Biology (4) Chemistry (39) Fast Fourier Transforms (4) Increasing Precision (6) Linear Algebra (32)

Optimization (31) Ordinary Differential Equations (12) Partial Differential Equations (31) Physics (96) Statistics and Econometrics (110)

Websites in Source Code

1. ASTEM97 Steam Tables
   By Edward D. Throm, contains routines to provide a wide range of interfaces to the thermodynamic and transport properties. [Commercial]
   http://members.cox.net/mister-ed/if97srcc.htm
   
   
2. Alan Genz's homepage
   Multi-dimensional integration, particularly for statistical applications.
   http://www.math.wsu.edu/math/faculty/genz/homepage
   
   
3. Alan R. Miller
   Code from the book "Fortran Programs for Scientists and Engineers", 2nd. ed. (1988).
   http://www.nmt.edu/~armiller/fortran.htm
   
   
4. Algorithms
   Codes by Julio F. Fernández for uniform and Gaussian random number generation, matrix diagonalization, and physical simulations.
   http://pipe.unizar.es/~jff/files/files.html
   
   
5. Algorithms and Data Structures in F and Fortran
   Codes from book by Robin Vowels for sorting, linked lists and trees, complex arithmetic, text processing, solving linear equations, graphics, searching, numerical methods, and whole array operations.
   http://www.fortran.com/F/adsff.html
   
   
6. Applied Numerical Methods for Scientists and Engineers
   Fortran and C code from book by Singiresu Rao.
   http://cwx.prenhall.com/bookbind/pubbooks/rao/chapter0/deluxe.html
   
   
7. Arithmetic with Error Bounds
   Fortran 90 code by Abraham Agay.
   http://shum.cc.huji.ac.il/~agay/err.f90
   
   
8. Automatic Differentiation of Fortran Codes (ADIFOR)
   Given code as input, it generates code for derivatives including gradients and hessians.
   http://www-unix.mcs.anl.gov/autodiff/ADIFOR/
   
   
9. BETADER
   Derivatives of the Incomplete Beta Function, by Robert J. Boik and James F. Robison-Cox.
   http://www.jstatsoft.org/v03/i01/
   
   
10. BIEPACK
    Code for boundary integral equations, by Kendall E. Atkinson.
    http://www.math.uiowa.edu/~atkinson/bie.html
    
    
11. Benchmark
    3-D Computational Fluid Dynamics code using the SOR method. There is a link to CPU times on various platforms, for two grid sizes.
    http://www.ec-nantes.fr/DMN/WWW/Hardware/Bench/index.html
    
    
12. Benchmarks of N. Tajima
    Codes to time floating point and integer arithmetic, intrinsic functions, and random access to memory.
    http://serv.apphy.fukui-u.ac.jp/~tajima/bench/source_e.html
    
    
13. CASE Lab Codes
    Space-time finite element solution for the 1-D Euler equations, STARS orientation angles calculator and elastics vector generator, simulation of a double wedge in a supersonic flow, atmospheric look-up tables, NACA 4-Digit Airfoil, and 2-D aerodynamic loads.
    http://www.caselab.okstate.edu/codes.html
    
    
14. CFD Recipes
    Computational fluid dynamics Fortran 77 code associated with "Computational Gasdynamics", a book by Culbert B. Laney.
    http://capella.colorado.edu/~laney/booksoft.htm
    
    
15. CHIRP-Z transform for FFTs
    Little known algorithm for calculating the FFT of a series of any length. Based upon Applied Statistics algorithms 117 & 83.
    http://users.bigpond.net.au/amiller/apstat/chirp.f90
    
    
16. Check compiler and run-time environment (CHKSYS)
    Chksys.f determines the properties of the run-time environment for Fortran 77 programs. Chkcomp.f is a Fortran 77 code containing deliberate deviations from the standard and deliberate bad statements for testing the compiler's accuracy. Chksysff.f90 is a program to determine the properties of the run-time environment for Fortran 90 programs. Chkcomff.f90 is a Fortran 90 source file containing deliberate deviations from the standard and deliberate bad statements for testing the compiler's accuracy.
    http://ftp.aset.psu.edu/pub/ger/fortran/chksys.htm
    
    
17. Collaborative Computational Projects
    Links to chemistry, physics, and engineering codes, many in Fortran.
    http://www.ccp.ac.uk/
    
    
18. Combinatorial algorithms
    Generation of subsets and permutations, Hamiltonian cycles, determinants and permanents, network flow, and minimum spanning trees.
    http://www.cs.sunysb.edu/~algorith/implement/wilf/implement.shtml
    
