From 1caf7f6c63d8b961155526112c2f3b779d531c17 Mon Sep 17 00:00:00 2001
From: Daniel Bauer <bauer@cbs.tu-darmstadt.de>
Date: Sat, 6 Oct 2018 11:30:13 +0200
Subject: [PATCH] fix data read

---
 src/io.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/io.rs b/src/io.rs
index c1a6b08..6b002fc 100644
--- a/src/io.rs
+++ b/src/io.rs
@@ -121,12 +121,15 @@ fn read_window_file(window_file: &str, cfg: &Config) -> Option<Histogram> {
         }
     }
 
-    if max_bin == min_bin {
+    println!("{}", global_hist.len());
+    if (max_bin == min_bin && global_hist[max_bin] == 0.0) || max_bin < min_bin {
         None // zero length histogram
     } else {
+        println!("{}/{}, {:?}", min_bin, max_bin, global_hist);
         // trim global hist to save memory
         global_hist.truncate(max_bin+1);
         global_hist.drain(..min_bin);
+        println!("{}/{} ->{:?}", min_bin, max_bin, &global_hist);
         
         let num_points: f32 = global_hist.iter().sum();
         Some(Histogram::new(min_bin, max_bin, num_points as u32, global_hist))