Parentheses

From: Marcus.Fuerstner@cern.ch
Date: Tue Jan 22 2008 - 11:18:38 CET

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    Dear Fluka users,
     

    While debugging with FLUKA (version 2006.3b.8) a geometry with
    parentheses I encountered the following problem:

     

    The attached input file simple.new.inp (created with flair 0.6.2)
    contains the following bodies:

    A -> ZCC cylinder, R = 5 cm
    B -> ZCC cylinder, R = 2 cm
    C -> XYP plane, z = 1 cm
    D -> XYP plane, z = 2 cm

    Defining a region with parentheses such as

    TUBE + ( +A -B -C ) +D
    results in the following region definition in the output file

    TUBE 5 + A + D - B

    and is causing debugging errors. Other region definitions such as

    TUBE +A -B -C +D or TUBE +D +( +A -B -C )

    are processed correctly.

     

    It seems that the first region definition is not resolved correctly.

     

    Best regards,
    Markus

     

    _______________________________________________________

    Markus Fuerstner

    CERN/SC-RP - European Organization for Nuclear Research
    1211 Geneva 23, Switzerland

    Building: 892
    Office: 2-A14
    Phone: +41 22 767 4782
    e-mail: Markus.Fuerstner@cern.ch

     



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