From ba3ae54f516fc447ad1828cf99ca22d352189c71 Mon Sep 17 00:00:00 2001
From: nick_m <mainsbridge@gmail.com>
Date: Tue, 22 Mar 2016 02:55:24 +1100
Subject: [PATCH] Tempo ramps - clean up negative beat handling in
 beats_to_bbt_locked ()

---
 libs/ardour/tempo.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libs/ardour/tempo.cc b/libs/ardour/tempo.cc
index 549bac465d..ee66f4015d 100644
--- a/libs/ardour/tempo.cc
+++ b/libs/ardour/tempo.cc
@@ -1599,11 +1599,11 @@ TempoMap::beats_to_bbt (const double& beats)
 }
 
 Timecode::BBT_Time
-TempoMap::beats_to_bbt_locked (const Metrics& metrics, const double& beats) const
+TempoMap::beats_to_bbt_locked (const Metrics& metrics, const double& b) const
 {
 	/* CALLER HOLDS READ LOCK */
-
 	MeterSection* prev_ms = 0;
+	const double beats = (b < 0.0) ? 0.0 : b;
 	uint32_t accumulated_bars = 0;
 	double accumulated_beats = 0.0;