From f96d6894e8a5e6889c2589ba305d78826b076d3f Mon Sep 17 00:00:00 2001
From: nick_m <mainsbridge@gmail.com>
Date: Tue, 31 Jan 2017 05:02:02 +1100
Subject: remove unused empoMap::round_to_beat_subdivision()

---
 libs/ardour/tempo.cc | 96 ----------------------------------------------------
 1 file changed, 96 deletions(-)

(limited to 'libs/ardour/tempo.cc')

diff --git a/libs/ardour/tempo.cc b/libs/ardour/tempo.cc
index d690896c15..9d8633f19f 100644
--- a/libs/ardour/tempo.cc
+++ b/libs/ardour/tempo.cc
@@ -3688,102 +3688,6 @@ TempoMap::round_to_beat (framepos_t fr, RoundMode dir)
 	return round_to_type (fr, dir, Beat);
 }
 
-framepos_t
-TempoMap::round_to_beat_subdivision (framepos_t fr, int sub_num, RoundMode dir)
-{
-	Glib::Threads::RWLock::ReaderLock lm (lock);
-	uint32_t ticks = (uint32_t) floor (max (0.0, beat_at_minute_locked (_metrics, minute_at_frame (fr))) * BBT_Time::ticks_per_beat);
-	uint32_t beats = (uint32_t) floor (ticks / BBT_Time::ticks_per_beat);
-	uint32_t ticks_one_subdivisions_worth = (uint32_t) BBT_Time::ticks_per_beat / sub_num;
-
-	ticks -= beats * BBT_Time::ticks_per_beat;
-
-	if (dir > 0) {
-		/* round to next (or same iff dir == RoundUpMaybe) */
-
-		uint32_t mod = ticks % ticks_one_subdivisions_worth;
-
-		if (mod == 0 && dir == RoundUpMaybe) {
-			/* right on the subdivision, which is fine, so do nothing */
-
-		} else if (mod == 0) {
-			/* right on the subdivision, so the difference is just the subdivision ticks */
-			ticks += ticks_one_subdivisions_worth;
-
-		} else {
-			/* not on subdivision, compute distance to next subdivision */
-
-			ticks += ticks_one_subdivisions_worth - mod;
-		}
-
-		if (ticks >= BBT_Time::ticks_per_beat) {
-			ticks -= BBT_Time::ticks_per_beat;
-		}
-	} else if (dir < 0) {
-
-		/* round to previous (or same iff dir == RoundDownMaybe) */
-
-		uint32_t difference = ticks % ticks_one_subdivisions_worth;
-
-		if (difference == 0 && dir == RoundDownAlways) {
-			/* right on the subdivision, but force-rounding down,
-			   so the difference is just the subdivision ticks */
-			difference = ticks_one_subdivisions_worth;
-		}
-
-		if (ticks < difference) {
-			ticks = BBT_Time::ticks_per_beat - ticks;
-		} else {
-			ticks -= difference;
-		}
-
-	} else {
-		/* round to nearest */
-		double rem;
-
-		/* compute the distance to the previous and next subdivision */
-
-		if ((rem = fmod ((double) ticks, (double) ticks_one_subdivisions_worth)) > ticks_one_subdivisions_worth/2.0) {
-
-			/* closer to the next subdivision, so shift forward */
-
-			ticks = lrint (ticks + (ticks_one_subdivisions_worth - rem));
-
-			DEBUG_TRACE (DEBUG::SnapBBT, string_compose ("moved forward to %1\n", ticks));
-
-			if (ticks > BBT_Time::ticks_per_beat) {
-				++beats;
-				ticks -= BBT_Time::ticks_per_beat;
-				DEBUG_TRACE (DEBUG::SnapBBT, string_compose ("fold beat to %1\n", beats));
-			}
-
-		} else if (rem > 0) {
-
-			/* closer to previous subdivision, so shift backward */
-
-			if (rem > ticks) {
-				if (beats == 0) {
-					/* can't go backwards past zero, so ... */
-					return 0;
-				}
-				/* step back to previous beat */
-				--beats;
-				ticks = lrint (BBT_Time::ticks_per_beat - rem);
-				DEBUG_TRACE (DEBUG::SnapBBT, string_compose ("step back beat to %1\n", beats));
-			} else {
-				ticks = lrint (ticks - rem);
-				DEBUG_TRACE (DEBUG::SnapBBT, string_compose ("moved backward to %1\n", ticks));
-			}
-		} else {
-			/* on the subdivision, do nothing */
-		}
-	}
-
-	const framepos_t ret_frame = frame_at_minute (minute_at_beat_locked (_metrics, beats + (ticks / BBT_Time::ticks_per_beat)));
-
-	return ret_frame;
-}
-
 MusicFrame
 TempoMap::round_to_quarter_note_subdivision (framepos_t fr, int sub_num, RoundMode dir)
 {
-- 
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