What output do you get from this on your system? 

#! perl -slw

use bignum;

$number = 330978816.3082480433473810957254665863937;
$number =( int( ( ( log( $number ) / log( 10 ) ) * 10 ) + 0.5 ) ) / 10
+;
print"$number\n";

print "$k -> $v" while ( $k, $v ) = each %INC;
__END__
c:\test>junk
8.5

XSLoader.pm -> C:/Perl64/lib/XSLoader.pm
re.pm -> C:/Perl64/lib/re.pm
Math/BigInt/FastCalc.pm -> C:/Perl64/lib/Math/BigInt/FastCalc.pm
warnings/register.pm -> C:/Perl64/lib/warnings/register.pm
bigint.pm -> C:/Perl64/lib/bigint.pm
C:/Perl64/site/lib/sitecustomize.pl -> C:/Perl64/site/lib/sitecustomiz
+e.pl
ActiveState/Path.pm -> C:/Perl64/lib/ActiveState/Path.pm
Cwd.pm -> C:/Perl64/site/lib/Cwd.pm
warnings.pm -> C:/Perl64/lib/warnings.pm
Config_git.pl -> C:/Perl64/lib/Config_git.pl
File/Basename.pm -> C:/Perl64/lib/File/Basename.pm
Config.pm -> C:/Perl64/lib/Config.pm
integer.pm -> C:/Perl64/lib/integer.pm
ActivePerl/Config.pm -> C:/Perl64/lib/ActivePerl/Config.pm
Math/BigFloat.pm -> C:/Perl64/lib/Math/BigFloat.pm
Carp.pm -> C:/Perl64/lib/Carp.pm
Math/BigInt.pm -> C:/Perl64/lib/Math/BigInt.pm
Exporter/Heavy.pm -> C:/Perl64/lib/Exporter/Heavy.pm
bignum.pm -> C:/Perl64/lib/bignum.pm
Exporter.pm -> C:/Perl64/lib/Exporter.pm
strict.pm -> C:/Perl64/lib/strict.pm
vars.pm -> C:/Perl64/lib/vars.pm
Math/BigInt/Calc.pm -> C:/Perl64/lib/Math/BigInt/Calc.pm
constant.pm -> C:/Perl64/lib/constant.pm
Config_heavy.pl -> C:/Perl64/lib/Config_heavy.pl
overload.pm -> C:/Perl64/lib/overload.pm
AutoLoader.pm -> C:/Perl64/lib/AutoLoader.pm
DynaLoader.pm -> C:/Perl64/lib/DynaLoader.pm

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Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re^3: What causes NaN when using bignum (Updated: Thanks, [roboticus]) by BrowserUk
in thread What causes NaN when using bignum by Microcebus

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