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Jeg er ved at lave et bibliotek, der kan håndtere vektorer i et rum med periodiske randbetingelser. Det er en længere smøre, men pointen er at jeg laver en template på følgende form template<double Laengde, int Dimensioner> class vektor{ double x[Dimensioner]; void checkboundaries; ........... } Men hvad nu hvis jeg definerer 1000 vektorer. main{ vektor <3.1415, 2> x[1000]; }; Hvor mange gange bliver tallet 3,1415 så lagret i hukommelsen? Compiler programmet den kun klassen en gang? Hvad hvis man laver en for-løkke, der genererer temporære vektorer med varierende Dimensioner og længder?
--- Begin Message ---
- To: sslug@sslug
- Subject: failure notice
- From: sslug@sslug
- Date: 23 Mar 1999 10:33:07 -0000
Hi. This is the qmail-send program at sslug.dk. I'm afraid I wasn't able to deliver your message to the following addresses. This is a permanent error; I've given up. Sorry it didn't work out. <sslug@sslug>: sslug@sslug er ikke tilmeldt SSLUG - vi accepterer kun beskeder fra tilmeldte adresser. Se http://www.sslug.dk/antispam.html --- Below this line is a copy of the message. Return-Path: <sslug@sslug> Received: (qmail 15931 invoked by uid 9); 23 Mar 1999 10:33:07 -0000 To: sslug@sslug Path: not-for-mail From: gnalle <sslug@sslug> Newsgroups: sslug.cprog Subject: compilering af templates Date: Tue, 23 Mar 1999 11:33:06 +0100 Organization: RUC Lines: 19 Message-ID: <sslug@sslug> NNTP-Posting-Host: carid.ruc.dk Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Mailer: Mozilla 4.08 [en] (X11; I; Linux 2.0.34 i686) Jeg er ved at lave et bibliotek, der kan håndtere vektorer i et rum med periodiske randbetingelser. Det er en længere smøre, men pointen er at jeg laver en template på følgende form template<double Laengde, int Dimensioner> class vektor{ double x[Dimensioner]; void checkboundaries; ........... } Men hvad nu hvis jeg definerer 1000 vektorer. main{ vektor <3.1415, 2> x[1000]; }; Hvor mange gange bliver tallet 3,1415 så lagret i hukommelsen? Compiler den kun klassen en gang?
--- End Message ---
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