From 2da52222a3310d6e204392b02c0c43c346e1b22b Mon Sep 17 00:00:00 2001
From: astrojhgu <astrojhgu@ed2142bd-67ad-457f-ba7c-d818d4011675>
Date: Wed, 1 Dec 2010 16:00:50 +0000
Subject: git-svn-id: file:///home/svn/opt_utilities@145
 ed2142bd-67ad-457f-ba7c-d818d4011675

---
 core/freeze_param.hpp | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 61 insertions(+), 1 deletion(-)

diff --git a/core/freeze_param.hpp b/core/freeze_param.hpp
index f85c1a8..1404980 100644
--- a/core/freeze_param.hpp
+++ b/core/freeze_param.hpp
@@ -172,6 +172,19 @@ namespace opt_utilities
       return result;
     }
 
+    freeze_param plus(const freeze_param& fp)const
+    {
+      freeze_param result(*this);
+      for(typename std::set<Tstr>::const_iterator i=fp.param_names.begin();
+	  i!=fp.param_names.end();
+	  ++i)
+	{
+	  result.param_names.insert(*i);
+	}
+      return result;
+    }
+
+
     /**
        += operator
        like the plus operator
@@ -198,6 +211,29 @@ namespace opt_utilities
       return *this;
     }
 
+    freeze_param& plus_eq(const freeze_param& fp)
+    {
+      //param_names.insert(param_names.end(),
+      //fp.param_names.begin(),
+      //fp.param_names.end());
+      for(typename std::set<Tstr>::const_iterator i=fp.param_names.begin();
+	  i!=fp.param_names.end();
+	  ++i)
+	{
+	  param_names.insert(*i);
+	}
+      try
+	{
+	  update();
+	}
+      catch(opt_exception& e)
+	{
+	  throw;
+	}
+      return *this;
+    }
+
+
 
     /**
        un-freeze a parameter to a list of pre-frozen parameter list
@@ -226,8 +262,32 @@ namespace opt_utilities
       return *this;
     }
 
-  };
 
+    freeze_param& minus_eq(const freeze_param& fp)
+    {
+      //param_names.insert(param_names.end(),
+      //fp.param_names.begin(),
+      //fp.param_names.end());
+      for(typename std::set<Tstr>::const_iterator i=fp.param_names.begin();
+	  i!=fp.param_names.end();
+	  ++i)
+	{
+	  param_names.erase(*i);
+	}
+      try
+	{
+	  update();
+	}
+      catch(opt_exception& e)
+	{
+	  throw;
+	}
+      return *this;
+    }
+    
+  };
+  
+  
   /**
      help function to create a freeze_param object
      \param name the name to be frozen
-- 
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