-#include <assert.h>
-#include <math.h>
-#include "interval.hh"
-#include "string.hh"
+/*
+ This file is part of LilyPond, the GNU music typesetter.
+ Copyright (C) 1997--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
-const Real INFTY = HUGE;
+ 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.
-void
-Interval::set_empty() {
- min = INFTY;
- max = -INFTY;
-}
+ 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.
-Real
-Interval::length() const {
- assert(max >= min);
- return max-min;
-}
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
-void
-Interval::unite(Interval h)
-{
- compare(h, *this );
- if (h.min<min)
- min = h.min;
- if (h.max>max)
- max = h.max;
-}
+#include "interval.hh"
-void
-Interval::intersect(Interval h)
+#include "interval.tcc"
+
+template<>
+Real
+Interval_t<Real>::infinity ()
{
- min = MAX(h.min, min);
- max = MIN(h.max, max);
+ return HUGE_VAL;
}
-Interval
-intersection(Interval a, Interval const&b)
+template<>
+string
+Interval_t<Real>::T_to_string (Real r)
{
- a.intersect(b);
- return a;
-
+ return ::to_string (r);
}
+template<>
int
-Interval::compare(const Interval&a,Interval const&b)
+Interval_t<int>::infinity ()
{
- if (a.min == b.min && a.max == b.max)
- return 0;
-
- if (a.min <= b.min && a.max >= b.max)
- return 1;
-
- if (a.min >= b.min && a.max <= b.max)
- return -1;
-
- assert(false); // not comparable
-
- return 0;
+ return INT_MAX;
}
-Interval
-intersect(Interval x, Interval const &y)
-{
- x.intersect(y);
- return x;
-}
-
-String
-Interval::str() const
-{
- if (empty())
- return "[empty]";
- String s("[");
-
- return s + min + "," + max +"]";
-}
-bool
-Interval::elt_q(Real r)
+template<>
+string
+Interval_t<int>::T_to_string (int i)
{
- return r >= min && r <= max;
+ return ::to_string (i);
}
+
+template INTERVAL__INSTANTIATE (int);
+template INTERVAL__INSTANTIATE (Real);