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34 lines
742 B
Plaintext
34 lines
742 B
Plaintext
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=head1 NAME
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invmod - compute modular inverse of an integer
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=head1 SYNOPSIS
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invmod <a> <m>
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=head1 DESCRIPTION
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The B<invmod> program computes the inverse of I<a>, modulo I<m>, if
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that inverse exists. Both I<a> and I<m> are arbitrary-precision
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integers in decimal notation. The result is written in standard
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decimal notation to the standard output.
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If there is no inverse, the message:
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No inverse
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...will be printed to the standard output (an inverse exists if and
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only if the greatest common divisor of I<a> and I<m> is 1).
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=head1 SEE ALSO
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gcd(1), isprime(1), lap(1)
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=head1 AUTHOR
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Michael J. Fromberger <sting@linguist.dartmouth.edu>
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Thayer School of Engineering, Hanover, New Hampshire, USA
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$Date: 2000/07/14 00:44:33 $
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