From c9e1e813b4fb59bcc451c977758de64a5b9628b1 Mon Sep 17 00:00:00 2001
From: Magnus Lundborg <lundborg.magnus@gmail.com>
Date: Fri, 29 Nov 2013 09:52:57 +0100
Subject: Minor fix for reading sparse data.


diff --git a/src/lib/tng_io.c b/src/lib/tng_io.c
index 97fb283..5c5dd0f 100644
--- a/src/lib/tng_io.c
+++ b/src/lib/tng_io.c
@@ -6359,8 +6359,9 @@ static tng_function_status tng_data_block_contents_read
                 }
             }
             offset += sizeof(stride_length);
-            n_frames = first_frame_with_data -
-                       tng_data->current_trajectory_frame_set.n_frames;
+            n_frames = tng_data->current_trajectory_frame_set.n_frames -
+                       (first_frame_with_data -
+                        tng_data->current_trajectory_frame_set.first_frame);
         }
         else
         {
-- 
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