From 029bbc9ecccef33842486c664208b55aa8ea9979 Mon Sep 17 00:00:00 2001
From: Vasil Nikolov <vaskonikolov2003@gmail.com>
Date: Mon, 24 Apr 2023 00:46:06 +0300
Subject: [PATCH] add unit test for variance

---
 src/base/mod.rs           | 2 ++
 src/base/variance_test.rs | 7 +++++++
 2 files changed, 9 insertions(+)
 create mode 100644 src/base/variance_test.rs

diff --git a/src/base/mod.rs b/src/base/mod.rs
index 0f09cc33..1eabbfcf 100644
--- a/src/base/mod.rs
+++ b/src/base/mod.rs
@@ -64,3 +64,5 @@ pub use self::matrix_view::*;
 pub use self::storage::*;
 #[cfg(any(feature = "std", feature = "alloc"))]
 pub use self::vec_storage::*;
+
+mod variance_test;
diff --git a/src/base/variance_test.rs b/src/base/variance_test.rs
new file mode 100644
index 00000000..eec5f7e4
--- /dev/null
+++ b/src/base/variance_test.rs
@@ -0,0 +1,7 @@
+#[cfg(test)]
+use crate::DVector;
+#[test]
+fn test_variance_new() {
+    let v = DVector::repeat(10_000, 100000000.1234);
+    assert_eq!(v.variance(), 0.0)
+}