Add test to reproduce #72

Author: termoshtt

tests/assert.rs

@@ -0,0 +1,9 @@
+
+extern crate ndarray;
+#[macro_use]
+extern crate ndarray_linalg;
+
+#[test]
+fn assert() {
+    assert_rclose!(1.0, 1.0, 1e-7);
+}