New rank/select data structure based on sadakane's code

[SXSI/XMLTree.git] / libcds / src / static_bitsequence / sdarray.h

diff --git a/libcds/src/static_bitsequence/sdarray.h b/libcds/src/static_bitsequence/sdarray.h
new file mode 100644 (file)
index 0000000..a6d28b6
--- /dev/null
+++ b/libcds/src/static_bitsequence/sdarray.h
@@ -0,0 +1,48 @@
+
+#ifndef SDARRAY_H
+#define SDARRAY_H
+
+#include <basics.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+#include <sys/timeb.h>
+
+typedef struct {
+  int n,m;
+  int size;
+  uchar *buf;
+  uint *lp;
+  uint *sl;
+  ushort *ss;
+  uint ss_len, sl_len;
+  uint *p;
+} selectd2;
+
+typedef struct {
+  int n,m,d;
+  int size;
+  uchar *hi;
+  uint *low;
+  selectd2 *sd0,*sd1;
+       uint hi_len, low_len;
+
+} selects3;
+
+int selects3_construct(selects3 *select, int n, uint *buf);
+int selects3_select(selects3 *select, int i);
+int selects3_rank(selects3 *select, int i);
+
+int setbit(uint *B, int i,int x);
+int selectd2_save(selectd2 * s, FILE * fp);
+int selects3_save(selects3 * s, FILE * fp);
+
+int selectd2_load(selectd2 * s, FILE * fp);
+int selects3_load(selects3 * s, FILE * fp);
+
+void selectd2_free(selectd2 * s);
+void selects3_free(selects3 * s);
+
+
+#endif
+