Math-Prime-Util

Changes for version 0.70 - 2017-12-02

FIXES
- prime_count(a,b) incorrect for a={3..7} and b < 66000000. First appeared in v0.65 (May 2017). Reported by Trizen. Fixed.
- Also impacted were nth_ramanujan_prime and _lower/_upper for small input values.
FUNCTIONALITY AND PERFORMANCE
- Some utility functions used prime counts. Unlink for more isolation.
- prime_count_approx uses full precision for bigint or string input.
- LogarithmicIntegral and ExponentialIntegral will try to use our GMP backend if possible.
- Work around old Math::BigInt::FastCalc (as_int() doesn't work right).
- prime_memfree also calls GMP's memfree function. This will clear the cached constants (e.g. Pi, Euler).
- Calling srand or csrand will also result in the GMP backend CSPRNG functions being called. This gives more consistent behavior.
OTHER
- Turned off threads testing unless release or extended testing is used. A few smokers seem to have threads lib that die before we event start.
- Removed all Math::MPFR code and references. The latest GMP backend has everything we need.
- The MPU_NO_XS and MPU_NO_GMP environment variables are documented.

Utilities related to prime numbers, including fast sieves and factoring

Pure Perl ChaCha20 CSPRNG

Elliptic curve operations for affine points

Elliptic curve operations for projective points

Get a good random seed

An auto-free object for Math::Prime::Util

Pure Perl version of Math::Prime::Util

PP front end for Math::Prime::Util

Primality proofs and certificates

A tied array for primes

An object iterator for primes

Generate random primes

Perl Big Float versions of Riemann Zeta and R functions

Number theory utilities

To install Math::Prime::Util, copy and paste the appropriate command in to your terminal.

cpanm Math::Prime::Util

perl -MCPAN -e shell
install Math::Prime::Util

For more information on module installation, please visit the detailed CPAN module installation guide.

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