 
      SUBROUTINE XSETUA(IUNIT,N)
C***BEGIN PROLOGUE  XSETUA
C***DATE WRITTEN   790801   (YYMMDD)
C***REVISION DATE  820801   (YYMMDD)
C***CATEGORY NO.  R3B
C***KEYWORDS  ERROR,XERROR PACKAGE
C***AUTHOR  JONES, R. E., (SNLA)
C***PURPOSE  Sets up to 5 unit numbers to which messages are to be sent
C***DESCRIPTION
C
C     Abstract
C        XSETUA may be called to declare a list of up to five
C        logical units, each of which is to receive a copy of
C        each error message processed by this package.
C        The purpose of XSETUA is to allow simultaneous printing
C        of each error message on, say, a main output file,
C        an interactive terminal, and other files such as graphics
C        communication files.
C
C     Description of Parameters
C      --Input--
C        IUNIT - an array of up to five unit numbers.
C                Normally these numbers should all be different
C                (but duplicates are not prohibited.)
C        N     - the number of unit numbers provided in IUNIT
C                must have 1 .LE. N .LE. 5.
C
C     Written by Ron Jones, with SLATEC Common Math Library Subcommittee
C     Latest revision --- 23 may 1979
C***REFERENCES  JONES R.E., *SLATEC COMMON MATHEMATICAL LIBRARY ERROR
C                 HANDLING PACKAGE*, SAND78-1189, SANDIA LABORATORIES,
C                 1978.
C***ROUTINES CALLED  J4SAVE,XERRWV
C***END PROLOGUE  XSETUA
 
 
