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29 lines
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29 lines
743 B
Plaintext
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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=head1 NAME
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gcd - compute greatest common divisor of two integers
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=head1 SYNOPSIS
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gcd <a> <b>
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=head1 DESCRIPTION
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The B<gcd> program computes the greatest common divisor of two
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arbitrary-precision integers I<a> and I<b>. The result is written in
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standard decimal notation to the standard output.
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If I<b> is zero, B<gcd> will print an error message and exit.
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=head1 SEE ALSO
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invmod(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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