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+/*
+ * ISMN.h
+ * PostgreSQL type definitions for ISNs (ISBN, ISMN, ISSN, EAN13, UPC)
+ *
+ * Information recompiled by Kronuz on November 12, 2004
+ * http://www.ismn-international.org
+ *
+ * IDENTIFICATION
+ * contrib/isn/ISMN.h
+ *
+ * M-3452-4680-5 <=> (0)-3452-4680-5 <=> 0345246805 <=> 9790345246805 <=> 979-0-3452-4680-5
+ *
+ * (M counts as 3)
+ * ISMN M 3 4 5 2 4 6 8 0
+ * Weight 3 1 3 1 3 1 3 1 3
+ * Product 9 + 3 + 12 + 5 + 6 + 4 + 18 + 8 + 0 = 65
+ * 65 / 10 = 6 remainder 5
+ * Check digit 10 - 5 = 5
+ * => M-3452-4680-5
+ *
+ * ISMN 9 7 9 0 3 4 5 2 4 6 8 0
+ * Weight 1 3 1 3 1 3 1 3 1 3 1 3
+ * Product 9 + 21 + 9 + 0 + 3 + 12 + 5 + 6 + 4 + 18 + 8 + 0 = 95
+ * 95 / 10 = 9 remainder 5
+ * Check digit 10 - 5 = 5
+ * => 979-0-3452-4680-5
+ *
+ * Since mod10(9*1 + 7*3 + 9*1 + 0*3) = mod10(M*3) = mod10(3*3) = 9; the check digit remains the same.
+ *
+ */
+
+/* where the digit set begins, and how many of them are in the table */
+const unsigned ISMN_index[10][2] = {
+ {0, 5},
+ {5, 0},
+ {5, 0},
+ {5, 0},
+ {5, 0},
+ {5, 0},
+ {5, 0},
+ {5, 0},
+ {5, 0},
+ {5, 0},
+};
+const char *ISMN_range[][2] = {
+ {"0-000", "0-099"},
+ {"0-1000", "0-3999"},
+ {"0-40000", "0-69999"},
+ {"0-700000", "0-899999"},
+ {"0-9000000", "0-9999999"},
+ {NULL, NULL}
+};