Import libcds.

[SXSI/libcds.git] / src / static_bitsequence / static_bitsequence_naive.h

diff --git a/src/static_bitsequence/static_bitsequence_naive.h b/src/static_bitsequence/static_bitsequence_naive.h
new file mode 100644 (file)
index 0000000..3a99ba1
--- /dev/null
+++ b/src/static_bitsequence/static_bitsequence_naive.h
@@ -0,0 +1,62 @@
+/* static_bitsequence_naive.h
+ * Copyright (C) 2008, Francisco Claude, all rights reserved.
+ *
+ * Naive Bitsequence - don't use, only for testing
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+
+#ifndef _STATIC_BITSEQUENCE_NAIVE_H
+#define        _STATIC_BITSEQUENCE_NAIVE_H
+
+#include <static_bitsequence.h>
+
+/** Class used for testing, should not be used with long bitmaps
+ *  @author Francisco Claude
+ */
+class static_bitsequence_naive: public static_bitsequence {
+public:
+  /** Builds a naive bitsequence, receives the bitmap and the length
+   *  in bits
+   */
+  static_bitsequence_naive(uint * bitseq, uint len);
+  
+  virtual ~static_bitsequence_naive();
+  
+  /** Returns the number of ones until position i */
+  virtual uint rank1(uint i);
+  
+  /** Returns the position of the i-th one 
+   * @return (uint)-1 if i=0, len if i>num_ones or the position */
+  virtual uint select1(uint i);
+  
+  /** Returns the i-th bit */
+  virtual bool access(uint i);
+  
+  /** Returns the size of the structure in bytes */
+  virtual uint size();
+  
+  /** - Not implemented - */
+       virtual int save(FILE * fp);
+  
+  
+protected:
+  uint * bitseq;
+};
+
+#endif /* _STATIC_BITSEQUENCE_NAIVE_H */
+