aboutsummaryrefslogtreecommitdiff
path: root/pkg/xtools/icfit/icgparamsr.x
diff options
context:
space:
mode:
authorJoe Hunkeler <jhunkeler@gmail.com>2015-08-11 16:51:37 -0400
committerJoe Hunkeler <jhunkeler@gmail.com>2015-08-11 16:51:37 -0400
commit40e5a5811c6ffce9b0974e93cdd927cbcf60c157 (patch)
tree4464880c571602d54f6ae114729bf62a89518057 /pkg/xtools/icfit/icgparamsr.x
downloadiraf-osx-40e5a5811c6ffce9b0974e93cdd927cbcf60c157.tar.gz
Repatch (from linux) of OSX IRAF
Diffstat (limited to 'pkg/xtools/icfit/icgparamsr.x')
-rw-r--r--pkg/xtools/icfit/icgparamsr.x118
1 files changed, 118 insertions, 0 deletions
diff --git a/pkg/xtools/icfit/icgparamsr.x b/pkg/xtools/icfit/icgparamsr.x
new file mode 100644
index 00000000..a1c898de
--- /dev/null
+++ b/pkg/xtools/icfit/icgparamsr.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_paramsr (ic, cv, x, y, wts, npts, gt)
+
+pointer ic # ICFIT pointer
+pointer cv # Curfit pointer
+real x[ARB] # Ordinates
+real y[ARB] # Abscissas
+real wts[ARB] # Weights
+int npts # Number of data points
+pointer gt # GTOOLS pointer
+
+int i, n, deleted
+real rms
+pointer sp, fit, wts1, str, params
+
+real ic_rmsr()
+
+begin
+ call smark (sp)
+
+ n = IC_NFIT(ic)
+ deleted = 0
+ rms = INDEFR
+
+ if (n == npts) {
+ # Allocate memory for the fit.
+
+ call salloc (fit, n, TY_REAL)
+ call salloc (wts1, n, TY_REAL)
+
+ # Eliminate rejected points and count deleted points.
+
+ call amovr (wts, Memr[wts1], n)
+ if (IC_NREJECT(ic) > 0) {
+ do i = 1, npts {
+ if (Memi[IC_REJPTS(ic)+i-1] == YES)
+ Memr[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 rcvvector (cv, x, Memr[fit], n)
+ rms = ic_rmsr (x, y, Memr[fit], Memr[wts1], n)
+ } else
+ rms = INDEFR
+ } else if (n > 0) {
+ # Allocate memory for the fit.
+
+ call salloc (fit, n, TY_REAL)
+ call salloc (wts1, n, TY_REAL)
+
+ # Eliminate rejected points and count deleted points.
+
+ call amovr (Memr[IC_WTSFIT(ic)], Memr[wts1], n)
+ if (IC_NREJECT(ic) > 0) {
+ do i = 1, npts {
+ if (Memi[IC_REJPTS(ic)+i-1] == YES)
+ Memr[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 rcvvector (cv, Memr[IC_XFIT(ic)], Memr[fit], n)
+ rms = ic_rmsr (Memr[IC_XFIT(ic)], Memr[IC_YFIT(ic)],
+ Memr[fit], Memr[wts1], n)
+ } else
+ rms = INDEFR
+ }
+
+ # 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 pargr (rms)
+ call gt_sets (gt, GTPARAMS, Memc[params])
+
+ # Free allocated memory.
+
+ call sfree (sp)
+end