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include <pkg/gtools.h>
include <math/nlfit.h>
include <pkg/inlfit.h>
# ING_PARAMS -- Set parameter string.
procedure ing_paramsd (in, nl, x, y, wts, npts, nvars, gt)
pointer in # INLFIT pointer
pointer nl # NLFIT pointer
double x[ARB] # Ordinates (npts * nvars)
double y[ARB] # Abscissas
double wts[ARB] # Weights
int npts # Number of data points
int nvars # Number of variables
pointer gt # GTOOLS pointer
int i, rejected, deleted, length
int len3, len4
double rms
pointer sp, fit, wts1, rejpts
pointer str1, str2, str3, str4, line
int strlen()
int nlstati()
int inlstrwrd()
int in_geti()
double nlstatd()
double in_rmsd()
double in_getd()
pointer in_getp()
begin
# Allocate memory
call smark (sp)
call salloc (fit, npts, TY_DOUBLE)
call salloc (wts1, npts, TY_DOUBLE)
call salloc (str1, SZ_LINE, TY_CHAR)
call salloc (str2, SZ_LINE, TY_CHAR)
call salloc (str3, SZ_LINE, TY_CHAR)
call salloc (str4, SZ_LINE, TY_CHAR)
# Mark rejected points as deleted for rms comnputation,
# and count number of deleted points.
call amovd (wts, Memd[wts1], npts)
rejected = in_geti (in, INLNREJPTS)
rejpts = in_getp (in, INLREJPTS)
if (rejected > 0) {
do i = 1, npts {
if (Memi[rejpts+i-1] == YES)
Memd[wts1+i-1] = double (0.0)
}
}
deleted = 0
do i = 1, npts {
if (wts[i] == double (0.0))
deleted = deleted + 1
}
# Set the fit and compute the RMS error.
if (in_geti (in, INLFITERROR) == DONE) {
call nlvectord (nl, x, Memd[fit], npts, nvars)
rms = in_rmsd (y, Memd[fit], Memd[wts1], npts)
} else
rms = INDEFD
# Build interactive graphics and NLFIT parameter strings
call sprintf (Memc[str1], SZ_LINE,
#"low_rej=%7.4g, high_rej=%7.4g, nreject=%d, grow=%7.4g")
"low_rej=%.4g, high_rej=%.4g, nreject=%d, grow=%.4g")
call pargd (in_getd (in, INLLOW))
call pargd (in_getd (in, INLHIGH))
call pargi (in_geti (in, INLNREJECT))
call pargd (in_getd (in, INLGROW))
call sprintf (Memc[str2], SZ_LINE,
#"total=%d, rejected=%d, deleted=%d, RMS=%7.4g")
"total=%d, rejected=%d, deleted=%d, RMS=%.4g")
call pargi (npts)
call pargi (rejected)
call pargi (deleted)
call pargd (rms)
call sprintf (Memc[str3], SZ_LINE,
#"tolerance=%7.4g, maxiter=%d, iterations=%d")
"tolerance=%.4g, maxiter=%d, iterations=%d")
call pargd (nlstatd (nl, NLTOL))
call pargi (nlstati (nl, NLITMAX))
call pargi (nlstati (nl, NLITER))
# Set the output parameter line.
length = strlen (Memc[str1]) + strlen (Memc[str2]) +
strlen (Memc[str3]) + 3
call salloc (line, length + 1, TY_CHAR)
call sprintf (Memc[line], length, "%s\n%s\n%s")
call pargstr (Memc[str1])
call pargstr (Memc[str2])
call pargstr (Memc[str3])
call gt_sets (gt, GTPARAMS, Memc[line])
# Get the error and function label strings.
call nlerrmsg (in_geti (in, INLFITERROR), Memc[str1], SZ_LINE)
call in_gstr (in, INLFLABELS, Memc[str2], SZ_LINE)
# Set the output title line.
len3 = inlstrwrd (1, Memc[str3], SZ_LINE, Memc[str2])
len4 = inlstrwrd (2, Memc[str4], SZ_LINE, Memc[str2])
if (len3 != 0 && len4 != 0) {
call sprintf (Memc[line], length, "%s = %s\n%s")
call pargstr (Memc[str3])
call pargstr (Memc[str4])
call pargstr (Memc[str1])
} else {
call sprintf (Memc[line], length, "%s")
call pargstr (Memc[str2])
}
call gt_sets (gt, GTTITLE, Memc[line])
# Free allocated memory.
call sfree (sp)
end
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