mirror of
https://github.com/classilla/tenfourfox.git
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96 lines
2.3 KiB
Perl
96 lines
2.3 KiB
Perl
#!/usr/bin/perl
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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sub GenNPL {
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my($ret) = << "END_NPL";
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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END_NPL
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return $ret;
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}
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print GenNPL();
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$total=0;
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@h;
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@l;
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while(<STDIN>)
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{
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@k = split(/\s+/, $_);
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@i = unpack("CCCC", $k[0]);
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# printf("%x %x %s",$i[0] , $i[1] , "[" . $k[0] . "] " . $i . " " . $j . " " . $k[1] ."\n");
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if((0xA1 <= $i[0]) && (0xA1 <= $i[1])){
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$total += $k[1];
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$v = $i[0] - 0x00A1;
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$h[$v] += $k[1];
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$u = $i[1] - 0x00A1;
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$l[$u] += $k[1];
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# print "hello $v $h[$v] $u $l[$u]\n";
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}
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}
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$ffh = 0.0;
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$ffl = 0.0;
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for($i=0x00A1;$i< 0x00FF ; $i++)
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{
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$fh[$i - 0x00a1] = $h[$i- 0x00a1] / $total;
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$ffh += $fh[$i - 0x00a1];
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$fl[$i - 0x00a1] = $l[$i- 0x00a1] / $total;
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$ffl += $fl[$i - 0x00a1];
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}
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$mh = $ffh / 94.0;
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$ml = $ffl / 94.0;
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$sumh=0.0;
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$suml=0.0;
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for($i=0x00A1;$i< 0x00FF ; $i++)
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{
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$sh = $fh[$i - 0x00a1] - $mh;
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$sh *= $sh;
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$sumh += $sh;
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$sl = $fl[$i - 0x00a1] - $ml;
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$sl *= $sl;
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$suml += $sl;
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}
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$sumh /= 94.0;
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$suml /= 94.0;
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$stdh = sqrt($sumh);
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$stdl = sqrt($suml);
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print "{\n";
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print " {\n";
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for($i=0x00A1;$i< 0x00FF ; $i++)
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{
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if($i eq 0xfe) {
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printf(" %.6ff \/\/ FreqH[%2x]\n", $fh[$i - 0x00a1] , $i);
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} else {
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printf(" %.6ff, \/\/ FreqH[%2x]\n", $fh[$i - 0x00a1] , $i);
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}
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}
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print " },\n";
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printf ("%.6ff, \/\/ Lead Byte StdDev\n", $stdh);
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printf ("%.6ff, \/\/ Lead Byte Mean\n", $mh);
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printf ("%.6ff, \/\/ Lead Byte Weight\n", $stdh / ($stdh + $stdl));
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print " {\n";
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for($i=0x00A1;$i< 0x00FF ; $i++)
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{
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if($i eq 0xfe) {
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printf(" %.6ff \/\/ FreqL[%2x]\n", $fl[$i - 0x00a1] , $i);
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} else {
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printf(" %.6ff, \/\/ FreqL[%2x]\n", $fl[$i - 0x00a1] , $i);
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}
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}
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print " },\n";
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printf ("%.6ff, \/\/ Trail Byte StdDev\n", $stdl);
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printf ("%.6ff, \/\/ Trail Byte Mean\n", $ml);
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printf ("%.6ff \/\/ Trial Byte Weight\n", $stdl / ($stdh + $stdl));
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print "};\n";
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