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author | Mike Frysinger <vapier@gentoo.org> | 2004-01-27 03:25:44 +0000 |
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committer | Mike Frysinger <vapier@gentoo.org> | 2004-01-27 03:25:44 +0000 |
commit | bf5adfc8edbbef6e30c9bb76f5bd1825a14ecdb6 (patch) | |
tree | 8074fe97aa8bf2903b335e51e1f9e6ec0d5e3adc /dev-libs/libtommath/metadata.xml | |
parent | ver bump (diff) | |
download | gentoo-2-bf5adfc8edbbef6e30c9bb76f5bd1825a14ecdb6.tar.gz gentoo-2-bf5adfc8edbbef6e30c9bb76f5bd1825a14ecdb6.tar.bz2 gentoo-2-bf5adfc8edbbef6e30c9bb76f5bd1825a14ecdb6.zip |
metadata
Diffstat (limited to 'dev-libs/libtommath/metadata.xml')
-rw-r--r-- | dev-libs/libtommath/metadata.xml | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/dev-libs/libtommath/metadata.xml b/dev-libs/libtommath/metadata.xml new file mode 100644 index 000000000000..04efd207507d --- /dev/null +++ b/dev-libs/libtommath/metadata.xml @@ -0,0 +1,61 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd"> +<pkgmetadata> +<herd>no-herd</herd> +<maintainer> + <email>vapier@gentoo.org</email> +</maintainer> +<longdescription> +LibTomMath is a free open source portable number theoretic multiple-precision +integer library written entirely in C. (phew!). The library is designed to +provide a simple to work with API that provides fairly efficient routines that +build out of the box without configuration. + +The library builds out of the box with GCC 2.95 [and up] as well as Visual C++ +v6.00 [with SP5] without configuration. The source code is arranged to make it +easy to dive into a particular area very quickly. The code is also littered with +comments [This is one of the on going goals] that help explain the algorithms and +their implementations. Ideally the code will serve as an educational tool in the +future for CS students studying number theory. + +The library provides a vast array of highly optimized routines from various +branches of number theory. + + * Simple Algebraic + o Addition + o Subtraction + o Multiplication + o Squaring + o Division + * Digit Manipulation + o Shift left/right whole digits (mult by 2b by moving digits) + o Fast multiplication/division by 2 and 2k for k>1 + o Binary AND, OR and XOR gates + * Modular Reductions + o Barrett Reduction (fast for any p) + o Montgomery Reduction (faster for any odd p) + o DR Reduction (faster for any restricted p see manual) + o 2k Reduction (fast reduction modulo 2p - k) + o The exptmod logic can use any of the four reduction algorithms when +appropriate with a single function call. + * Number Theoretic + o Greatest Common Divisor + o Least Common Multiple + o Jacobi Symbol Computation (falls back to Legendre for prime moduli) + o Multiplicative Inverse + o Extended Euclidean Algorithm + o Modular Exponentiation + o Fermat and Miller-Rabin Primality Tests, utility function such as +is_prime and next_prime + * Miscellaneous + o Root finding over Z + o Pseudo-random integers + o Signed and Unsigned comparisons + * Optimizations + o Fast Comba based Multiplier, Squaring and Montgomery routines. + o Montgomery, Diminished Radix and Barrett based modular +exponentiation. + o Karatsuba and Toom-Cook multiplication algorithms. + o Many pointer aliasing optimiztions throughout the entire library. +</longdescription> +</pkgmetadata> |