From 58756626184437613b7fee705afc8e69077ea6fc Mon Sep 17 00:00:00 2001
From: Magnus Lundborg <lundborg.magnus@gmail.com>
Date: Mon, 26 May 2014 17:41:51 +0200
Subject: Handle one frame frame sets when reading data.

Do not use the stride length if the frame set only contains
one frame.

Change-Id: I2fc98f6f405385dcf12c1da8a946cf0ad99a6ff7

diff --git a/src/lib/tng_io.c b/src/lib/tng_io.c
index fea8ad0..92d728a 100644
--- a/src/lib/tng_io.c
+++ b/src/lib/tng_io.c
@@ -17063,7 +17063,14 @@ tng_function_status DECLSPECDLLEXPORT tng_util_particle_data_next_frame_read
     }
     else
     {
-        i = data->last_retrieved_frame + data->stride_length;
+        if(data->n_frames == 1)
+        {
+            i = data->last_retrieved_frame + 1;
+        }
+        else
+        {
+            i = data->last_retrieved_frame + data->stride_length;
+        }
         if(i < frame_set->first_frame || i >= frame_set->first_frame + frame_set->n_frames)
         {
             stat = tng_frame_set_of_frame_find(tng_data, i);
@@ -17216,7 +17223,14 @@ tng_function_status DECLSPECDLLEXPORT tng_util_non_particle_data_next_frame_read
     }
     else
     {
-        i = data->last_retrieved_frame + data->stride_length;
+        if(data->n_frames == 1)
+        {
+            i = data->last_retrieved_frame + 1;
+        }
+        else
+        {
+            i = data->last_retrieved_frame + data->stride_length;
+        }
         if(i < frame_set->first_frame || i >= frame_set->first_frame + frame_set->n_frames)
         {
             stat = tng_frame_set_of_frame_find(tng_data, i);
-- 
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