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-rw-r--r--pkg/xtools/icfit/icgparamsd.x118
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+# 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