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Re: [offtopic] STL complex design question
- To: nbecker at fred dot net
- Subject: Re: [offtopic] STL complex design question
- From: Noel Yap <nyap at garban dot com>
- Date: Thu, 20 Aug 1998 07:39:44 -0400
- CC: egcs at cygnus dot com
- Organization: Garban LLC
- References: <E0z97Tr-00018I-00@hns.com>
nbecker@fred.net wrote:
>
> I do a lot of numerical computation. I like to use the complex<>
> class. The STL specifies a default constructor, which will set a
> complex element to zero. This means that anytime a large complex
> array is needed (for example, enters local scope), the whole thing
> will always be zeroed.
>
> In my opinion, this is a bad idea. It's potentially a waste of CPU
> time, and as far as I know there's no good way to avoid it.
>
> Any thoughts?
Have an array of pointers to complex instead of an array of complex --
automatic constructor calls are one of the things I hate most about C++.
Noel