From 40e5a5811c6ffce9b0974e93cdd927cbcf60c157 Mon Sep 17 00:00:00 2001 From: Joe Hunkeler Date: Tue, 11 Aug 2015 16:51:37 -0400 Subject: Repatch (from linux) of OSX IRAF --- noao/onedspec/ecidentify/ecffit/ecfrms.x | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 noao/onedspec/ecidentify/ecffit/ecfrms.x (limited to 'noao/onedspec/ecidentify/ecffit/ecfrms.x') diff --git a/noao/onedspec/ecidentify/ecffit/ecfrms.x b/noao/onedspec/ecidentify/ecffit/ecfrms.x new file mode 100644 index 00000000..1140dc29 --- /dev/null +++ b/noao/onedspec/ecidentify/ecffit/ecfrms.x @@ -0,0 +1,26 @@ +# ECF_RMS -- Compute the rms with deleted points ignored. + +double procedure ecf_rms (r, w, npts) + +double r[npts] # Residuals +double w[npts] # Weights +int npts # Number of points + +int i, n +double rms + +begin + n = 0 + rms = 0. + do i = 1, npts { + if (w[i] == 0.) + next + n = n + 1 + rms = rms + r[i] * r[i] + } + if (n > 0) + rms = sqrt (rms / n) + else + rms = INDEFD + return (rms) +end -- cgit