Initial commit

1 files changed, 94 insertions, 0 deletions

diff --git a/noao/imred/dtoi/hdicfit/hdicclean.x b/noao/imred/dtoi/hdicfit/hdicclean.x
new file mode 100644
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--- /dev/null
+++ b/noao/imred/dtoi/hdicfit/hdicclean.x
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+include <pkg/rg.h>
+include	"hdicfit.h"
+
+# IC_CLEAN -- Replace rejected points by the fitted values.
+
+procedure ic_cleand (ic, cv, x, y, w, npts)
+
+pointer	ic				# ICFIT pointer
+pointer	cv				# Curfit pointer
+double	x[ARB]				# Ordinates
+double	y[ARB]				# Abscissas
+double	w[ARB]				# Weights
+int	npts				# Number of points
+
+int	i, nclean, newreject
+pointer	sp, xclean, yclean, wclean
+double	dcveval()
+
+begin
+	if ((IC_LOW(ic) == 0.) && (IC_HIGH(ic) == 0.))
+	    return
+
+	# If there has been no subsampling and no sample averaging then the
+	# IC_REJPTS(ic) array already contains the rejected points.
+
+	if (npts == IC_NFIT(ic)) {
+	    if (IC_NREJECT(ic) > 0) {
+	        do i = 1, npts {
+		    if (Memi[IC_REJPTS(ic)+i-1] == YES)
+		        y[i] = dcveval (cv, x[i])
+	        }
+	    }
+
+	# If there has been no sample averaging then the rejpts array already
+	# contains indices into the subsampled array.
+
+	} else if (abs(IC_NAVERAGE(ic)) == 1) {
+	    if (IC_NREJECT(ic) > 0) {
+	        do i = 1, npts {
+		    if (Memi[IC_REJPTS(ic)+i-1] == YES)
+			Memd[IC_YFIT(ic)+i-1] =
+			    dcveval (cv, Memd[IC_XFIT(ic)+i-1])
+		}
+	    }
+	    call rg_unpackd (IC_RG(ic), Memd[IC_YFIT(ic)], y)
+
+	# Because ic_fit rejects points from the fitting data which
+	# has been sample averaged the rejpts array refers to the wrong data.
+	# Do the cleaning using ic_deviant to find the points to reject.
+
+	} else if (RG_NPTS(IC_RG(ic)) == npts) {
+	    call amovki (NO, Memi[IC_REJPTS(ic)], npts)
+	    call ic_deviantd (cv, x, y, w, Memi[IC_REJPTS(ic)], npts,
+		IC_LOW(ic), IC_HIGH(ic), IC_GROW(ic), NO, IC_NREJECT(ic),
+		newreject)
+	    if (IC_NREJECT(ic) > 0) {
+	        do i = 1, npts {
+		    if (Memi[IC_REJPTS(ic)+i-1] == YES)
+			y[i] = dcveval (cv, x[i])
+		}
+	    }
+
+	# If there is subsampling then allocate temporary arrays for the
+	# subsample points.
+
+	} else {
+	    call smark (sp)
+
+	    nclean = RG_NPTS(IC_RG(ic))
+	    call salloc (xclean, nclean, TY_DOUBLE)
+	    call salloc (yclean, nclean, TY_DOUBLE)
+	    call salloc (wclean, nclean, TY_DOUBLE)
+
+	    call rg_packd (IC_RG(ic), x, Memd[xclean])
+	    call rg_packd (IC_RG(ic), y, Memd[yclean])
+	    call rg_packd (IC_RG(ic), w, Memd[wclean])
+	    call amovki (NO, Memi[IC_REJPTS(ic)], npts)
+
+	    call ic_deviantd (cv, Memd[xclean], Memd[yclean],
+		Memd[wclean], Memi[IC_REJPTS(ic)], nclean, IC_LOW(ic),
+		IC_HIGH(ic), IC_GROW(ic), NO, IC_NREJECT(ic), newreject)
+
+	    if (IC_NREJECT(ic) > 0) {
+	        do i = 1, npts {
+		    if (Memi[IC_REJPTS(ic)+i-1] == YES)
+			Memd[yclean+i-1] = dcveval (cv, Memd[xclean+i-1])
+		}
+	    }
+	    call rg_unpackd (IC_RG(ic), Memd[yclean], y)
+
+	    call sfree (sp)
+	}
+end
+