From 3ea35e45014201a2ddbee19c400c6914495ace78 Mon Sep 17 00:00:00 2001
From: Patrick Simianer <p@simianer.de>
Date: Fri, 30 Jan 2015 16:21:41 +0100
Subject: dtrain: fix_features

---
 utils/fast_sparse_vector.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/utils/fast_sparse_vector.h b/utils/fast_sparse_vector.h
index 1e0ab428..4e197f73 100644
--- a/utils/fast_sparse_vector.h
+++ b/utils/fast_sparse_vector.h
@@ -319,6 +319,12 @@ class FastSparseVector {
       get_or_create_bin(it->first) += it->second * scalar;
     }
   }
+  template <typename O>
+  inline void cw_mult(FastSparseVector<O>& other) {
+    for (iterator it = begin(); it != end(); ++it) {
+      it->second = other[it->first] * it->second;
+    }
+  }
   inline FastSparseVector& operator-=(const FastSparseVector& other) {
     const typename FastSparseVector::const_iterator end = other.end();
     for (typename FastSparseVector::const_iterator it = other.begin(); it != end; ++it) {
-- 
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