    
19. Compiler Diagnostic Test Sets
    Fortran 77/90/95 codes to test run-time diagnostic/debug capability of Windows and Linux Fortran Compilers, by Arnaud Desitter and Herman D. Knoble.
    http://ftp.aset.psu.edu/pub/ger/fortran/test/results.txt
    
    
20. Computer Methods for Mathematical Computations
    Code from the book, translated to ELF, a Fortran 90 subset. Algorithms for calculations in science and engineering, including linear equations, spline interpolation, integration, differential equations, zero finding, minimization and singular value decomposition.
    http://www.pdas.com/fmm.htm
    
    
21. DXFortran: Vectorial graphical library in DXF
    Develops a vectorial graphical library in DXF (Drawing Interchange Format) format for Fortran 90 programmers. By Carlos Silva and Davide Santos.
    http://www.ualg.pt/est/adec/csc/dxfortran/
    
    
22. Dan Nagle (Purple Sage Consulting) code
    Fortran Portability Project, Fortran 2003 examples, and Fortran modules.
    http://users.erols.com/dnagle/download.html
    
    
23. Daniel A. Steck
    Fortran 90 codes to integrate Ito stochastic differential equations, generate random numbers, compute the FFT, and time programs.
    http://george.ph.utexas.edu/~dsteck/computer.html
    
    
24. Dave Gemini
    Codes for a number-crunching benchmark, reading Internet URL addresses, and partially convertng C code to Fortran.
    http://home.cfl.rr.com/davegemini/
    
    
25. DownGradePrecision
    Code by Kevin Rhoads to allow precision to be deliberately thrown away in an IEEE floating point compliant computing environment in order to more closely model computations in less precise floating point systems.
    http://www.fortranlib.com/downprec.txt
    
    
26. Ernesto Martin's codes
    Random generator networks and other algorithms.
    http://www.mat.uc.pt/~eqvm/cientificos/fortran/codigos.html
    
    
27. Examples
    Fortran 90 codes from introductory course by John Mahaffy.
    http://www.personal.psu.edu/faculty/j/h/jhm/f90/progref.html
    
    
28. F (Fortran 95 subset) Program Examples
    Factorial function, iterative computation of the square root, nonadvancing I/O, dynamic arrays, Towers of Hanoi, and other topics.
    http://www.fortran.com/F/example_code.html
    
    
29. F2KCLI
    Implements the draft F2K standard for accessing the command line and arguments. Site answers questions and lists supported compilers and platforms.
    http://www.winteracter.com/f2kcli/
    
    
30. FXDR
    Library by David W. Pierce that allows calls to the XDR (eXternal Data Representation) routines from Fortran.
    http://meteora.ucsd.edu/~pierce/fxdr_home_page.html
    
    
31. Fast Hankel Transform
    By Steve Sheng -- further details can be found in his dissertation.
    http://www.stanford.edu/~siegman/sheng_fht_package.txt
    
    
32. Fast Statistical Methods
    Fortran 90 and 77 codes by W.H. Press and G.B. Rybicki, for fast inversion matrices of an exponential form arising from autocorrelation functions of Ornstein-Uhlenbeck processes.
    http://www.lanl.gov/DLDSTP/fast/
    
    
33. Fast Wavelet Transform
    By Rick Ottolini, based on an article by Gilbert Strang.
    http://sepwww.stanford.edu/public/docs/sep65/rick2/paper_html/node2.html
    
    
34. Finite Elements
    Fortran 90 code by Jacques Laminie.
    http://www.math.u-psud.fr/~laminie/F90_lib/vers-1.04/
    
    
35. Fluid Mechanics
    NCSE Numerical Methods Library, FDLIB Fluid Dynamics Library, CFDLAB Computational Fluid Dynamics Laboratory, and BEMLIB Boundary-Element Software Library by C. Pozrikidis, Professor of Fluid Mechanics.
    http://stokes.ucsd.edu/c_pozrikidis/mainpage.html
    
    
36. Fortran 77 Codes
    Programs by John A. Strain to count zeros of the zeta function, compute the Fast Gauss Transform, and use spectral methods to solve nonlinear parabolic systems.
    http://math.berkeley.edu/~strain/Codes/
    
    
37. Fortran 77 Codes
    Programs by Niklaus Zimmermann for climate data analysis, moving window regression, soil profile analysis, and testing predictive (simulated) maps.
    http://www.wsl.ch/staff/niklaus.zimmermann/programs/f77.html
    
    
38. Fortran 90 Software Repository
    Has short, concise examples of specific features of the Fortran 90, 95 or 2003 language.
    http://www.nag.com/nagware/examples.asp
    
    
39. Fortran 90 codes of John Burkardt
    Translations of Fortran 77 packages Lapack, Linpack, Eispack, Quadpack, and others. Code for graphics, finite elements, random number generation, and other topics.
    http://www.csit.fsu.edu/~burkardt/f_src/f_src.html
    
