/*
- real.hh -- declare Real
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the Flower Library
+ Copyright (C) 1997--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 1997--1998 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
#define REAL_HH
-
-#include <math.h>
-#include <limits.h>
+#include <algorithm>
+#include <climits>
+#include <cmath>
+using namespace std;
typedef double Real;
-const Real infinity_f = HUGE_VAL;
+extern const Real infinity_f;
+
+/* namespace std { */
template<class T> inline T abs (T x)
{
return x > 0 ? x : -x;
}
-template<class T> inline int sign (T x)
-{
- if (x)
- return x > 0 ? 1 : -1;
- return 0;
-}
+/* } namespace std */
-template<class T> inline T max (T x, T y)
-{
- return x >? y;
-}
-
-template<class T> inline T sqr (T x)
+inline Real
+distance (Real x, Real y)
{
- return x*x;
+ return abs (x - y);
}
-
-template<class T> inline T min (T x, T y)
+template<class T> inline int sign (T x)
{
- return x <? y;
+ if (x)
+ return x > T (0) ? 1 : -1;
+ return 0;
}
-inline Real
-distance (Real x,Real y)
+template<class T> inline T sqr (T x)
{
- return abs (x-y);
+ return x * x;
}
#endif