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GAMS : Guide to Available Mathematical Software
Guide to mathematical software in Fortran held at a small number of US government establishments. Some sources are in commercial libraries and are not directly accessible. The code is of a uniformly high quality but usually old; there may be more recent and better algorithms available.

H. D. Knoble's Collection of Fortran Algorithms
Sourcecode of programs, mostly of a tutorial nature.

Overflow from Alan Miller's Fortran web site
Includes updates of some TOMS algorithms, logistic regression, a Fortran 90 version of the special functions from the NSWC (Naval Surface Warfare Center) Math. Library, quadruple precision using 10-byte reals for the NAS Fortran-Plus compiler giving about 38 decimal digit accuracy, and code for Imagine1's F compiler, including the author's least-squares package. F code should compile using any standard Fortran compiler.

Numerical Recipes Home Page
Home of the Numerical Recipes series of books on scientific programming, including the Numerical Recipes On-Line Software Store, free upgrades and bug fixes, and the complete books on-line in PostScript and Acrobat formats. The Numerical Recipes code in Fortran 77 and Fortran 90 is not in the public domain.

Fortran Resources (Lahey)
A collection of links provided by a vendor of Fortran compilers.

NSWC Library of Mathematics Subroutines
NSWC (Naval Surface Warfare Center) Library of Mathematics Subroutines written in Fortran 66. Old but very high quality code. Unfortunately the manual is only available in hard copy, and is very difficult to obtain. The source code is also available by ftp from: ftp://math.jpl.nasa.gov/pub/nswc.93

Free Fortran Software
A collection of useful links from the Fortran Market.

Automatic Differentiation of Fortran Codes (ADIFOR)
Given code as input, it generates code for derivatives including gradients and hessians.

Sugihara's Integer-Arithmetic Geometric Software
Geometric Software   (by Kokichi Sugihara) for Voronoi diagrams in 2D and 3D, and convex hulls in 3D and 4D.

Fortran Library Links
Gary Scott's extensive collection of source code links.


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