summaryrefslogtreecommitdiffhomepage
path: root/compat
diff options
context:
space:
mode:
Diffstat (limited to 'compat')
-rw-r--r--compat/variance.hpp7
1 files changed, 3 insertions, 4 deletions
diff --git a/compat/variance.hpp b/compat/variance.hpp
index 7a83154c..237bb51a 100644
--- a/compat/variance.hpp
+++ b/compat/variance.hpp
@@ -18,16 +18,15 @@
// Comparison of Several Algorithms for Computing Sample Means and Variances.
// Journal of the American Statistical Association, Vol. 69, No. 348, 859-866.
-class variance
+class variance final
{
double m_old, m_new, s_old, s_new;
- std::uintptr_t cnt;
+ std::uintptr_t cnt = 0;
public:
using size_type = std::uintptr_t;
- variance() : cnt(0) {}
-
+ variance& operator=(variance const&) = default;
void clear() { *this = variance(); }
size_type count() { return cnt; }