Hi,

f2py is technically part of numpy.
This is the reason why we mention numpy since this is the easiest way to install f2py.

Cheers,

Olivier

> On Sep 26, 2016, at 10:21, Ramkrishna <email address hidden> wrote:
> 
> Thanks Olivier & Valentin.
> 
> Yes, it was not working because on my cluster f2py is not there. It
> worked in my pc when I installed f2py.
> 
> A suggestion:  In option 5 you should also mention about f2py. Like:
> 
>      5. Add weights to events for different model hypothesis: reweight
> = Not available (requires NumPy & f2py)
> 
> --
> You received this bug notification because you are subscribed to
> MadGraph5_aMC@NLO.
> https://bugs.launchpad.net/bugs/1627513
> 
> Title:
>  reweight module not enabling in version 2_5_0_beta2
> 
> Status in MadGraph5_aMC@NLO:
>  New
> 
> Bug description:
>  Hi,
> 
>  I am trying to enable the reweight module in MadGraph version
>  2_5_0_beta2 but I am not able to do so.
> 
>  I tried to enter the two commands to do, without success. Below I am
>  pasting the full output of it.
> 
>  ===============================================================
>  The following switches determine which programs are run:
>  /--------------------------------------------------------------------------------------------------\
>  |  1. Choose the shower/hadronization program:                           shower = Not installed    |
>  |  2. Choose the detector simulation program:                          detector = Not installed    |
>  |  3. Run an analysis package on the events generated:                 analysis = No analysis tool interfaced to MG5aMC.|
>  |  4. Decay particles with the MadSpin module:                          madspin = OFF              |
>  |  5. Add weights to events for different model hypothesis:            reweight = Not available (requires NumPy)|
>  \--------------------------------------------------------------------------------------------------/
>    Either type the switch number (1 to 5) to change its setting,
>    Set any switch explicitly (e.g. type 'madspin=ON' at the prompt)
>    Type 'help' for the list of all valid option
>    Type '0', 'auto', 'done' or just press enter when you are done.
>   [0, auto, done, madspin=ON, madspin=OFF, madspin, parton, 3][60s to answer]
>> 5
>  5 not valid argument. Valid argument are in (auto,done,madspin=ON,madspin=OFF,madspin,parton,0,3).
>  please retry
>> reweight = ON
>  reweight = ON not valid argument. Valid argument are in (auto,done,madspin=ON,madspin=OFF,madspin,parton,0,3).
>  please retry
>> help
>  Here is the list of all valid options:
>    auto
>    done
>    madspin=ON
>    madspin=OFF
>    madspin
>    parton
>    0
>    3
>  Here is the list of command available:
>    help
> 
>  ==========================================================
> 
>  So, I see that reweight command is also not shown in the help command
>  list. Is it a bug or I need to something else to enable the reweight
>  cards. Also, I checked and see that NumPy is there which is required
>  by the reweight module. So, I think it should not give me this.
> 
>  Please suggest how I can fix this?
> 
>  with regards,
>  Ram
> 
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