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ISMN.h
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1 /*
2  * ISMN.h
3  * PostgreSQL type definitions for ISNs (ISBN, ISMN, ISSN, EAN13, UPC)
4  *
5  * Information recompiled by Kronuz on November 12, 2004
6  * http://www.ismn-international.org
7  *
8  * IDENTIFICATION
9  * contrib/isn/ISMN.h
10  *
11  * M-3452-4680-5 <=> (0)-3452-4680-5 <=> 0345246805 <=> 9790345246805 <=> 979-0-3452-4680-5
12  *
13  * (M counts as 3)
14  * ISMN M 3 4 5 2 4 6 8 0
15  * Weight 3 1 3 1 3 1 3 1 3
16  * Product 9 + 3 + 12 + 5 + 6 + 4 + 18 + 8 + 0 = 65
17  * 65 / 10 = 6 remainder 5
18  * Check digit 10 - 5 = 5
19  * => M-3452-4680-5
20  *
21  * ISMN 9 7 9 0 3 4 5 2 4 6 8 0
22  * Weight 1 3 1 3 1 3 1 3 1 3 1 3
23  * Product 9 + 21 + 9 + 0 + 3 + 12 + 5 + 6 + 4 + 18 + 8 + 0 = 95
24  * 95 / 10 = 9 remainder 5
25  * Check digit 10 - 5 = 5
26  * => 979-0-3452-4680-5
27  *
28  * Since mod10(9*1 + 7*3 + 9*1 + 0*3) = mod10(M*3) = mod10(3*3) = 9; the check digit remains the same.
29  *
30  */
31 
32 /* where the digit set begins, and how many of them are in the table */
33 const unsigned ISMN_index[10][2] = {
34  {0, 5},
35  {5, 0},
36  {5, 0},
37  {5, 0},
38  {5, 0},
39  {5, 0},
40  {5, 0},
41  {5, 0},
42  {5, 0},
43  {5, 0},
44 };
45 const char *ISMN_range[][2] = {
46  {"0-000", "0-099"},
47  {"0-1000", "0-3999"},
48  {"0-40000", "0-69999"},
49  {"0-700000", "0-899999"},
50  {"0-9000000", "0-9999999"},
51  {NULL, NULL}
52 };
const unsigned ISMN_index[10][2]
Definition: ISMN.h:33
#define NULL
Definition: c.h:226
const char * ISMN_range[][2]
Definition: ISMN.h:45