    
40. Fortran Bits'n'pieces
    Fortran sources, including Function Parser, that caches functions (for repetitive calling) and compiles functions to a byte-code representation to speed repeated evaluations. By Stuart Midgley.
    http://smidgley.customer.netspace.net.au/fortran/
    
    
41. Fortran CGI
    F77 CGI examples using GET and POST.
    http://www.fcc.gov/mb/audio/bickel/colorit.html
    
    
42. Fortran Library Links
    Gary Scott's extensive collection of source code links.
    http://www.fortranlib.com/freesoft.htm
    
    
43. Fortran Programmers Club
    Windows 95/98/NT/2000 applications programming in FORTRAN, by Vladimir V. Vasilchenko. Numerous samples of GUIs, using controls and common controls.
    http://els.donpac.ru/usr/golub/fortran/
    
    
44. Fortran Resources (Lahey)
    A collection of links provided by a vendor of Fortran compilers.
    http://www.lahey.com/other.htm
    
    
45. Fortran Resources - Garnatz and Grovender
    Keyed file shareware in Fortran 90 and 77, Fortran 90 interface to the X Window system.
    http://www.gginc.biz/fort.html
    
    
46. Fortran Tools by Nelson Beebe
    Dcl2inc postprocesses ftnchek .dcl files to create separate include files; dtosstod converts Fortran floating-point precision; fpp is a reversible Fortran preprocessor; lprsf3 is a filter to print Fortran and SFTRAN3 files with boldface keywords; and pretty is a Fortran 66 prettyprinter.
    http://www.math.utah.edu/~beebe/software/fortran-tools.html
    
    
47. Fortran code
    Fortran 77 codes by Daniel Powers for optimization and statistics.
    http://www.la.utexas.edu/research/faculty/dpowers/fortran.html
    
    
48. Fortran78 Test Suite
    Product of the NIST Information Technology Laboratory (ITL). It is used to determine, insofar as is practical, the degree to which a Fortran processor conforms to FIPS Fortran.
    http://www.itl.nist.gov/div897/ctg/fortran_form.htm
    
    
49. Free Fortran Software
    A collection of useful links from the Fortran Market.
    http://www.fortran.com/fortran/free.html
    
    
50. Free Software (of Craig C. Douglas)
    Fortran and C codes for fast matrix multiplication and multigrid solution of PDEs.
    http://www.ccs.uky.edu/~douglas/ccd-codes.html
    
    
51. Fundamentals of Numerical Computing
    Fortran 90 codes from book by Lawrence Shampine, Richard Allen, and Steven Pruess.
    http://www.mines.edu/fs_home/spruess/saptext/f90code/
    
    
52. G77_i386_fpe_demo
    Demonstrates handling of floating point exceptions under g77/i386/Linux. By Tom Crane.
    http://www.mklab.rhul.ac.uk/~tom/g77_i386_fpe_demo/index.html
    
    
53. 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.
    http://gams.nist.gov/
    
    
54. GBYTES/SBYTES Library
    Packages to handle binary unpacking and packing, in Fortran 77 and 90.
    http://dss.ucar.edu/libraries/gbytes/
    
    
55. Gaussm3
    Fortran 90 code for Gauss-Legendre and Gaussian quadrature, and solving linear equations by Gauss and Gauss-Jordan elimination, LU and Singular Value Decomposition.
    http://www.aero.usyd.edu.au/wwwcomp/subrout.html
    
    
56. H. D. Knoble's Collection of Fortran Algorithms
    Briefly describes available programs, mostly of a tutorial nature. The codes can be obtained from http://ftp.cac.psu.edu/pub/ger/fortran/hdk/ .
    http://ftp.cac.psu.edu/pub/ger/fortran/hdk/00-index.txt
    
    
57. Hello, World
    Example of simple program in Fortran.
    http://www2.latech.edu/~acm/helloworld/fortran.html
    
    
58. Helmholtz
    Fortran 90 code to solve the Diffusion-Advection-Reaction equation in 2D.
    http://www.aero.polimi.it/~quartape/bacheca/materiale_didattico/FEM_2D_Dif_Adv_React.f90
    
    
59. High Performance Finite Elements
    Fortran 77 and 90 codes.
    http://www.featflow.de/
    
    
60. High Performance Fortran Applications Software Catalog
    Links to fragments, which are very short codes or code fragments to demonstrate the language features and constructs, kernels, which are short self-contained codes chosen as representative of particular application algorithms and their language feature requirements, and full applications codes, not necessarily stored in full locally, but registered here with relevant pointers given to the code owner/contact person.
    http://www.npac.syr.edu/hpfa/codes.html
    
