/*
- interval.tcc -- implement Interval_t
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the Flower Library
+ Copyright (C) 1996--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1996--2007 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/>.
*/
#ifndef INTERVAL_TCC
Interval_t<T>::set_empty ()
{
at (LEFT) = (T) infinity ();
- at (RIGHT) = (T) -infinity ();
+ at (RIGHT) = (T) - infinity ();
}
template<class T>
void
Interval_t<T>::set_full ()
{
- at (LEFT) = (T) -infinity ();
+ at (LEFT) = (T) - infinity ();
at (RIGHT) = (T) infinity ();
}
at (RIGHT) = max (h.at (RIGHT), at (RIGHT));
}
+/* Unites h and this interval, but in such a way
+ that h will lie in a particular direction from this
+ interval, with a minimum amount of space in between.
+ (That is, h will be translated before we unite, if
+ that is necessary to prevent overlap. */
+template<class T>
+void
+Interval_t<T>::unite_disjoint (Interval_t<T> h, T padding, Direction d)
+{
+ T dir = d;
+ T translation = dir * (at (d) + dir * padding - h.at (-d));
+ if (translation > (T) 0)
+ h.translate (translation);
+ unite (h);
+}
+
+template<class T>
+Interval_t<T>
+Interval_t<T>::union_disjoint (Interval_t<T> h, T padding, Direction d) const
+{
+ Interval_t<T> iv = *this;
+ iv.unite_disjoint (h, padding, d);
+ return iv;
+}
+
template<class T>
void
Interval_t<T>::intersect (Interval_t<T> h)
string s ("[");
return (s + T_to_string (at (LEFT)) + string (",")
- + T_to_string (at (RIGHT)) + string ("]"));
+ + T_to_string (at (RIGHT)) + string ("]"));
}
template<class T>
return r >= at (LEFT) && r <= at (RIGHT);
}
-#define INTERVAL__INSTANTIATE(T) struct Interval_t<T>; \
+#define INTERVAL__INSTANTIATE(T) struct Interval_t<T>; \
template int Interval__compare (const Interval_t<T> &, Interval_t<T> const &)
#endif // INTERVAL_TCC