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 #!/usr/bin/perl

 #

 # make-logtab

 #

 # Generate a table of logarithms of 2 in various bases, for use in

 # estimating the output sizes of various bases.

 # This Source Code Form is subject to the terms of the Mozilla Public

 # License, v. 2.0. If a copy of the MPL was not distributed with this

 # file, You can obtain one at http://mozilla.org/MPL/2.0/.

 $ARRAYNAME = $ENV{'ARRAYNAME'} || "s_logv_2";

 $ARRAYTYPE = $ENV{'ARRAYTYPE'} || "float";

 printf("const %s %s[] = {\n   %0.9ff, %0.9ff, ", 

        $ARRAYTYPE, $ARRAYNAME, 0, 0);

 $brk = 2;

 for($ix = 2; $ix < 64; $ix++) {

     printf("%0.9ff, ", (log(2)/log($ix)));

     $brk = ($brk + 1) & 3;

     if(!$brk) {

 	printf(" /* %2d %2d %2d %2d */\n   ",

 	       $ix - 3, $ix - 2, $ix - 1, $ix);

     }

 }

 printf("%0.9ff\n};\n\n", (log(2)/log($ix)));

 exit 0;