Re: [ROOT] Principal Component Analysis

From: Vaclav Barta (vbar@comp.cz)
Date: Sat Jul 06 2002 - 12:02:09 MEST


Hi,

Rene Brun wrote:
> Yes you are right. I have added this functionality in the development
> version in CVS. You can now use the context menu on any TMatrix or
Thanks! I got the CVS version of ROOT (and run ``./configure linux''
without problems), but it doesn't compile:

g++ -O -pipe -Wall -Woverloaded-virtual -fPIC -Iinclude  -D_REENTRANT -o
base/src/TError.o -c base/src/TError.cxx
In file included from include/TString.h:31,
                 from include/TCollection.h:34,
                 from include/TSeqCollection.h:26,
                 from include/TList.h:26,
                 from include/TNamed.h:29,
                 from include/TSystem.h:34,
                 from base/src/TError.cxx:28:
include/TMath.h:352: parse error before `sizeof'

Funny thing is, there's nothing about sizeof on line 352 of TMath.h:

347: #ifndef R__WIN32
348: #   if !defined(finite) || defined(R__GNU)
349:       extern int finite(double);
350: #   endif
351: #   if !defined(isnan) || defined(R__GNU)
352:        extern int isnan(double);
353: #   endif
354: #endif

Probably some mismatch with the definition of isnan in some header...
I'm using gcc 3.0.3 - are there any known problems with it?

	Bye
		Vasek



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