From 0cd52e0cae3ab1f6411765dff69359809a0ae83e Mon Sep 17 00:00:00 2001
From: Joe Zhao <ztuowen@gmail.com>
Date: Fri, 15 May 2015 20:38:04 +0800
Subject: reordering, iter, output, check

---
 model/ranksvmtn.cpp | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/model/ranksvmtn.cpp b/model/ranksvmtn.cpp
index 7e8b882..3b60c65 100644
--- a/model/ranksvmtn.cpp
+++ b/model/ranksvmtn.cpp
@@ -181,10 +181,10 @@ int line_search(const VectorXd &w,RidList &D,const VectorXd &corr,const VectorXd
         g=g+line_turb;
         h = h+line_turb;
         t=t-g/h;
-        if (g*g/h<line_prec)
-            break;
         ++iter;
         LOG(INFO) << "line search iter "<<iter<<", prec:"<<g*g/h;
+        if (g*g/h<line_prec)
+            break;
         if (iter >= ls_maxiter)
         {
             LOG(INFO) << "line search forced termination by maxiter";
@@ -209,13 +209,6 @@ int train_orig(int fsize, RidList &Data,const VectorXd &corr,VectorXd &weight){
     VectorXd alpha,beta;
     while (true)
     {
-        iter+=1;
-        if (iter> maxiter)
-        {
-            LOG(INFO)<< "Maxiter reached";
-            break;
-        }
-
         for (int i=0;i<n;++i)
             dw(i) = Data.getVec(i).dot(weight);
         cal_alpha_beta(dw,corr,Data,rank,yt,alpha,beta);
@@ -234,7 +227,13 @@ int train_orig(int fsize, RidList &Data,const VectorXd &corr,VectorXd &weight){
         weight=weight+step*t;
         // When dec is small enough
         double nprec = step.dot(grad)/obj;
+        ++iter;
         LOG(INFO)<<"Iter: "<<iter<<" Obj: " <<obj << " Ndec/Obj:"<<nprec << " linesearch: "<< -t ;
+        if (iter> maxiter)
+        {
+            LOG(INFO)<< "Maxiter reached";
+            break;
+        }
         if (nprec < prec)
             break;
     }
-- 
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