-#include <assert.h>
-#include <math.h>
-#include "interval.hh"
-#include "string.hh"
+/*
+ interval.cc -- instantiate Interval_t<Real>
+ source file of the Flower Library
-const Real INFTY = HUGE;
+ (c) 1997--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
-void
-Interval::set_empty() {
- min = INFTY;
- max = -INFTY;
-}
+#include "interval.hh"
+
+#include "interval.tcc"
+template<>
Real
-Interval::length() const {
- assert(max >= min);
- return max-min;
-}
-void
-Interval::unite(Interval h)
+Interval_t<Real>::infinity ()
{
- if (h.min<min)
- min = h.min;
- if (h.max>max)
- max = h.max;
+ return HUGE_VAL;
}
-void
-Interval::intersect(Interval h)
+
+template<>
+string
+Interval_t<Real>::T_to_string (Real r)
{
- min = MAX(h.min, min);
- max = MIN(h.max, max);
+ return ::to_string (r);
}
-Interval
-intersect(Interval x, Interval const &y)
+template<>
+int
+Interval_t<int>::infinity ()
{
- x.intersect(y);
- return x;
+ return INT_MAX;
}
-
-Interval::operator String() const
+template<>
+string
+Interval_t<int>::T_to_string (int i)
{
- if (empty())
- return "[empty]";
- String s("[");
-
- return s + min + "," + max +"]";
+ return ::to_string (i);
}
+
+template INTERVAL__INSTANTIATE (int);
+template INTERVAL__INSTANTIATE (Real);