Re: ROOT Math libraries

use
  -I$ROOTSYS/include/Math

and #include "SpecFuncMathMore.h"

Rene Brun

On Fri, 10 Mar 2006, Oladipo Fadiran
wrote:

> Hi,
> I have no problem running it from the ROOT prompt. I
> load the libMathMore library as you said using
> gSystem. What I need to know is how to include it in a
> stand alone class. What is the gSystem->Load
> equivalent of -I/include when compiling.
> Thanks.
> Dipo.
>
> --- Rene Brun <Rene.Brun_at_cern.ch> wrote:
>
>> You must explicitly link libMathMore or from the
>> ROOT
>> prompt do
>> root > gSystem->Load("libMathMore");
>> root > double r =
>> ROOT::Math::conf_hyperg(1,1,1);
>>
>> Rene
>>
>> On Fri, 10 Mar 2006,
>> Oladipo Fadiran wrote:
>>
>>> Hi,
>>> I have a problem using some of the libraries
>> included
>>> in ROOT.
>>>
>>> I am trying to compile some classes that are
>> loaded in
>>> ROOT sessions. These classes include Math
>> libraries
>>> that come with ROOT. For example, I have suceeded
>> in
>>> compiling a class that contains the following
>> line:
>>> TMath::Gamma(x);
>>> simply by compiling with the include option:
>>> -I$ROOTSYS/include
>>>
>>> I am however having problems doing the same thing
>> with
>>> a class that contains the following for example:
>>> ROOT::Math::conf_hyperg(x,y,z);
>>> I get the error:
>>> "no class template named 'Math' in 'ROOT' "
>>>
>>> Why is it that I can execute the last statement
>> within
>>> a Root session but not include it in a class?
>>> Why does the first example using TMath work but
>> not
>>> the second that uses ROOT::Math?
>>> Does it have something to do with the way Mathcore
>> and
>>> MathMore are included in ROOT?
>>>
>>> The questions may not be in a logical order, or
>> they
>>> may basically be asking the same thing, but I hope
>>> they give the gist of what I need.
>>>
>>> Nick suggested that the complete libMathMore be
>>> included in the ROOT binary like Pythia is for
>>> example, will this solve the problem?, and if it
>> will,
>>> what does it take to get this done?
>>>
>>> Thanks for the help.
>>> Dipo.
>>>
>>>
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>
>
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Received on Fri Mar 10 2006 - 21:10:10 MET