IMSL

IMSL is a library licensed from Visual Numerics by NCAR, and the name IMSL is an acronym for the International Mathematical and Statistical Library. The library contains general-purpose math and statistics routines for the following areas: eigenvalues and eigenvectors, linear systems of equations, interpolation and fitting, integration and differentiation, ordinary and partial differential equations, transforms, nonlinear equations, optimization, a wide variety of special functions, basic statistics, regression, correlation, analysis of variation, categorical and discrete data analysis, nonparametric statistics, tests of goodness-of-fit and randomness, time series analysis, cluster analysis, sampling, survival analysis, life testing and reliability, multidimensional scaling, density and hazard estimation, line printer graphics, probability distribution functions, and random number generation.

Recommendation: Use IMSL if your application does not require free software and if a large, general-purpose commercial library suits your programming needs.

Documentation: IMSL has its own online documentation files, available from IMSL's interactive documentation facility imsl.idf. To use this facility on SCD's Cray parallel-vector computers on which IMSL is installed, you need to add pathname /usr/local/imsl.idf to your PATH environment variable. Hardcopy IMSL documentation can be purchased from IMSL. Reference copies are available in Consulting Services, Room 17 of the Mesa Lab.
Source code: IMSL source is not available.
NCAR users: the IMSL binary library is available to NCAR computer users, for linking with Fortran programs, on some of SCD's compute-servers. See "SCD Computers, Products, and Libraries" for the names of those computers. If you have questions about linking the binary library on these NCAR systems, please see "Linking SCD's Local Fortran Math Libraries".

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