/*
- real.hh -- declare Real
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the Flower Library
+ Copyright (C) 1997--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.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 REAL_HH
#include <algorithm>
#include <climits>
+#include <cmath>
+using namespace std;
typedef double Real;
extern const Real infinity_f;
-using namespace std;
+/* namespace std { */
+
template<class T> inline T abs (T x)
{
return x > 0 ? x : -x;
}
+/* } namespace std */
+
+inline Real
+distance (Real x, Real y)
+{
+ return abs (x - y);
+}
+
template<class T> inline int sign (T x)
{
if (x)
return 0;
}
-
template<class T> inline T sqr (T x)
{
return x * x;
}
-
-inline Real
-distance (Real x, Real y)
-{
- return abs (x - y);
-}
-
#endif