+/*
+ real.hh -- declare Real
+
+ source file of the Flower Library
+
+ (c) 1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+*/
+
+
#ifndef REAL_HH
#define REAL_HH
-#include <builtin.h>
-#include <minmax.h>
#include <math.h>
+#include <limits.h>
typedef double Real;
+const Real infinity_f = HUGE_VAL;
+
+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 > T(0) ? 1 : -1;
+ return 0;
+}
+
+template<class T> inline T max (T x, T y)
+{
+ return x >? y;
+}
+
+template<class T> inline T sqr (T x)
+{
+ return x*x;
+}
+
+
+template<class T> inline T min (T x, T y)
+{
+ return x <? y;
+}
inline Real
-distance(Real x,Real y)
+distance (Real x,Real y)
{
- return abs(x-y);
+ return abs (x-y);
}
+
#endif