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00001 /* 00002 * ISMN.h 00003 * PostgreSQL type definitions for ISNs (ISBN, ISMN, ISSN, EAN13, UPC) 00004 * 00005 * Information recompiled by Kronuz on November 12, 2004 00006 * http://www.ismn-international.org 00007 * 00008 * IDENTIFICATION 00009 * contrib/isn/ISMN.h 00010 * 00011 * M-3452-4680-5 <=> (0)-3452-4680-5 <=> 0345246805 <=> 9790345246805 <=> 979-0-3452-4680-5 00012 * 00013 * (M counts as 3) 00014 * ISMN M 3 4 5 2 4 6 8 0 00015 * Weight 3 1 3 1 3 1 3 1 3 00016 * Product 9 + 3 + 12 + 5 + 6 + 4 + 18 + 8 + 0 = 65 00017 * 65 / 10 = 6 remainder 5 00018 * Check digit 10 - 5 = 5 00019 * => M-3452-4680-5 00020 * 00021 * ISMN 9 7 9 0 3 4 5 2 4 6 8 0 00022 * Weight 1 3 1 3 1 3 1 3 1 3 1 3 00023 * Product 9 + 21 + 9 + 0 + 3 + 12 + 5 + 6 + 4 + 18 + 8 + 0 = 95 00024 * 95 / 10 = 9 remainder 5 00025 * Check digit 10 - 5 = 5 00026 * => 979-0-3452-4680-5 00027 * 00028 * Since mod10(9*1 + 7*3 + 9*1 + 0*3) = mod10(M*3) = mod10(3*3) = 9; the check digit remains the same. 00029 * 00030 */ 00031 00032 /* where the digit set begins, and how many of them are in the table */ 00033 const unsigned ISMN_index[10][2] = { 00034 {0, 5}, 00035 {5, 0}, 00036 {5, 0}, 00037 {5, 0}, 00038 {5, 0}, 00039 {5, 0}, 00040 {5, 0}, 00041 {5, 0}, 00042 {5, 0}, 00043 {5, 0}, 00044 }; 00045 const char *ISMN_range[][2] = { 00046 {"0-000", "0-099"}, 00047 {"0-1000", "0-3999"}, 00048 {"0-40000", "0-69999"}, 00049 {"0-700000", "0-899999"}, 00050 {"0-9000000", "0-9999999"}, 00051 {NULL, NULL} 00052 };
1.7.1