-/*
+/*
tuple.hh -- declare Tuple
-
+
source file of the GNU LilyPond music typesetter
-
- (c) 1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
-#ifndef TUPLET_HH
-#define TUPLET_HH
+ (c) 2006--2009 Han-Wen Nienhuys <hanwen@lilypond.org>
+
+*/
+#ifndef TUPLE_HH
+#define TUPLE_HH
-template<class T, class U>
+template<class T, int N>
struct Tuple
{
- T e1_;
- U e2_;
-
- Tuple (T t, U u)
- {
- e1_ = t;
- e2_ = u;
- }
+ T t_array[N];
Tuple ()
- {
- }
+ {
+ }
+
+ Tuple (T const *src)
+ {
+ for (int i = 0; i < N; i++)
+ t_array[i] = src[i];
+ }
};
+template<class K>
+struct Tuple2 : public Tuple<K, 2>
+{
+ Tuple2 ()
+ {
+
+ }
+
+ Tuple2 (K a, K b)
+ {
+ Tuple<K,2> *p(this); // ugr.
+
+ p->t_array[0] = a;
+ p->t_array[1] = b;
+ }
+};
+
+template<class T, int N>
+inline bool
+operator<(Tuple<T, N> const &t1,
+ Tuple<T, N> const &t2)
+{
+ for (int i = 0; i < N ; i++)
+ {
+ if (t1.t_array[i] > t2.t_array[i])
+ return false;
+ if (t1.t_array[i] < t2.t_array[i])
+ return true;
+ }
-#endif /* TUPLET_HH */
+ return false;
+}
+#endif /* TUPLE_HH */