ModInverse in perl


 
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Old 10-14-2008
ModInverse in perl

Hi,

I am trying to calculate inverse modulus of a mod n ie.,

a ^ -1 mod n.

Is there a function in Perl that does this for me. If not, can someone help me with the code?

Thanks in advance.

Thanks,
Sundeep.
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MouseX::NativeTraits::Num(3pm)				User Contributed Perl Documentation			    MouseX::NativeTraits::Num(3pm)

NAME
MouseX::NativeTraits::Num - Helper trait for Num attributes SYNOPSIS
package Real; use Mouse; has 'integer' => ( traits => ['Number'], is => 'ro', isa => 'Num', default => 5, handles => { set => 'set', add => 'add', sub => 'sub', mul => 'mul', div => 'div', mod => 'mod', abs => 'abs', }, ); my $real = Real->new(); $real->add(5); # same as $real->integer($real->integer + 5); $real->sub(2); # same as $real->integer($real->integer - 2); DESCRIPTION
This provides a simple numeric attribute, which supports most of the basic math operations. PROVIDED METHODS
It is important to note that all those methods do in place modification of the value stored in the attribute. These methods are implemented within this package. set($value) Alternate way to set the value. add($value) Adds the current value of the attribute to $value. sub($value) Subtracts $value from the current value of the attribute. mul($value) Multiplies the current value of the attribute by $value. div($value) Divides the current value of the attribute by $value. mod($value) Returns the current value of the attribute modulo $value. abs Sets the current value of the attribute to its absolute value. METHODS
meta method_provider_class helper_type SEE ALSO
MouseX::NativeTraits perl v5.14.2 2011-12-04 MouseX::NativeTraits::Num(3pm)