1 files changed, 118 insertions, 0 deletions
diff --git a/pkg/xtools/icfit/icgparams.gx b/pkg/xtools/icfit/icgparams.gx
new file mode 100644
index 00000000..c63657e3
--- /dev/null
+++ b/pkg/xtools/icfit/icgparams.gx
@@ -0,0 +1,118 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<pkg/gtools.h>
+include	"icfit.h"
+include	"names.h"
+
+# ICG_PARAMS -- Set parameter string.
+
+procedure icg_params$t (ic, cv, x, y, wts, npts, gt)
+
+pointer	ic		# ICFIT pointer
+pointer	cv		# Curfit pointer
+PIXEL	x[ARB]		# Ordinates
+PIXEL	y[ARB]		# Abscissas
+PIXEL	wts[ARB]	# Weights
+int	npts		# Number of data points
+pointer	gt		# GTOOLS pointer
+
+int	i, n, deleted
+PIXEL	rms
+pointer	sp, fit, wts1, str, params
+
+PIXEL	ic_rms$t()
+
+begin
+	call smark (sp)
+
+	n = IC_NFIT(ic)
+	deleted = 0
+	rms = INDEF
+
+	if (n == npts) {
+	    # Allocate memory for the fit.
+
+	    call salloc (fit, n, TY_PIXEL)
+	    call salloc (wts1, n, TY_PIXEL)
+
+	    # Eliminate rejected points and count deleted points.
+
+	    call amov$t (wts, Mem$t[wts1], n)
+	    if (IC_NREJECT(ic) > 0) {
+		do i = 1, npts {
+		    if (Memi[IC_REJPTS(ic)+i-1] == YES)
+			Mem$t[wts1+i-1] = 0.
+		}
+	    }
+	    deleted = 0
+	    do i = 1, n {
+		if (wts[i] == 0.)
+		    deleted = deleted + 1
+	    }
+
+	    # Set the fit and compute the RMS error.
+
+	    if (IC_FITERROR(ic) == NO) {
+	        call $tcvvector (cv, x, Mem$t[fit], n)
+	        rms = ic_rms$t (x, y, Mem$t[fit], Mem$t[wts1], n)
+	    } else
+		rms = INDEF
+	} else if (n > 0) {
+	    # Allocate memory for the fit.
+
+	    call salloc (fit, n, TY_PIXEL)
+	    call salloc (wts1, n, TY_PIXEL)
+
+	    # Eliminate rejected points and count deleted points.
+
+	    call amov$t (Mem$t[IC_WTSFIT(ic)], Mem$t[wts1], n)
+	    if (IC_NREJECT(ic) > 0) {
+	        do i = 1, npts {
+		    if (Memi[IC_REJPTS(ic)+i-1] == YES)
+			Mem$t[wts1+i-1] = 0.
+		}
+	    }
+	    deleted = 0
+	    do i = 1, n {
+		if (wts[i] == 0.)
+		    deleted = deleted + 1
+	    }
+
+	    # Set the fit and compute the rms error.
+
+	    if (IC_FITERROR(ic) == NO) {
+	        call $tcvvector (cv, Mem$t[IC_XFIT(ic)], Mem$t[fit], n)
+	        rms = ic_rms$t (Mem$t[IC_XFIT(ic)], Mem$t[IC_YFIT(ic)],
+		    Mem$t[fit], Mem$t[wts1], n)
+	    } else
+		rms = INDEF
+	}
+
+	# Print the parameters and errors.
+
+	call salloc (str, SZ_LINE, TY_CHAR)
+	call salloc (params, 2*SZ_LINE, TY_CHAR)
+
+	call sprintf (Memc[str], SZ_LINE,
+	    "func=%s, order=%d, low_rej=%r, high_rej=%r, niterate=%d, grow=%r")
+	    call ic_gstr (ic, "function", Memc[params], 2*SZ_LINE)
+	    call pargstr (Memc[params])
+	    call pargi (IC_ORDER(ic))
+	    call pargr (IC_LOW(ic))
+	    call pargr (IC_HIGH(ic))
+	    call pargi (IC_NITERATE(ic))
+	    call pargr (IC_GROW(ic))
+	call sprintf (Memc[params], 2*SZ_LINE,
+	    "%s\ntotal=%d, sample=%d, rejected=%d, deleted=%d, RMS=%7.4g")
+	    call pargstr (Memc[str])
+	    call pargi (npts)
+	    call pargi (n)
+	    call pargi (IC_NREJECT(ic))
+	    call pargi (deleted)
+	    call parg$t (rms)
+	call gt_sets (gt, GTPARAMS, Memc[params])
+
+	# Free allocated memory.
+
+	call sfree (sp)
+end