lgold.h

在linux系统下开发研究移动通信的工具型代码

#ifndef _GOLDL_H
#define _GOLDL_H

/*
 * $Log: lgold.h,v $
 * Revision 1.1  2000/05/03 14:30:04  bjc97r
 * Initial revision
 *
 */

#include "lmseq.h"
#include "u2long.h"

typedef struct {
  LMseq *mseq0; /* 1st m-sequence generator */
  LMseq *mseq1; /* 2nd m-sequence generator */
} LGold;

/*
 * It creates a Gold code generator with the two preferred m-sequences
 * with the given seeds. The Gold code generator is returned.
 */
LGold * lgold_create( unsigned deg, char *p0, char *p1, u2long s0, u2long s1);

/* lgold_free() deallocates the memory space for the Gold sequence generator.*/
void lgold_free( LGold *gold );

/*
 * lgold() gives the next long Gold sequence. 
 * The sequence is unipolar, ie 1 or 0.
 */
char lgold( LGold *gold );

#endif /* _GOLDL_H */