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include <pkg/gtools.h>
include <math/nlfit.h>
include <pkg/inlfit.h>
# ING_PARAMS -- Set parameter string.
procedure ing_paramsr (in, nl, x, y, wts, npts, nvars, gt)
pointer in # INLFIT pointer
pointer nl # NLFIT pointer
real x[ARB] # Ordinates (npts * nvars)
real y[ARB] # Abscissas
real 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
real rms
pointer sp, fit, wts1, rejpts
pointer str1, str2, str3, str4, line
int strlen()
int nlstati()
int inlstrwrd()
int in_geti()
real nlstatr()
real in_rmsr()
real in_getr()
pointer in_getp()
begin
# Allocate memory
call smark (sp)
call salloc (fit, npts, TY_REAL)
call salloc (wts1, npts, TY_REAL)
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 amovr (wts, Memr[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)
Memr[wts1+i-1] = real (0.0)
}
}
deleted = 0
do i = 1, npts {
if (wts[i] == real (0.0))
deleted = deleted + 1
}
# Set the fit and compute the RMS error.
if (in_geti (in, INLFITERROR) == DONE) {
call nlvectorr (nl, x, Memr[fit], npts, nvars)
rms = in_rmsr (y, Memr[fit], Memr[wts1], npts)
} else
rms = INDEFR
# 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 pargr (in_getr (in, INLLOW))
call pargr (in_getr (in, INLHIGH))
call pargi (in_geti (in, INLNREJECT))
call pargr (in_getr (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 pargr (rms)
call sprintf (Memc[str3], SZ_LINE,
#"tolerance=%7.4g, maxiter=%d, iterations=%d")
"tolerance=%.4g, maxiter=%d, iterations=%d")
call pargr (nlstatr (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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