| author | wenzelm |
| Sat, 24 Nov 2001 17:21:47 +0100 | |
| changeset 12294 | 2ef49890aede |
| parent 11194 | ea13ff5a26d1 |
| child 13786 | ab8f39f48a6f |
| permissions | -rw-r--r-- |
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(* Title: HOL/UNITY/AllocBase.thy |
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ID: $Id$ |
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Author: Lawrence C Paulson, Cambridge University Computer Laboratory |
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Copyright 1998 University of Cambridge |
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Common declarations for Chandy and Charpentier's Allocator |
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*) |
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AllocBase = Rename + Follows + |
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consts |
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NbT :: nat (*Number of tokens in system*) |
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Nclients :: nat (*Number of clients*) |
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rules |
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NbT_pos "0 < NbT" |
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(*This function merely sums the elements of a list*) |
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consts tokens :: nat list => nat |
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primrec |
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"tokens [] = 0" |
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"tokens (x#xs) = x + tokens xs" |
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consts |
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bag_of :: 'a list => 'a multiset |
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primrec |
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"bag_of [] = {#}"
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"bag_of (x#xs) = {#x#} + bag_of xs"
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end |