diff options
Diffstat (limited to 'pkg/tbtables/fitsio/ftgacl.f')
-rw-r--r-- | pkg/tbtables/fitsio/ftgacl.f | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/pkg/tbtables/fitsio/ftgacl.f b/pkg/tbtables/fitsio/ftgacl.f new file mode 100644 index 00000000..06387b3e --- /dev/null +++ b/pkg/tbtables/fitsio/ftgacl.f @@ -0,0 +1,70 @@ +C-------------------------------------------------------------------------- + subroutine ftgacl(iunit,colnum,xtype,xbcol,xunit,xform, + & xscal,xzero,xnull,xdisp,status) + +C Get information about an Ascii CoLumn +C returns the parameters which define the column + +C iunit i Fortran i/o unit number +C colnum i number of the column (first column = 1) +C xtype c name of the column +C xbcol i starting character in the row of the column +C xunit c physical units of the column +C xform c Fortran-77 format of the column +C xscal d scaling factor for the column values +C xzero d scaling zero point for the column values +C xnull c value used to represent undefined values in the column +C xdisp c display format for the column (if different from xform +C status i returned error status + + integer iunit,colnum,xbcol,status + double precision xscal,xzero + character*(*) xtype,xunit,xform,xnull,xdisp + +C COMMON BLOCK DEFINITIONS:-------------------------------------------- + integer nf,nb,ne + parameter (nb = 20) + parameter (nf = 3000) + parameter (ne = 200) + integer bufnum,chdu,hdutyp,maxhdu,hdstrt,hdend,nxthdr,dtstrt + integer nxtfld + logical wrmode + common/ft0001/bufnum(199),chdu(nb),hdutyp(nb),maxhdu(nb), + & wrmode(nb),hdstrt(nb,ne),hdend(nb),nxthdr(nb),dtstrt(nb),nxtfld + integer tfield,tstart,tbcol,rowlen,tdtype,trept,tnull,scount + integer theap,nxheap + double precision tscale,tzero + common/ft0002/tfield(nb),tstart(nb),tbcol(nf),rowlen(nb), + & tdtype(nf),trept(nf),tscale(nf),tzero(nf),tnull(nf),scount(nb) + & ,theap(nb),nxheap(nb) + character cnull*16, cform*8 + common/ft0003/cnull(nf),cform(nf) +C END OF COMMON BLOCK DEFINITIONS------------------------------------ + + integer ibuff,nfound + + if (status .gt. 0)return + + if (colnum .lt. 1 .or. colnum .gt. 999)then +C illegal column number + status=302 + return + end if + + ibuff=bufnum(iunit) + +C get the parameters which are stored in the common block + xbcol=tbcol(colnum+tstart(ibuff))+1 + xform=cform(colnum+tstart(ibuff)) + xscal=tscale(colnum+tstart(ibuff)) + xzero=tzero(colnum+tstart(ibuff)) + xnull=cnull(colnum+tstart(ibuff)) + +C read remaining values from the header keywords + xtype=' ' + call ftgkns(iunit,'TTYPE',colnum,1,xtype,nfound,status) + xunit=' ' + call ftgkns(iunit,'TUNIT',colnum,1,xunit,nfound,status) + xdisp=' ' + call ftgkns(iunit,'TDISP',colnum,1,xdisp,nfound,status) + end |