This is an automated email from the git hooks/post-receive script. ppm-guest pushed a commit to annotated tag v0.10 in repository libmath-prime-util-perl.
commit 097995b2b33998b17228d20746eb5a7b3b0abacd Author: Dana Jacobsen <d...@acm.org> Date: Sat Jul 14 07:09:50 2012 -0600 Use GMP primes function. Doc tweaks --- lib/Math/Prime/Util.pm | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/lib/Math/Prime/Util.pm b/lib/Math/Prime/Util.pm index 7b55371..2b26683 100644 --- a/lib/Math/Prime/Util.pm +++ b/lib/Math/Prime/Util.pm @@ -212,6 +212,7 @@ sub primes { return $sref if ($low > $high) || ($high < 2); if ( $high > $_XS_MAXVAL) { + return Math::Prime::Util::GMP::primes($low,$high) if $_HAVE_GMP; return Math::Prime::Util::PP::primes($low,$high); } @@ -795,6 +796,7 @@ sub factor { _validate_positive_integer($n); return _XS_factor($n) if $n <= $_XS_MAXVAL; + if ($_HAVE_GMP) { my @factors = Math::Prime::Util::GMP::factor($n); if (ref($n) eq 'Math::BigInt') { @@ -802,6 +804,7 @@ sub factor { } return @factors; } + return Math::Prime::Util::PP::factor($n); } @@ -1488,7 +1491,7 @@ polynomials, plus a correction term for small values to reduce the error. my $probably_prime = is_strong_pseudoprime($n, 2, 3, 5, 7, 11, 13, 17); Takes a positive number as input and one or more bases. The bases must be -between C<2> and C<n - 2>. Returns 1 is C<n> is a prime or a strong +between C<2> and C<n - 2>. Returns 1 if the input is a prime or a strong pseudoprime to all of the bases, and 0 if not. If 0 is returned, then the number really is a composite. If 1 is returned, @@ -1538,8 +1541,8 @@ result will then always be 0 (composite) or 2 (prime). A later implementation may change the internals, but the results will be identical. For inputs larger than C<2^64>, a strong Baillie-PSW primality test is -performed (aka BPSW or BSW). This is a probabilistic test, so the only times -a 2 (definitely prime) are returned are when the small trial division succeeds. +performed (aka BPSW or BSW). This is a probabilistic test, so only +0 (composite) and 1 (probably prime) are returned. Note that since the test was published in 1980, not a single BPSW pseudoprime has been found, so it is extremely likely to be prime. While we know there an infinite number of counterexamples exist, there is a weak conjecture that -- Alioth's /usr/local/bin/git-commit-notice on /srv/git.debian.org/git/pkg-perl/packages/libmath-prime-util-perl.git _______________________________________________ Pkg-perl-cvs-commits mailing list Pkg-perl-cvs-commits@lists.alioth.debian.org http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/pkg-perl-cvs-commits