From 0c1f50351a0287252c4b0f7e9edbfb945481e6f7 Mon Sep 17 00:00:00 2001
From: astrojhgu <astrojhgu@ed2142bd-67ad-457f-ba7c-d818d4011675>
Date: Tue, 13 Oct 2009 03:08:47 +0000
Subject: git-svn-id: file:///home/svn/opt_utilities@80
 ed2142bd-67ad-457f-ba7c-d818d4011675

---
 misc/bootstrap.hpp       | 13 +++++++++----
 misc/data_loaders.hpp    |  6 +++---
 models/polar_ellipse.hpp | 49 ++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 61 insertions(+), 7 deletions(-)
 create mode 100644 models/polar_ellipse.hpp

diff --git a/misc/bootstrap.hpp b/misc/bootstrap.hpp
index bd1f4a3..f2ba525 100644
--- a/misc/bootstrap.hpp
+++ b/misc/bootstrap.hpp
@@ -13,7 +13,7 @@
 #include <utility>
 #include <algorithm>
 #include <data_sets/default_data_set.hpp>
-using std::cout;
+using std::cerr;
 namespace opt_utilities
 {
 
@@ -122,6 +122,11 @@ namespace opt_utilities
     {
       return param_pool.at(i);
     }
+
+    int get_param_pool_size()const
+    {
+      return param_pool.size();
+    }
     
   private:
     Tp sample()
@@ -143,9 +148,9 @@ namespace opt_utilities
       param_pool.push_back(p_fitter->fit());
       for(size_t i=0;i<(param_pool.back()).size();++i)
 	{
-	  cout<<param_pool.back()[i]<<",";
+	  cerr<<param_pool.back()[i]<<",";
 	}
-      std::cout<<std::endl;
+      std::cerr<<std::endl;
       return param_pool.back();
     }
     
@@ -181,7 +186,7 @@ namespace opt_utilities
 	typename std::vector<typename element_type_trait<Tp>::element_type>::iterator> 
 	itv=equal_range(_tmp.begin(),_tmp.end(),origin_param[order]);
       int current_param_position=itv.second-_tmp.begin();
-      std::cout<<_tmp.size()<<std::endl;
+      std::cerr<<_tmp.size()<<std::endl;
       return std::pair<typename element_type_trait<Tp>::element_type,
 	typename element_type_trait<Tp>::element_type>(
 				 _tmp.at((int)((1-level)*current_param_position)),
diff --git a/misc/data_loaders.hpp b/misc/data_loaders.hpp
index 20405b1..ad23db6 100644
--- a/misc/data_loaders.hpp
+++ b/misc/data_loaders.hpp
@@ -66,7 +66,7 @@ namespace opt_utilities
 	      break;
 	    }
 	  data<Ty,Tx> d(x,y,y_err,y_err,x_err,x_err);
-	  ds.push_back(d);
+	  ds.add_data(d);
 	}
       //return ifs;
     }
@@ -125,7 +125,7 @@ namespace opt_utilities
 	      break;
 	    }
 	  data<Ty,Tx> d(x,y,y_err,y_err,x_err,x_err);
-	  ds.push_back(d);
+	  ds.add_data(d);
 	}
     }
 
@@ -186,7 +186,7 @@ namespace opt_utilities
 	      break;
 	    }
 	  data<Ty,Tx> d(x,y,yl,yu,xl,xu);
-	  ds.push_back(d);
+	  ds.add_data(d);
 	}
     }
 
diff --git a/models/polar_ellipse.hpp b/models/polar_ellipse.hpp
new file mode 100644
index 0000000..0b574a4
--- /dev/null
+++ b/models/polar_ellipse.hpp
@@ -0,0 +1,49 @@
+#ifndef PELLIPSE_MODEL_H_
+#define PELLIPSE_MODEL_H_
+#define OPT_HEADER
+#include <core/fitter.hpp>
+#include <cmath>
+
+namespace opt_utilities
+{
+  template <typename T>
+  class polar_ellipse
+    :public model<T,T,std::vector<T>,std::string>
+  {
+  private:
+    model<T,T,std::vector<T> >* do_clone()const
+    {
+      return new polar_ellipse<T>(*this);
+    }
+  public:
+    polar_ellipse()
+    {
+      this->push_param_info(param_info<std::vector<T> >("a",1,0,10));
+      this->push_param_info(param_info<std::vector<T> >("e",0,0,1));
+      this->push_param_info(param_info<std::vector<T> >("theta0",0,0,360));
+    }
+
+  public:
+    T do_eval(const T& x,const std::vector<T>& param)
+    {
+      double a=param[0];
+      double e=param[1];
+      double t0=param[2];
+      double t=x-t0;
+      t=t/180.*3.14159265358979;
+      return a*(1-e*e)/(1-e*cos(t));
+    }
+
+  private:
+    std::string do_to_string()const
+    {
+      return "linear model\n"
+	"y=k*x+b\n";
+    }
+  };
+}
+
+
+
+#endif
+//EOF
-- 
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