fish: Make progress bars into a mini library.

[libguestfs.git] / fish / rmsd.h

diff --git a/fish/rmsd.h b/fish/rmsd.h
deleted file mode 100644 (file)
index d4335bd..0000000
--- a/fish/rmsd.h
+++ /dev/null
@@ -1,67 +0,0 @@
-/* libguestfs - guestfish shell
- * Copyright (C) 2010 Red Hat Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#ifndef FISH_RMSD_H
-#define FISH_RMSD_H
-
-/* Compute the running mean and standard deviation from the
- * series of estimated values.
- *
- * Method:
- * http://en.wikipedia.org/wiki/Standard_deviation#Rapid_calculation_methods
- * Checked in a test program against answers given by Wolfram Alpha.
- */
-struct rmsd {
-  double a;                     /* mean */
-  double i;                     /* number of samples */
-  double q;
-};
-
-static void
-rmsd_init (struct rmsd *r)
-{
-  r->a = 0;
-  r->i = 1;
-  r->q = 0;
-}
-
-static void
-rmsd_add_sample (struct rmsd *r, double x)
-{
-  double a_next, q_next;
-
-  a_next = r->a + (x - r->a) / r->i;
-  q_next = r->q + (x - r->a) * (x - a_next);
-  r->a = a_next;
-  r->q = q_next;
-  r->i += 1.0;
-}
-
-static double
-rmsd_get_mean (const struct rmsd *r)
-{
-  return r->a;
-}
-
-static double
-rmsd_get_standard_deviation (const struct rmsd *r)
-{
-  return sqrt (r->q / (r->i - 1.0));
-}
-
-#endif /* FISH_RMSD_H */