From 40e5a5811c6ffce9b0974e93cdd927cbcf60c157 Mon Sep 17 00:00:00 2001 From: Joe Hunkeler Date: Tue, 11 Aug 2015 16:51:37 -0400 Subject: Repatch (from linux) of OSX IRAF --- sys/gio/ncarutil/autograph/agdlch.f | 60 +++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 sys/gio/ncarutil/autograph/agdlch.f (limited to 'sys/gio/ncarutil/autograph/agdlch.f') diff --git a/sys/gio/ncarutil/autograph/agdlch.f b/sys/gio/ncarutil/autograph/agdlch.f new file mode 100644 index 00000000..78a96c8f --- /dev/null +++ b/sys/gio/ncarutil/autograph/agdlch.f @@ -0,0 +1,60 @@ +C +C +C +-----------------------------------------------------------------+ +C | | +C | Copyright (C) 1986 by UCAR | +C | University Corporation for Atmospheric Research | +C | All Rights Reserved | +C | | +C | NCARGRAPHICS Version 1.00 | +C | | +C +-----------------------------------------------------------------+ +C +C +C --------------------------------------------------------------------- +C + SUBROUTINE AGDLCH (IDCS) +C +C This routine deletes character strings previously stored by the +C routine AGSTCH (which see). It has the following argument: +C +C -- IDCS is the identifying integer returned by AGSTCH when the string +C was stored. +C +C The following common blocks contain variables which are required for +C the character-storage-and-retrieval scheme of AUTOGRAPH. +C + COMMON /AGCHR1/ LNIC,INCH(2,50),LNCA,INCA +C + COMMON /AGCHR2/ CHRA(2000) +C + CHARACTER*1 CHRA +C +C Only if the identifier is between -LNIC and -1, inclusive, was the +C string ever stored, so that it needs to be deleted. If the string is +C the last one in CHRA, we can just set INCA to point to the position +C preceding it; otherwise, we zero out the string but don't bother to +C collapse CHRA, which will happen in AGSTCH when the space is needed +C again. In either case, the index entry in INCH is zeroed. +C + IF (IDCS.GE.(-LNIC).AND.IDCS.LE.(-1)) THEN + I=-IDCS + J=INCH(1,I) + IF (J.GT.0) THEN + K=J+INCH(2,I)-1 + IF (K.EQ.INCA) THEN + INCA=J-1 + ELSE + DO 101 L=J,K + CHRA(L)=CHAR(0) + 101 CONTINUE + END IF + INCH(1,I)=0 + END IF + END IF +C +C Done. +C + RETURN +C + END -- cgit