initial commit

oscar64/include/opp/algorithm.h

@@ -0,0 +1,84 @@
+#ifndef OPP_ALGORITHM_H
+#define OPP_ALGORITHM_H
+
+#include "utility.h"
+namespace opp {
+
+template<class T, class LT>
+void sort(T s, T e)
+{
+	while (s != e)
+	{
+		auto p = s;
+		auto q = s;
+
+		q++;
+		while (q != e)
+		{
+			if (LT(*q, *p))
+			{
+				swap(*q, *p);
+				p++;
+				swap(*q, *p);				
+			}
+			q++;
+		}
+
+		sort<T, LT>(s, p);
+		p++;
+		s = p;
+	}
+}
+
+template<class T, class LF>
+void sort(T s, T e, LF lt)
+{
+	while (s != e)
+	{
+		auto p = s;
+		auto q = s;
+
+		q++;
+		while (q != e)
+		{
+			if (lt(*q, *p))
+			{
+				swap(*q, *p);
+				p++;
+				swap(*q, *p);				
+			}
+			q++;
+		}
+
+		sort(s, p, lt);
+		p++;
+		s = p;
+	}
+}
+
+template<class II, class OI>
+OI copy(II first, II last, OI result)
+{
+	while (first != last)
+	{
+		*result = *first;
+		++result; ++first;
+	}
+	return result;
+}
+
+
+template<class II, class T>
+II find (II first, II last, const T& val)
+{
+	while (first != last) 
+	{
+		if (*first == val) return first;
+			++first;
+	}
+	return last;
+}
+
+}
+
+#endif