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75 lines
2.4 KiB
Perl
75 lines
2.4 KiB
Perl
#!/usr/bin/perl
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#
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# Treat each line as a sequence of comma and/or space delimited
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# floating point numbers, and compute basic statistics on them.
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# These are written to standard output
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# ***** BEGIN LICENSE BLOCK *****
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# Version: MPL 1.1/GPL 2.0/LGPL 2.1
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#
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# The contents of this file are subject to the Mozilla Public License Version
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# 1.1 (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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# http://www.mozilla.org/MPL/
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#
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# Software distributed under the License is distributed on an "AS IS" basis,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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# for the specific language governing rights and limitations under the
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# License.
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#
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# The Original Code is the MPI Arbitrary Precision Integer Arithmetic library.
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#
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# The Initial Developer of the Original Code is
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# Michael J. Fromberger <sting@linguist.dartmouth.edu>.
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# Portions created by the Initial Developer are Copyright (C) 1998, 2000
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# the Initial Developer. All Rights Reserved.
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#
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# Contributor(s):
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#
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# Alternatively, the contents of this file may be used under the terms of
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# either the GNU General Public License Version 2 or later (the "GPL"), or
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# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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# in which case the provisions of the GPL or the LGPL are applicable instead
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# of those above. If you wish to allow use of your version of this file only
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# under the terms of either the GPL or the LGPL, and not to allow others to
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# use your version of this file under the terms of the MPL, indicate your
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# decision by deleting the provisions above and replace them with the notice
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# and other provisions required by the GPL or the LGPL. If you do not delete
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# the provisions above, a recipient may use your version of this file under
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# the terms of any one of the MPL, the GPL or the LGPL.
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#
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# ***** END LICENSE BLOCK *****
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# $Id: stats,v 1.2 2005/02/02 22:28:22 gerv%gerv.net Exp $
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#
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$min = 1.7976931348623157E+308;
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$max = 2.2250738585072014E-308;
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$sum = $num = 0;
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while(<>) {
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chomp;
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@nums = split(/[\s,]+/, $_);
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next if($#nums < 0);
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$num += scalar @nums;
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foreach (@nums) {
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$min = $_ if($_ < $min);
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$max = $_ if($_ > $max);
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$sum += $_;
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}
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}
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if($num) {
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$avg = $sum / $num;
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} else {
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$min = $max = 0;
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}
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printf "%d\tmin=%.2f, avg=%.2f, max=%.2f, sum=%.2f\n",
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$num, $min, $avg, $max, $sum;
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# end
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