From c27dbb7ab508b39ad1f177c457e790a582e1cdc9 Mon Sep 17 00:00:00 2001
From: Daniel Bauer <bauer@cbs.tu-darmstadt.de>
Date: Sat, 17 Jul 2021 14:42:21 +0200
Subject: [PATCH] test g=1 for correlation

---
 src/correlation_analysis.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/correlation_analysis.rs b/src/correlation_analysis.rs
index f7cff7d..9907c50 100644
--- a/src/correlation_analysis.rs
+++ b/src/correlation_analysis.rs
@@ -57,7 +57,13 @@ mod tests {
         let timeseries = read_timeseries("example/1d_cyclic/COLVAR-2.5.xvg");
         let g = super::statistical_ineff(&timeseries);
         println!("{:?}", g);
-        assert!((g - 3.859).abs() < 0.001)
+        assert!((g - 3.859).abs() < 0.001);
+
+        // a "random" timeseries with g < 1.0
+        let timeseries = [1_f64, 4_f64, 921_f64, 121213_f64, 23192_f64,
+            8913_f64, 1232_f64, 2_f64, 151_f64, 123091_f64];
+        let g = super::statistical_ineff(&timeseries);
+        assert_approx_eq!(g, 1.0);
     }
 
     #[test]