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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include <pmset.h>
include <plio.h>
# PM_SECTNOTCONST -- Test whether the indicated mask image section is constant,
# i.e., all the mask pixels therein are set to the same value. If so, return
# the mask value as an output argument.
bool procedure pm_sectnotconst (pl, vs, ve, ndim, mval)
pointer pl #I mask descriptor
long vs[PM_MAXDIM] #I starting coordinates of section
long ve[PM_MAXDIM] #I ending coordinates of section
int ndim #I dimension of section
int mval #O mask value
bool pl_sectnotconst()
include "pmio.com"
begin
if (PM_MAPXY(pl) == YES) {
call amovkl ( 1, v1, PM_MAXDIM)
call amovl (vs, v1, ndim)
call imaplv (PM_REFIM(pl), v1, v2, PM_MAXDIM)
call amovkl ( 1, v3, PM_MAXDIM)
call amovl (ve, v3, ndim)
call imaplv (PM_REFIM(pl), v3, v4, PM_MAXDIM)
return (pl_sectnotconst (pl, v2, v4, PM_MAXDIM, mval))
} else
return (pl_sectnotconst (pl, vs, ve, ndim, mval))
end
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