From fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 Mon Sep 17 00:00:00 2001
From: Joseph Hunkeler <jhunkeler@gmail.com>
Date: Wed, 8 Jul 2015 20:46:52 -0400
Subject: Initial commit

---
 pkg/xtools/icfit/icgparamsd.x | 118 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 pkg/xtools/icfit/icgparamsd.x

(limited to 'pkg/xtools/icfit/icgparamsd.x')

diff --git a/pkg/xtools/icfit/icgparamsd.x b/pkg/xtools/icfit/icgparamsd.x
new file mode 100644
index 00000000..de9397ab
--- /dev/null
+++ b/pkg/xtools/icfit/icgparamsd.x
@@ -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_paramsd (ic, cv, x, y, wts, npts, gt)
+
+pointer	ic		# ICFIT pointer
+pointer	cv		# Curfit pointer
+double	x[ARB]		# Ordinates
+double	y[ARB]		# Abscissas
+double	wts[ARB]	# Weights
+int	npts		# Number of data points
+pointer	gt		# GTOOLS pointer
+
+int	i, n, deleted
+double	rms
+pointer	sp, fit, wts1, str, params
+
+double	ic_rmsd()
+
+begin
+	call smark (sp)
+
+	n = IC_NFIT(ic)
+	deleted = 0
+	rms = INDEFD
+
+	if (n == npts) {
+	    # Allocate memory for the fit.
+
+	    call salloc (fit, n, TY_DOUBLE)
+	    call salloc (wts1, n, TY_DOUBLE)
+
+	    # Eliminate rejected points and count deleted points.
+
+	    call amovd (wts, Memd[wts1], n)
+	    if (IC_NREJECT(ic) > 0) {
+		do i = 1, npts {
+		    if (Memi[IC_REJPTS(ic)+i-1] == YES)
+			Memd[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 dcvvector (cv, x, Memd[fit], n)
+	        rms = ic_rmsd (x, y, Memd[fit], Memd[wts1], n)
+	    } else
+		rms = INDEFD
+	} else if (n > 0) {
+	    # Allocate memory for the fit.
+
+	    call salloc (fit, n, TY_DOUBLE)
+	    call salloc (wts1, n, TY_DOUBLE)
+
+	    # Eliminate rejected points and count deleted points.
+
+	    call amovd (Memd[IC_WTSFIT(ic)], Memd[wts1], n)
+	    if (IC_NREJECT(ic) > 0) {
+	        do i = 1, npts {
+		    if (Memi[IC_REJPTS(ic)+i-1] == YES)
+			Memd[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 dcvvector (cv, Memd[IC_XFIT(ic)], Memd[fit], n)
+	        rms = ic_rmsd (Memd[IC_XFIT(ic)], Memd[IC_YFIT(ic)],
+		    Memd[fit], Memd[wts1], n)
+	    } else
+		rms = INDEFD
+	}
+
+	# 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 pargd (rms)
+	call gt_sets (gt, GTPARAMS, Memc[params])
+
+	# Free allocated memory.
+
+	call sfree (sp)
+end
-- 
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