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authorPatrick Simianer <p@simianer.de>2015-01-30 16:21:41 +0100
committerPatrick Simianer <p@simianer.de>2015-01-30 16:21:41 +0100
commit3ea35e45014201a2ddbee19c400c6914495ace78 (patch)
treee2458f61e623869014ac1aef226ee4c1635865e2 /utils
parent88a597f7bea6cd8325b48678dfaf874fae4d660d (diff)
dtrain: fix_features
Diffstat (limited to 'utils')
-rw-r--r--utils/fast_sparse_vector.h6
1 files changed, 6 insertions, 0 deletions
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) {