source file of the Flower Library
- (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#ifndef REAL_HH
#include <algorithm>
#include <climits>
+/*
+ MacOS 10.3 uses g++ 3.3 which doesn't have isinf()
+ */
+// #include <cmath>
+#include <math.h>
+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 x * x;
}
-inline Real
-distance (Real x, Real y)
-{
- return abs (x - y);
-}
-
#endif