OpenLibm/slatec/xgetun.f
Viral B. Shah c977aa998f Add Makefile.extras to build libopenlibm-extras.
Replace amos with slatec
2012-12-31 16:37:05 -05:00

38 lines
1.3 KiB
Fortran

*DECK XGETUN
SUBROUTINE XGETUN (IUNIT)
C***BEGIN PROLOGUE XGETUN
C***PURPOSE Return the (first) output file to which error messages
C are being sent.
C***LIBRARY SLATEC (XERROR)
C***CATEGORY R3C
C***TYPE ALL (XGETUN-A)
C***KEYWORDS ERROR, XERROR
C***AUTHOR Jones, R. E., (SNLA)
C***DESCRIPTION
C
C Abstract
C XGETUN gets the (first) output file to which error messages
C are being sent. To find out if more than one file is being
C used, one must use the XGETUA routine.
C
C Description of Parameter
C --Output--
C IUNIT - the logical unit number of the (first) unit to
C which error messages are being sent.
C A value of zero means that the default file, as
C defined by the I1MACH routine, is being used.
C
C***REFERENCES R. E. Jones and D. K. Kahaner, XERROR, the SLATEC
C Error-handling Package, SAND82-0800, Sandia
C Laboratories, 1982.
C***ROUTINES CALLED J4SAVE
C***REVISION HISTORY (YYMMDD)
C 790801 DATE WRITTEN
C 861211 REVISION DATE from Version 3.2
C 891214 Prologue converted to Version 4.0 format. (BAB)
C 920501 Reformatted the REFERENCES section. (WRB)
C***END PROLOGUE XGETUN
C***FIRST EXECUTABLE STATEMENT XGETUN
IUNIT = J4SAVE(3,0,.FALSE.)
RETURN
END