From 1d5cc25d94650f5e2e656ce7cd24ae5fea2ae6fc Mon Sep 17 00:00:00 2001
From: Carl Hetherington <carl@carlh.net>
Date: Sat, 23 Apr 2011 00:02:58 +0000
Subject: [PATCH] Add some assertions.

git-svn-id: svn://localhost/ardour2/branches/3.0@9411 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 libs/ardour/beats_frames_converter.cc | 2 ++
 libs/timecode/src/bbt_time.cc         | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/libs/ardour/beats_frames_converter.cc b/libs/ardour/beats_frames_converter.cc
index 10a1d44321..a960f1a221 100644
--- a/libs/ardour/beats_frames_converter.cc
+++ b/libs/ardour/beats_frames_converter.cc
@@ -27,6 +27,8 @@ namespace ARDOUR {
 framecnt_t
 BeatsFramesConverter::to (double beats) const
 {
+	assert (beats >= 0);
+	
 	return _tempo_map.framepos_plus_bbt (_origin_b, Timecode::BBT_Time(beats)) - _origin_b;
 }
 
diff --git a/libs/timecode/src/bbt_time.cc b/libs/timecode/src/bbt_time.cc
index 2ece391786..c48191abe8 100644
--- a/libs/timecode/src/bbt_time.cc
+++ b/libs/timecode/src/bbt_time.cc
@@ -17,6 +17,7 @@
 */
 
 #include <cmath>
+#include <cassert>
 
 #include "timecode/bbt_time.h"
 
@@ -31,6 +32,8 @@ BBT_Time::BBT_Time (double dbeats)
            always be zero.
         */
 
+	assert (dbeats >= 0);
+
         bars = 0;
         beats = rint (floor (dbeats));
         ticks = rint (floor (BBT_Time::ticks_per_beat * fmod (dbeats, 1.0)));