m_apm_lc.h

任意精度的数学库

/* 
 *  M_APM  -  m_apm_lc.h
 *
 *  Copyright (C) 1999   Michael C. Ring
 *
 *  Permission to use, copy, and distribute this software and its
 *  documentation for any purpose with or without fee is hereby granted, 
 *  provided that the above copyright notice appear in all copies and 
 *  that both that copyright notice and this permission notice appear 
 *  in supporting documentation.
 *
 *  Permission to modify the software is granted, but not the right to
 *  distribute the modified code.  Modifications are to be distributed 
 *  as patches to released version.
 *  
 *  This software is provided "as is" without express or implied warranty.
 */

/*
 *      This is the local header file needed to build the library
 *
 *      $Log: m_apm_lc.h,v $
 *      Revision 1.13  1999/07/09 22:46:10  mike
 *      add skip limit integer
 *
 *      Revision 1.12  1999/07/08 23:35:20  mike
 *      change constant
 *
 *      Revision 1.11  1999/07/08 22:55:38  mike
 *      add new constant
 *
 *      Revision 1.10  1999/06/23 01:08:11  mike
 *      added constant '15'
 *
 *      Revision 1.9  1999/06/20 23:38:11  mike
 *      updated for new prototypes
 *
 *      Revision 1.8  1999/06/20 23:30:03  mike
 *      added new constants
 *
 *      Revision 1.7  1999/06/20 19:23:12  mike
 *      delete constants no longer needed
 *
 *      Revision 1.6  1999/06/20 18:50:21  mike
 *      added more constants
 *
 *      Revision 1.5  1999/06/19 20:37:30  mike
 *      add stack prototypes
 *
 *      Revision 1.4  1999/05/31 23:01:38  mike
 *      delete some unneeded constants
 *
 *      Revision 1.3  1999/05/15 02:23:28  mike
 *      fix define for M_COS
 *
 *      Revision 1.2  1999/05/15 02:16:56  mike
 *      add check for number of decimal places
 *
 *      Revision 1.1  1999/05/12 20:51:22  mike
 *      Initial revision
 *
 *      $Id: m_apm_lc.h,v 1.13 1999/07/09 22:46:10 mike Exp $
 */

#ifndef M__APM_LOCAL_INC
#define M__APM_LOCAL_INC

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <memory.h>
#include "m_apm.h"

#ifndef TRUE
#define TRUE 1
#endif

#ifndef FALSE
#define FALSE 0
#endif

#define	M_APM_IDENT 0x6BCC9AE5

/* number of digits in the global constants, PI, E, etc */

#define	VALID_DECIMAL_PLACES 128

/* just some unique int's for error messages */

#define	M_LOG10	    0xA01
#define	M_POW       0xA11
#define	M_EXP       0xA12
#define	M_SIN       0xA31
#define	M_COS       0xA32
#define	M_LIMIT     0xA41
#define	M_ASIN      0xA51
#define	M_ACOS      0xA52
#define	M_ATAN2     0xA54

extern  int         MM_skip_limit_PI_check;

/*
 *   constants not in m_apm.h
 */

extern	M_APM	MM_0_5;
extern	M_APM	MM_0_85;
extern	M_APM	MM_Fifteen;
extern	M_APM	MM_5x_008;
extern	M_APM	MM_5x_64R;
extern	M_APM	MM_5x_Eight;
extern	M_APM	MM_5x_Sixteen;
extern	M_APM	MM_5x_Twenty;

/*
 *   prototypes for internal functions
 */

extern	void	M_init_trig_globals(void);
extern	void	M_raw_exp(M_APM, int, M_APM);
extern	void	M_raw_sin(M_APM, int, M_APM);
extern	void	M_raw_cos(M_APM, int, M_APM);
extern	void	M_5x_sin(M_APM, int, M_APM);
extern	void	M_4x_cos(M_APM, int, M_APM);
extern	void	M_5x_do_it(M_APM, int, M_APM);
extern	void	M_4x_do_it(M_APM, int, M_APM);

extern	M_APM	M_get_stack_var(void);
extern	void	M_restore_stack(int);

extern	void	M_cos_to_sin(M_APM, int, M_APM);
extern	void	M_limit_angle_to_pi(M_APM, int, M_APM);
extern	void	M_get_sqrt_guess(M_APM, M_APM);
extern	void	M_get_log_guess(M_APM, M_APM);
extern	void	M_get_asin_guess(M_APM, M_APM);
extern	void	M_get_acos_guess(M_APM, M_APM);

extern	void	M_init_util_data(void);
extern	void	M_get_div_rem(int,UCHAR *,UCHAR *);
extern	void	M_get_div_rem_10(int,UCHAR *,UCHAR *);
extern	void	M_apm_normalize(M_APM);
extern	void	M_apm_scale(M_APM, int);
extern	void	M_apm_pad(M_APM, int);
extern	void	M_check_dec_places(int, int);
extern	int	M_strposition(char *,char *);
extern	char	*M_lowercase(char *);

#endif