Doc-es: various updates.

[lilypond.git] / flower / interval.cc

diff --git a/flower/interval.cc b/flower/interval.cc
index b307f4c634f5974ecf0fa12eddce38817f314218..a73da9e7889a4552bc7bd7a35582d7dbe4798c1a 100644 (file)
--- a/flower/interval.cc
+++ b/flower/interval.cc
@@ -1,18 +1,53 @@
-#include <assert.h> 
+/*
+  This file is part of LilyPond, the GNU music typesetter.
+
+  Copyright (C) 1997--2015 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 "interval.hh"
-#include <math.h>
 
-const Real INFTY = HUGE;
+#include "interval.tcc"
 
-void
-Interval::set_empty() {
-    min = INFTY;
-    max = -INFTY;
+template<>
+Real
+Interval_t<Real>::infinity ()
+{
+  return HUGE_VAL;
 }
 
-Real
-Interval::length() const {
-    assert(max >= min);
-    return max-min;
+template<>
+string
+Interval_t<Real>::T_to_string (Real r)
+{
+  return ::to_string (r);
+}
+
+template<>
+int
+Interval_t<int>::infinity ()
+{
+  return INT_MAX;
+}
+
+template<>
+string
+Interval_t<int>::T_to_string (int i)
+{
+  return ::to_string (i);
 }
 
+template INTERVAL__INSTANTIATE (int);
+template INTERVAL__INSTANTIATE (Real);