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.\" ========================================================================
.\"
.IX Title "Math::Base::Convert::CalcPP 3pm"
.TH Math::Base::Convert::CalcPP 3pm "2022-10-16" "perl v5.34.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
Math::Base::Convert::CalcPP \- standard methods used by Math::Base::Convert
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This module contains the standard methods used by \fBMath::Base::Convert\fR to
convert from one base number to another base number.
.IP "\(bu" 4
\&\f(CW$carry\fR = addbaseno($reg32ptr,$int)
.Sp
This function adds an integer < 65536 to a long n*32 bit register and
returns the carry.
.IP "\(bu" 4
multiply($reg32ptr,$int)
.Sp
This function multiplies a long n*32 bit register by an integer < 65536
.IP "\(bu" 4
($qptr,$remainder) = dividebybase($reg32ptr,$int)
.Sp
this function divides a long n*32 bit register by an integer < 65536 and
returns a pointer to a long n*32 bit quotient and an integer remainder.
.IP "\(bu" 4
\&\f(CW$bc\fR\->useFROMbaseto32wide
.Sp
This method converts \s-1FROM\s0 an input base string to a long n*32 bit register using
an algorithim like:
.Sp
.Vb 6
\&        $longnum = 0;
\&        for $char ( $in_str =~ /./g ) {
\&          $longnum *= $base;
\&          $longnum += $value{$char)
\&        }
\&        return $number;
.Ve
.IP "\(bu" 4
\&\f(CW$output\fR = \f(CW$bc\fR\->use32wideTObase
.Sp
This method converts a long n*32 bit register \s-1TO\s0 a base number using an
algorithim like:
.Sp
.Vb 6
\&    $output = \*(Aq\*(Aq;
\&    while( $longnum > 0 ) {
\&      $output = ( $longnum % $base ) . $output;
\&      $num = int( $longnum / $base );
\&    }
\&    return $output;
.Ve
.SH "AUTHOR"
.IX Header "AUTHOR"
Michael Robinton, michael@bizsystems.com
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright 2012\-15, Michael Robinton
.PP
This program is free software; you may redistribute it and/or modify it
under the same terms as Perl itself.
.PP
This program is distributed in the hope that it will be useful,
but \s-1WITHOUT ANY WARRANTY\s0; without even the implied warranty of
\&\s-1MERCHANTABILITY\s0 or \s-1FITNESS FOR A PARTICULAR PURPOSE.\s0