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Re: Math::Round::Var::round() takes no action when a number is not supplied

by toolic (Bishop)
on Aug 30, 2011 at 17:04 UTC ( [id://923267]=note: print w/replies, xml ) Need Help??


in reply to Math::Round::Var::round() takes no action when a number is not supplied

Did you try it? I get a warning: 
use Math::Round::Var;

my $rnd = Math::Round::Var->new(0.01); # rounds to two decimal places:
print $rnd->round(), "\n";

__END__

Use of uninitialized value in sprintf at .../Math/Round/Var.pm line 22
+9.
0.00

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The module's source code uses warnings.
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Re^2: Math::Round::Var::round() takes no action when a number is not supplied
by metaperl (Curate) on Aug 31, 2011 at 02:18 UTC
    Did you try it?
    I shore did.
    I get a warning
    That warning came from Perl - the subroutine simply assumed you wanted to round the number zero - an undefined value was coerced to zero in context.
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