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This distribution re-implements some, but not all, of the formulas that come with GIS::Distance in the C programming language. C code is generally much faster than the perl equivilent.

OO wrapper to gpc library (translated from Inline-based Math::Geometry::Planar::GPC::Polygon to XS)

The module provides a method to calculate geographic distances between coordinates in geodetic WGS84 format using the Haversine formula. It is similar to GIS::Distance, but without the extra bells and whistles and without the additional dependencies. Same great taste, less filling. It exists for those who cannot, or prefer not to install Moose and its dependencies.

The Geo::Distance::XS module provides faster C implementations of the distance calculations found in Geo::Distance. See the documentation for that module for usage.

This package supplies a set of functions and operators to manipulate operator expressions algebraically using the familiar Perl syntax. These expressions are constructed from "Symbols", "Operators", and "Functions", and processed via "Methods". For examples, see: "Examples".

Provides support for big integer calculations. Not intended to be used by other modules. Other modules which sport the same functions can also be used to support Math::BigInt, like Math::BigInt::GMP or Math::BigInt::Pari.

Math::BigInt::GMP - Use the GMP library for Math::BigInt routines. Provides support for big integer calculations via means of the GMP c-library. Math::BigInt::GMP now no longer uses Math::GMP, but provides its own XS layer to access the GMP c-library. This cuts out another (perl sub routine) layer and also reduces the memory footprint by not loading Math::GMP and Carp at all.

This is Math::BigInt::Pari, a plugin module for Math::BigInt that replaces Math::BigInt's core math routines with Math::Pari routines. This package contains a replacement (drop-in) module for Math::BigInt's core, Math::BigInt::Calc.pm. It needs the new versions of Math::BigInt and Math::BigFloat as they are from Perl 5.7.x onwards.

This module is just a wrapper around the gpc C library written by Alan Murta gpc: General Polygon Clipping library (C) 1997-1999, Advanced Interfaces Group, University of Manchester. Please refer to the gpc manual for more details on gpc.

A library for calculating offset polygons.