The 'GNU Scientific Library' (or 'GSL') is a collection of numerical
routines for scientific computing. It is particularly useful for C
and C++ programs as it provides a standard C interface to a wide
range of mathematical routines such as special functions,
permutations, combinations, fast fourier transforms, eigensystems,
random numbers, quadrature, random distributions, quasi-random
sequences, Monte Carlo integration, N-tuples, differential equations,
simulated annealing, numerical differentiation, interpolation, series
acceleration, Chebyshev approximations, root-finding, discrete Hankel
transforms physical constants, basis splines and wavelets. There are
over 1000 functions in total with an extensive test suite.
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The 'RcppGSL' package provides an easy-to-use interface between 'GSL'
data structures and R using concepts from 'Rcpp' which is itself a
package that eases the interfaces between R and C++.
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This package also serves as a prime example of how to build a package
that uses 'Rcpp' to connect to another third-party library. The
'autoconf' script, 'inline' plugin and example package can all be
used as a stanza to write a similar package against another library.
