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Re: [DISCUSSION] Add 'complex' datatype, to Value too [message #32918 is a reply to message #32838]

Mon, 20 June 2011 09:36

kohait00 is currently offline

kohait00
Messages: 939
Registered: July 2009
Location: Germany

Experienced Contributor

Quote:

I know it is possible in most cases... But the wrapper has more pros that I forgot to mention. E.g. it is a clean way to "move" complex to Upp namespace... I am too lazy person to type "using std::complex;" every time I want to use it (And hardcoding the using clause into U++ doesn't feel right...)

this is again a base principles decision. why not thinking of complex as 'just another logical type like int or double'. this would relief the namespace boundaries..

i'm not quite familiar with the std::complex implementation, which states to be optimized (through template specialization) for double, int and float..

but as mirek said, i dont mind to use std::complex at all.

again, to make std::complex usable in Value, we'd need to have those (or some related) changes in SetNull behaviour or extend Nuller (which probably is a lot esier.

as of fft: doubtlessly fftw is the fastest implementation and the most versatile. but the api sucks definitely. so it'd be a must to have it as plugin to be able to expose it's c api as C++, thus avoiding LGPL issues. ofcorse static linkage isnt possible then.

EDIT: in case std::complex<>: to write complex<double> each time is cumbersome. a \typedef complex<double> cdouble' and respectively for the others would be good..
typedef

EDIT: no need to derive from complex to pull it into upp namespace. just place the 'typedef std::complex<double> cdouble' in the upp namespace..cdouble is then Upp::cdouble. just tested it.

[Updated on: Mon, 20 June 2011 10:46]

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[Message index]

		[DISCUSSION] Add 'complex' datatype, to Value too By: kohait00 on Fri, 10 June 2011 16:00
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: dolik.rce on Fri, 10 June 2011 22:52
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: kohait00 on Sun, 12 June 2011 09:30
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: Tom1 on Sun, 12 June 2011 18:04
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: koldo on Mon, 13 June 2011 08:47
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: Tom1 on Mon, 13 June 2011 11:20
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: dolik.rce on Mon, 13 June 2011 12:15
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: Tom1 on Mon, 13 June 2011 19:24
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: mirek on Mon, 13 June 2011 20:12
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: dolik.rce on Tue, 14 June 2011 07:44
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: mirek on Tue, 14 June 2011 08:15
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: dolik.rce on Tue, 14 June 2011 08:45
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: kohait00 on Mon, 20 June 2011 09:36
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: kohait00 on Mon, 20 June 2011 13:44
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: kohait00 on Mon, 20 June 2011 14:24
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: kohait00 on Tue, 21 June 2011 19:00
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: kohait00 on Wed, 22 June 2011 13:12
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: mirek on Sat, 25 June 2011 19:48
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: mirek on Sun, 26 June 2011 09:30
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: kohait00 on Sun, 26 June 2011 10:47
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: kohait00 on Sun, 26 June 2011 16:05
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: mirek on Mon, 27 June 2011 18:04
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: kohait00 on Tue, 28 June 2011 09:04
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: mirek on Tue, 28 June 2011 09:16
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: kohait00 on Tue, 28 June 2011 09:22
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: kohait00 on Tue, 05 July 2011 13:28
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: mirek on Wed, 06 July 2011 13:17
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: kohait00 on Wed, 06 July 2011 14:48
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: mirek on Wed, 06 July 2011 17:25
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: kohait00 on Wed, 06 July 2011 17:50
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: mirek on Wed, 06 July 2011 19:02
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: mirek on Wed, 06 July 2011 19:03
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: mirek on Wed, 06 July 2011 19:31
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: kohait00 on Wed, 06 July 2011 21:48
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: unknown user on Wed, 06 July 2011 23:23
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: kohait00 on Wed, 06 July 2011 23:38
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: Zbych on Wed, 06 July 2011 22:19
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: mirek on Thu, 07 July 2011 08:19
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: kohait00 on Thu, 07 July 2011 08:23
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: mirek on Thu, 07 July 2011 17:40
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: kohait00 on Mon, 25 July 2011 10:41
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: mirek on Sat, 30 July 2011 10:11
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: kohait00 on Sun, 31 July 2011 15:41
		Re: [DISCUSSION] Add 'complex' datatype, to Value too By: koldo on Mon, 01 August 2011 09:50

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