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README.md  view on Meta::CPAN

    $z = inv_cdf( $z );

# DESCRIPTION

This module just rewrites the [Math::Gauss](https://metacpan.org/pod/Math::Gauss) module in XS. The precision and
exported function remain the same as in the original.

The benchmark results are

    Benchmark: timing 30000000 iterations of pp/pdf, xs/pdf...
       pp/pdf: 15 wallclock secs (14.99 usr +  0.00 sys = 14.99 CPU) @ 2001334.22/s (n=30000000)
       xs/pdf:  2 wallclock secs ( 2.16 usr +  0.00 sys =  2.16 CPU) @ 13888888.89/s (n=30000000)
    Benchmark: timing 30000000 iterations of pp/cdf, xs/cdf...
       pp/cdf: 40 wallclock secs (38.93 usr +  0.00 sys = 38.93 CPU) @ 770613.92/s (n=30000000)
       xs/cdf:  2 wallclock secs ( 2.22 usr +  0.00 sys =  2.22 CPU) @ 13513513.51/s (n=30000000)
    Benchmark: timing 30000000 iterations of pp/inv_cdf, xs/inv_cdf...
    pp/inv_cdf: 15 wallclock secs (16.02 usr +  0.00 sys = 16.02 CPU) @ 1872659.18/s (n=30000000)
    xs/inv_cdf:  2 wallclock secs ( 2.18 usr +  0.00 sys =  2.18 CPU) @ 13761467.89/s (n=30000000)

# SOURCE CODE

[GitHub](https://github.com/binary-com/perl-Math-Gauss-XS)

# AUTHOR

binary.com, `<perl at binary.com>`

lib/Math/Gauss/XS.pm  view on Meta::CPAN

  $z = inv_cdf( $z );

=head1 DESCRIPTION

This module just rewrites the L<Math::Gauss> module in XS. The precision and
exported function remain the same as in the original.

The benchmark results are

 Benchmark: timing 30000000 iterations of pp/pdf, xs/pdf...
    pp/pdf: 15 wallclock secs (14.99 usr +  0.00 sys = 14.99 CPU) @ 2001334.22/s (n=30000000)
    xs/pdf:  2 wallclock secs ( 2.16 usr +  0.00 sys =  2.16 CPU) @ 13888888.89/s (n=30000000)
 Benchmark: timing 30000000 iterations of pp/cdf, xs/cdf...
    pp/cdf: 40 wallclock secs (38.93 usr +  0.00 sys = 38.93 CPU) @ 770613.92/s (n=30000000)
    xs/cdf:  2 wallclock secs ( 2.22 usr +  0.00 sys =  2.22 CPU) @ 13513513.51/s (n=30000000)
 Benchmark: timing 30000000 iterations of pp/inv_cdf, xs/inv_cdf...
 pp/inv_cdf: 15 wallclock secs (16.02 usr +  0.00 sys = 16.02 CPU) @ 1872659.18/s (n=30000000)
 xs/inv_cdf:  2 wallclock secs ( 2.18 usr +  0.00 sys =  2.18 CPU) @ 13761467.89/s (n=30000000)

=for Pod::Coverage cdf inv_cdf pdf

=head1 SOURCE CODE

L<GitHub|https://github.com/binary-com/perl-Math-Gauss-XS>