From 08084a4c69daeb37a11416f455d4da095ee77189 Mon Sep 17 00:00:00 2001
From: astrojhgu <astrojhgu@ed2142bd-67ad-457f-ba7c-d818d4011675>
Date: Tue, 4 Jan 2011 17:33:07 +0000
Subject: git-svn-id: file:///home/svn/opt_utilities@155
 ed2142bd-67ad-457f-ba7c-d818d4011675

---
 error_estimator/error_estimator.hpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/error_estimator/error_estimator.hpp b/error_estimator/error_estimator.hpp
index a6c6163..3b6f889 100644
--- a/error_estimator/error_estimator.hpp
+++ b/error_estimator/error_estimator.hpp
@@ -1,3 +1,9 @@
+/**
+   \file error_estimator.hpp
+   \brief define the function used to estimate the error boundaries of a fit
+   \author Junhua Gu
+ */
+
 #ifndef ERROR_EST
 #define ERROR_EST
 #include <core/fitter.hpp>
@@ -8,6 +14,15 @@
 
 namespace opt_utilities
 {
+  /**
+     \brief calculate the error boundary of a fit, according to the given delta statistic.
+     \param fit the fitter that has a sucessful fit result
+     \param pname the name of the parameter, the error of which will be estimated
+     \param lower input as the initial value of the lower boundary, and output as the final result of the lower boundary
+     \param upper input as the initial value of the upper boundary, and output as the final result of the upper boundary
+     \param dchi the delta statistic corresponding to a certain confidence level
+     \param precision determine how precise the error bounds should be determined
+   */
   template <typename Ty,typename Tx,typename Tp,typename Ts,typename Tstr>
   void estimate_error(fitter<Ty,Tx,Tp,Ts>& fit,const Tstr& pname,typename element_type_trait<Tp>::element_type& lower,typename element_type_trait<Tp>::element_type& upper,const Ts& dchi,const Ts& precision)
   {
-- 
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