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From: | Charles Krug <charles AT mail DOT pentek DOT com> |
Newsgroups: | comp.lang.c++,comp.os.msdos.djgpp |
Subject: | Re: How to implement "They are all Vectors, but different realities?" |
Date: | Thu, 21 Jan 1999 09:55:51 -0500 |
Organization: | Pentek Corporation |
Lines: | 28 |
Message-ID: | <36A73FF7.8B9C1DB2@mail.pentek.com> |
References: | <36A68B87 DOT FFBA110C AT ohriki DOT t DOT u-tokyo DOT ac DOT jp> |
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To: | djgpp AT delorie DOT com |
DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
Reply-To: | djgpp AT delorie DOT com |
Shue-Cheng CHEN wrote: > Hi! > > We know "Force" and "Velocity" are both "Vectors" in mathematics, so > I defined them to own all behaviors and data of Vector (has been defined), > without duplicating the code, as follows, First, look into valarray<T> from the standard library. That should have the Vector functions you need to do vector math. From that, simply use: class Force : public valarray { ; } class Velocity : public valarray } ; } That way, if you attempt to mix Force and Velocity, the compiler will complain. Charles
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