimizer(optimizer<rT,pT>& o)
-    {
-      p_optimizer=&o;
-      p_fo=p_optimizer->ptr_func_obj();
-    }
-    
-    
-    
-    pT do_optimize()
-    {
-      lbfgs_parameter_t param;
-      lbfgs_parameter_init(&param);
-      param.ftol=threshold;
-      std::vector<lbfgsfloatval_t> buffer(get_size(start_point));
-      for(int i=0;i<buffer.size();++i)
-	{
-	  buffer[i]=get_element(start_point,i);
-	}
-      lbfgsfloatval_t fx;
-      lbfgs(get_size(start_point),&buffer[0],&fx,
-	    lbfgs_adapter<rT,pT>,0,p_fo,&param);
-      for(int i=0;i<buffer.size();++i)
-	{
-	  set_element(start_point,i,buffer[i]);
-	}
-      return start_point;
-    } 
-  };
-  
-}
-
-
-#endif
-//EOF
-- 
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