From 40e5a5811c6ffce9b0974e93cdd927cbcf60c157 Mon Sep 17 00:00:00 2001
From: Joe Hunkeler <jhunkeler@gmail.com>
Date: Tue, 11 Aug 2015 16:51:37 -0400
Subject: Repatch (from linux) of OSX IRAF

---
 noao/onedspec/identify/idrms.x | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 noao/onedspec/identify/idrms.x

(limited to 'noao/onedspec/identify/idrms.x')

diff --git a/noao/onedspec/identify/idrms.x b/noao/onedspec/identify/idrms.x
new file mode 100644
index 00000000..82916f1a
--- /dev/null
+++ b/noao/onedspec/identify/idrms.x
@@ -0,0 +1,28 @@
+include	"identify.h"
+
+# ID_RMS -- Compute RMS of fit about the user coordinates
+
+double procedure id_rms (id)
+
+pointer	id			# ID pointer
+
+int	i, nrms
+double	rms
+
+begin
+	rms = 0.
+	nrms = 0
+	for (i=1; i<=ID_NFEATURES(id); i=i+1) {
+	    if (!IS_INDEFD (USER(id,i)) && WTS(id,i) != 0.) {
+		rms = rms + (FIT(id,i) - USER(id,i)) ** 2
+		nrms = nrms + 1
+	    }
+	}
+
+	if (nrms > 0)
+	    rms = sqrt (rms / nrms)
+	else
+	    rms = INDEFD
+
+	return (rms)
+end
-- 
cgit