/*
- duration.cc -- implement Duration
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the LilyPond music typesetter
-
- (c) 1997--2008 Jan Nieuwenhuizen <janneke@gnu.org>
+ Copyright (C) 1997--2011 Jan Nieuwenhuizen <janneke@gnu.org>
Han-Wen Nienhuys <hanwen@xs4all.nl>
+
+ LilyPond is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#include "duration.hh"
satisfies the left inequality and is within a factor of 2 of
satistying the right one. Therefore either k = k' or k = k'+1 */
- int p = r.num ();
- int q = r.den ();
+ int p = (int) r.num ();
+ int q = (int) r.den ();
int k = intlog2 (q) - intlog2 (p);
- if ((p << k) < q)
+ if (shift_left(p, k) < q)
k++;
- assert ((p << k) >= q && (p << (k-1)) < q);
+ assert (shift_left(p, k) >= q && shift_left(p, (k-1)) < q);
/* If we were to write out log (p/q) in base 2, then the position of the
first non-zero bit (ie. k in our notation) would be the durlog
and the number of consecutive 1s after that bit would be the number of
dots */
- p = (p << k) - q;
+ p = shift_left(p, k) - q;
dots_ = 0;
while ((p *= 2) >= q)
{