1 files changed, 72 insertions, 0 deletions
diff --git a/noao/astutil/pdm/t_pdm.x b/noao/astutil/pdm/t_pdm.x
new file mode 100644
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+++ b/noao/astutil/pdm/t_pdm.x
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+
+include <ctype.h>
+include <error.h>
+include <mach.h>
+include "pdm.h"
+
+# PDM -- Phase Dispersion Minimization.  Find periodicities in light
+# curve data. Root program.
+
+procedure t_pdm()
+
+char	infile[SZ_FNAME]		# input data file
+char	metafile[SZ_FNAME]		# batch metafile
+char	batchfile[SZ_FNAME]		# batch log file
+char	device[SZ_FNAME]		# plot device
+bool	interactive			# interactive or batch flag
+bool	autoranges			# autoranges flag
+
+int	ptype				# plot type
+pointer	pdmp, pdm_open()		# structure stuff
+bool	flip, clgetb()
+real	clgetr()
+int	clgeti(), pdm_gdata(), pdm_autorang()
+errchk	pdm_open, pdm_autorang, pdm_batch, pdm_cursor
+
+begin
+	# Get some of the CL parameters and open the pdm data structure.
+	call clgstr ("infiles", infile, SZ_FNAME)
+	call clgstr ("metafile", metafile, SZ_FNAME)
+	call clgstr ("batchfile", batchfile, SZ_FNAME)
+	call clgstr ("device", device, SZ_FNAME)
+	interactive = clgetb ("interactive")
+	flip = clgetb ("flip")
+	pdmp = pdm_open (device, batchfile, metafile, interactive)
+
+	# Clio to get more parameters.
+	PDM_PMIN(pdmp) = double(clgetr ("minp"))
+	call clputr ("minp", real(PDM_PMIN(pdmp)))
+	if (PDM_PMIN(pdmp) > EPSILOND)
+	    PDM_FMAX(pdmp) = 1.0d+0/PDM_PMIN(pdmp)
+	else
+	    PDM_FMAX(pdmp) = 0.0d+0
+	PDM_PMAX(pdmp) = double(clgetr ("maxp"))
+	call clputr ("maxp", real(PDM_PMAX(pdmp)))
+	if (PDM_PMAX(pdmp) > EPSILOND)
+	    PDM_FMIN(pdmp) = 1.0d+0/PDM_PMAX(pdmp)
+	else
+	    PDM_FMIN(pdmp) = 0.0d+0
+	PDM_NTHPT(pdmp) = clgeti ("ntheta")
+	autoranges = clgetb ("autoranges")
+	PDM_NSIGMA(pdmp) = double(clgetr ("nsigma"))
+	PDM_PLUSPOINT(pdmp) = clgeti ("pluspoint")
+
+	# Read in the data.
+	PDM_NPT(pdmp) = pdm_gdata (pdmp, infile)
+
+	# If the autoranges flag is set, call the autorange subroutine.
+	if (autoranges)
+	    PDM_NRANGE(pdmp) = pdm_autorang (pdmp)
+
+	if (!interactive)
+	    call pdm_batch (pdmp, batchfile, infile, flip)
+	else {
+	    # Plot the data on the screen and call the cursor loop. 
+	    call pdm_dplot (pdmp, infile, flip)
+	    ptype = DATAPLOT
+	    call pdm_cursor(pdmp, ptype, infile, flip)
+	}
+
+	# Close the pdm data structure.
+	call pdm_close (pdmp, interactive)
+end