A.3.3 Floating point exception control

The source for the fpectl module includes the following notice:

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    /                       Copyright (c) 1996.                           \ 
   |          The Regents of the University of California.                 |
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   |   This  work was produced at the University of California, Lawrence   |
   |   Livermore National Laboratory under  contract  no.  W-7405-ENG-48   |
   |   between  the  U.S.  Department  of  Energy and The Regents of the   |
   |   University of California for the operation of UC LLNL.              |
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