Mercurial > public > ostc4

annotate ostc4pack/src/crcmodel.h @ 576:1105cf7bbf6f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Return to o2 values: In surface mode the custom view will now reset to the o2 sensor display if sensors are connected and no button has been pressed for 20 seconds
author Ideenmodellierer
date Sun, 29 Nov 2020 22:55:31 +0100
parents b70fae5023b4
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
161
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
1 /******************************************************************************/
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
2 /* */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
3 /* Author : Ross Williams (ross@guest.adelaide.edu.au.). */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
4 /* Date : 3 June 1993. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
5 /* Status : Public domain. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
6 /* */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
7 /* Description : This is the header (.h) file for the reference */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
8 /* implementation of the Rocksoft^tm Model CRC Algorithm. For more */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
9 /* information on the Rocksoft^tm Model CRC Algorithm, see the document */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
10 /* titled "A Painless Guide to CRC Error Detection Algorithms" by Ross */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
11 /* Williams (ross@guest.adelaide.edu.au.). This document is likely to be in */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
12 /* "ftp.adelaide.edu.au/pub/rocksoft". */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
13 /* */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
14 /* Note: Rocksoft is a trademark of Rocksoft Pty Ltd, Adelaide, Australia. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
15 /* */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
16 /******************************************************************************/
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
17 /* */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
18 /* How to Use This Package */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
19 /* ----------------------- */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
20 /* Step 1: Declare a variable of type cm_t. Declare another variable */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
21 /* (p_cm say) of type p_cm_t and initialize it to point to the first */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
22 /* variable (e.g. p_cm_t p_cm = &cm_t). */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
23 /* */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
24 /* Step 2: Assign values to the parameter fields of the structure. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
25 /* If you don't know what to assign, see the document cited earlier. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
26 /* For example: */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
27 /* p_cm->cm_width = 16; */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
28 /* p_cm->cm_poly = 0x8005L; */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
29 /* p_cm->cm_init = 0L; */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
30 /* p_cm->cm_refin = TRUE; */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
31 /* p_cm->cm_refot = TRUE; */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
32 /* p_cm->cm_xorot = 0L; */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
33 /* Note: Poly is specified without its top bit (18005 becomes 8005). */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
34 /* Note: Width is one bit less than the raw poly width. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
35 /* */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
36 /* Step 3: Initialize the instance with a call cm_ini(p_cm); */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
37 /* */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
38 /* Step 4: Process zero or more message bytes by placing zero or more */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
39 /* successive calls to cm_nxt. Example: cm_nxt(p_cm,ch); */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
40 /* */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
41 /* Step 5: Extract the CRC value at any time by calling crc = cm_crc(p_cm); */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
42 /* If the CRC is a 16-bit value, it will be in the bottom 16 bits. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
43 /* */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
44 /******************************************************************************/
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
45 /* */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
46 /* Design Notes */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
47 /* ------------ */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
48 /* PORTABILITY: This package has been coded very conservatively so that */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
49 /* it will run on as many machines as possible. For example, all external */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
50 /* identifiers have been restricted to 6 characters and all internal ones to */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
51 /* 8 characters. The prefix cm (for Crc Model) is used as an attempt to avoid */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
52 /* namespace collisions. This package is endian independent. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
53 /* */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
54 /* EFFICIENCY: This package (and its interface) is not designed for */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
55 /* speed. The purpose of this package is to act as a well-defined reference */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
56 /* model for the specification of CRC algorithms. If you want speed, cook up */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
57 /* a specific table-driven implementation as described in the document cited */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
58 /* above. This package is designed for validation only; if you have found or */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
59 /* implemented a CRC algorithm and wish to describe it as a set of parameters */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
60 /* to the Rocksoft^tm Model CRC Algorithm, your CRC algorithm implementation */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
61 /* should behave identically to this package under those parameters. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
62 /* */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
63 /******************************************************************************/
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
64
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
65 /* The following #ifndef encloses this entire */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
66 /* header file, rendering it indempotent. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
67 #ifndef CM_DONE
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
68 #define CM_DONE
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
69
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
70 /******************************************************************************/
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
71
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
72 /* The following definitions are extracted from my style header file which */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
73 /* would be cumbersome to distribute with this package. The DONE_STYLE is the */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
74 /* idempotence symbol used in my style header file. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
75
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
76 #ifndef DONE_STYLE
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
77
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
78 typedef unsigned long ulong;
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
79 typedef unsigned bool;
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
80 typedef unsigned char *p_ubyte_;
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
81
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
82 #ifndef TRUE
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
83 #define FALSE 0
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
84 #define TRUE 1
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
85 #endif
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
86
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
87 /* Change to the second definition if you don't have prototypes. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
88 #define P_(A) A
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
89 /* #define P_(A) () */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
90
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
91 /* Uncomment this definition if you don't have void. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
92 /* typedef int void; */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
93
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
94 #endif
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
95
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
96 /******************************************************************************/
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
97
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
98 /* CRC Model Abstract Type */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
99 /* ----------------------- */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
100 /* The following type stores the context of an executing instance of the */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
101 /* model algorithm. Most of the fields are model parameters which must be */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
102 /* set before the first initializing call to cm_ini. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
103 typedef struct {
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
104 int cm_width; /* Parameter: Width in bits [8,32]. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
105 ulong cm_poly; /* Parameter: The algorithm's polynomial. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
106 ulong cm_init; /* Parameter: Initial register value. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
107 bool cm_refin; /* Parameter: Reflect input bytes? */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
108 bool cm_refot; /* Parameter: Reflect output CRC? */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
109 ulong cm_xorot; /* Parameter: XOR this to output CRC. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
110
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
111 ulong cm_reg; /* Context: Context during execution. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
112 } cm_t;
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
113 typedef cm_t *p_cm_t;
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
114
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
115 /******************************************************************************/
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
116
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
117 /* Functions That Implement The Model */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
118 /* ---------------------------------- */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
119 /* The following functions animate the cm_t abstraction. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
120
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
121 void cm_ini P_((p_cm_t p_cm));
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
122 /* Initializes the argument CRC model instance. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
123 /* All parameter fields must be set before calling this. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
124
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
125 void cm_nxt P_((p_cm_t p_cm, int ch));
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
126 /* Processes a single message byte [0,255]. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
127
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
128 void cm_blk P_((p_cm_t p_cm, p_ubyte_ blk_adr, ulong blk_len));
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
129 /* Processes a block of message bytes. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
130
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
131 ulong cm_crc P_((p_cm_t p_cm));
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
132 /* Returns the CRC value for the message bytes processed so far. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
133
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
134 /******************************************************************************/
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
135
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
136 /* Functions For Table Calculation */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
137 /* ------------------------------- */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
138 /* The following function can be used to calculate a CRC lookup table. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
139 /* It can also be used at run-time to create or check static tables. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
140
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
141 ulong cm_tab P_((p_cm_t p_cm, int index));
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
142 /* Returns the i'th entry for the lookup table for the specified algorithm. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
143 /* The function examines the fields cm_width, cm_poly, cm_refin, and the */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
144 /* argument table index in the range [0,255] and returns the table entry in */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
145 /* the bottom cm_width bytes of the return value. */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
146
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
147 /******************************************************************************/
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
148
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
149 /* End of the header file idempotence #ifndef */
b70fae5023b4 Add missing file for self build pack tools
Jan Mulder <jlmulder@xs4all.nl>
parents:
diff changeset
150 #endif