From 93b28277476de5d4fbfbf5ac236f9f619d482c46 Mon Sep 17 00:00:00 2001
From: Joe Zhao <ztuowen@gmail.com>
Date: Mon, 8 Jun 2015 11:20:36 +0800
Subject: separation, HE

---
 tools/dataProvider.h | 48 +++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 43 insertions(+), 5 deletions(-)

(limited to 'tools')

diff --git a/tools/dataProvider.h b/tools/dataProvider.h
index 65a6b63..eed3079 100644
--- a/tools/dataProvider.h
+++ b/tools/dataProvider.h
@@ -147,8 +147,43 @@ public:
                 oth = &(all[b+1]->feature);
         }
         for (int i=0;i<n;++i)
-            res += sqrt((*id)[i] * (*oth)[i]);
-        return -log(res);
+        {
+            double acc=0;
+            for (int j=0;j<16;++j,++i)
+                acc += sqrt((*id)[i] * (*oth)[i]);
+            res-=log(acc+1e-30);
+        }
+        return res;
+    }
+    inline double getHell(int x){
+        int a,b,q=getqSize();
+        a=x/q;
+        b=x%q;
+        double res = 0;
+        Eigen::VectorXd *id,*oth;
+        if (single)
+        {
+            id = &(uniq[a]->feature);
+            oth = &(other[b]->feature);
+        }
+        else {
+            id = &(all[a]->feature);
+            if (b<a)
+                oth = &(all[b]->feature);
+            else
+                oth = &(all[b+1]->feature);
+        }
+        for (int i=0;i<n;++i)
+        {
+            double acc=0;
+            for (int j=0;j<16;++j,++i)
+                acc += sqrt((*id)[i] * (*oth)[i]);
+            res+=sqrt(1-acc);
+        }
+        return res;
+    }
+    inline double cal(Eigen::VectorXd *id,Eigen::VectorXd *oth,int i) {
+        return fabs((*id)[i] - (*oth)[i]);
     }
     inline Eigen::VectorXd getVec(int x){
         int a,b,q=getqSize();
@@ -167,7 +202,10 @@ public:
             else
                 oth = &(all[b+1]->feature);
         }
-        return (*id-*oth).cwiseAbs();
+        Eigen::VectorXd res(n);
+        for (int i=0;i<n;++i)
+            res(i)=cal(id,oth,i);
+        return res;
     };
     inline double getVecDot(int x,const Eigen::VectorXd &w)
     {
@@ -189,7 +227,7 @@ public:
                 oth = &(all[b+1]->feature);
         }
         for (int i=0;i<n;++i)
-            res += fabs((*id)[i] - (*oth)[i])*w[i];
+            res += cal(id,oth,i)*w[i];
         return res;
     }
     inline void addVecw(int x,double w,Eigen::VectorXd &X)
@@ -211,7 +249,7 @@ public:
                 oth = &(all[b+1]->feature);
         }
         for (int i=0;i<n;++i)
-            X[i] += fabs((*id)[i] - (*oth)[i])*w;
+            X[i] += cal(id,oth,i)*w;
     }
     inline double getL(int x){
         int a,b,q=getqSize();
-- 
cgit v1.2.3-70-g09d2