From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=unavailable autolearn_force=no version=3.4.4 Path: border1.nntp.dca3.giganews.com!border3.nntp.dca.giganews.com!border1.nntp.dca.giganews.com!nntp.giganews.com!newsfeed.hal-mli.net!feeder3.hal-mli.net!newsfeed.hal-mli.net!feeder1.hal-mli.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.freenet.ag!takemy.news.telefonica.de!telefonica.de!newsfeed.arcor.de!newsspool4.arcor-online.net!news.arcor.de.POSTED!not-for-mail Date: Fri, 30 Aug 2013 16:45:57 +0200 From: "G.B." User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:17.0) Gecko/20130801 Thunderbird/17.0.8 MIME-Version: 1.0 Newsgroups: comp.lang.ada Subject: Re: Ada.Containers.Hash_Type -> 64 bit References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Message-ID: <5220afe9$0$6637$9b4e6d93@newsspool2.arcor-online.net> Organization: Arcor NNTP-Posting-Date: 30 Aug 2013 16:44:57 CEST NNTP-Posting-Host: d1254ba6.newsspool2.arcor-online.net X-Trace: DXC=gL@:f0:ELcOj7E:bke<5HFA9EHlD; 3YcB4Fo<]lROoRA8kFJLh>_cHTX3jMV54EJV=BYIC X-Complaints-To: usenet-abuse@arcor.de X-Original-Bytes: 1726 Xref: number.nntp.dca.giganews.com comp.lang.ada:183224 Date: 2013-08-30T16:44:57+02:00 List-Id: On 30.08.13 16:32, Peter Brooks wrote: > Ada.Strings.Hash defines Ada.Containers.Hash_Type as 32 bits long. How can I increase it to 64 bits? > I suspect you can't since Hash_Type is implementation-defined. (Implying that you'd have to change, or at least check, the implementation of everything involving Hash_Type.) A quirky workaround might be to use two hash tables, one for the upper quadword, and one for the lower. But the standard containers aren't made for speed, anyway; if that's the goal, I'd look elsewhere.