ext/hnswlib/src/space_ip.h in hnswlib-0.1.1 vs ext/hnswlib/src/space_ip.h in hnswlib-0.2.0

@@ -245,9 +245,10 @@
 
         DISTFUNC<float> fstdistfunc_;
         size_t data_size_;
         size_t dim_;
     public:
+        InnerProductSpace() : data_size_(0), dim_(0) { }
         InnerProductSpace(size_t dim) {
             fstdistfunc_ = InnerProduct;
     #if defined(USE_AVX) || defined(USE_SSE)
             if (dim % 16 == 0)
                 fstdistfunc_ = InnerProductSIMD16Ext;