1Math::Base::Convert::CaUlscePrP(C3o)ntributed Perl DocumMeanttha:t:iBoanse::Convert::CalcPP(3)
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6 Math::Base::Convert::CalcPP - standard methods used by
7 Math::Base::Convert
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10 This module contains the standard methods used by Math::Base::Convert
11 to convert from one base number to another base number.
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13 • $carry = addbaseno($reg32ptr,$int)
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15 This function adds an integer < 65536 to a long n*32 bit register
16 and returns the carry.
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18 • multiply($reg32ptr,$int)
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20 This function multiplies a long n*32 bit register by an integer <
21 65536
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23 • ($qptr,$remainder) = dividebybase($reg32ptr,$int)
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25 this function divides a long n*32 bit register by an integer <
26 65536 and returns a pointer to a long n*32 bit quotient and an
27 integer remainder.
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29 • $bc->useFROMbaseto32wide
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31 This method converts FROM an input base string to a long n*32 bit
32 register using an algorithim like:
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34 $longnum = 0;
35 for $char ( $in_str =~ /./g ) {
36 $longnum *= $base;
37 $longnum += $value{$char)
38 }
39 return $number;
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41 • $output = $bc->use32wideTObase
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43 This method converts a long n*32 bit register TO a base number
44 using an algorithim like:
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46 $output = '';
47 while( $longnum > 0 ) {
48 $output = ( $longnum % $base ) . $output;
49 $num = int( $longnum / $base );
50 }
51 return $output;
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54 Michael Robinton, michael@bizsystems.com
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57 Copyright 2012-15, Michael Robinton
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59 This program is free software; you may redistribute it and/or modify it
60 under the same terms as Perl itself.
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62 This program is distributed in the hope that it will be useful, but
63 WITHOUT ANY WARRANTY; without even the implied warranty of
64 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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68perl v5.36.0 2022-07-22 Math::Base::Convert::CalcPP(3)