/*!
 * \file sketch_support.h
 *
 * \brief header file for sketch support routines
 */
#ifndef SKETCH_SUPPORT_H
#define SKETCH_SUPPORT_H

#define MD5_HASHLEN_BITS 16*8 /*! md5 hash length in bits */

#ifndef MAXINT8LEN
#define MAXINT8LEN              25 /*! number of chars to hold an int8 */
#endif

Datum  array_set_bit_in_place(bytea *, int4, int4, int4, int4);
uint32 rightmost_one(uint8 *, size_t, size_t, size_t);
uint32 leftmost_zero(uint8 *, size_t, size_t, size_t);
uint32 ui_rightmost_one(uint32 v);
void   hex_to_bytes(char *hex, uint8 *bytes, size_t);
void bit_print(uint8 *c, int numbytes);
Datum md5_datum(char *);
int4   safe_log2(int64);
#endif /* SKETCH_SUPPORT_H */