    
61. Hompack90
    Suite of Fortran 90 subroutines by Layne T. Watson for solving nonlinear systems of equations by homotopy methods. There are subroutines for fixed point, zero finding, and general homotopy curve tracking problems, utilizing both dense and sparse Jacobian matrices, and implementing three different algorithms: ODE-based, normal flow, and augmented Jacobian.
    http://people.cs.vt.edu/~ltw/hompack90/
    
    
62. ISO Varying String
    Implemented in the F subset by Rich Townsend.
    http://www.fortran.com/iso_varying_string.f95
    
    
63. Image Estimation by Example
    Fortran 90 code of Jos Claerbout.
    http://sepwww.stanford.edu/sep/prof/geelib/
    
    
64. Index of /pub/ger/fortran/hdk
    A useful small collection of snippets of code, some of which is for non-numeric purposes, such as manipulating dates and times.
    http://ftp.cac.psu.edu/pub/ger/fortran/hdk/
    
    
65. Input Routines
    Fortran 90 module by Andy Stone that parses input lines into 'words', and routines that read a 'word' and translate it into a specified form, usually an integer or double-precision number. In conjunction with a simple CASE structure this provides a powerful and flexible method for organising data input. The package includes documentation, and an example program and data file as illustrations of the ways in which the module can be used to organise data. [gzipped tar file].
    http://www-stone.ch.cam.ac.uk/pub/input.tar.gz
    
    
66. Introducing Fortran 95
    Code from the book by Ian Chivers and Jane Sleightholme.
    http://www.kcl.ac.uk/kis/support/cit//fortran/f90home.html#2.0
    
    
67. Introduction to F
    Examples of the F (Fortran 95 subset) language, by Harvey Gould.
    http://sip.clarku.edu/tutorials/F.html
    
    
68. Introduction to Scientific Computing
    Fortran and C codes in gzipped tar file from book by Brigitte Lucquin and Olivier Pironneau.
    http://www.ann.jussieu.fr/soft/calsci.tar.gz
    
    
69. Iounits.f
    Fortran 77 module to automatically assign i/o unit numbers, by Judah Milgram.
    http://www.glue.umd.edu/~milgram/iounits.html
    
    
70. JPL Planetary and Lunar Ephemerides on CD-ROM by Standish, et. al
    Contains three different Jet Propulsion Laboratory Planetary and Lunar Ephemerides (DE200, DE405, and DE406) along with associated reading and interpolating routines, allowing the user to obtain the rectangular coordinates of the sun, moon, and nine major planets by means of a subroutine written in standard Fortran.
    http://www.willbell.com/software/jpl.htm
    
    
71. Jeff Cameron's Fortran code
    Code for the VMS operating system and for a fractal figure called Sierpinski's Gasket.
    http://www.jcameron.com/vms/fortran.htm
    
    
72. Jon Ahlquist's date manipulation code
    Conversion to and from Julian dates, day-of-week and other date calculations, plus historical information. See also datesub.f90 at http://users.bigpond.net.au/amiller/
    ftp://ftp.met.fsu.edu/pub/calendar_software
    
    
73. Jugoslav Dujic's Fortran Resources
    XFT (eXtended Fortran Types) is a set of Fortran modules which wrap some Win32 APIs, the Dialog Management section has an enhanced DFLOGM module from CVF 6 and the Win32 Headers section has translations of some C header files that were not (yet?) incorporated in CVF.
    http://www.geocities.com/jdujic/fortran/efindex
    
    
74. KindFinder
    Fortran 90 program by Werner W. Schultz that checks for the available KIND parameters available for a given Fortran 90 or 95 compiler. It prints into a file a new Fortran program that can be compiled to write into a unit the various parameters that describe each integer/real representation.
    http://www.unics.uni-hannover.de/rrzn/gehrke/kindfind.f90
    
    
75. LFA_Search
    Fortran 90 code by Chad M. Schafer to numerically approximate the least favorable alternative (LFA) and least regrettable alternative (LRA). These define the minimax expected size and minimax regret confidence procedures, respectively.
    http://128.32.135.2/users/cschafer/LFA_Search/index.html
    
    
76. Lahey's Fortran Code Repository
    Fortran codes for various tasks.
    http://www.lahey.com/code.htm
    
    
77. Linear Algebra and Econometrics
    SPARSEM is a collection of sparse matrix classes that makes programming with sparse matrices (and large problems) almost as easy as a matrix language. BLUPF90 is a BLUP program written using SPARSEM. REMLF90 is a REML version of BLUPF90 that uses accelerated EM algorithm. Other programs included are dense matrix module DENSEOP, Gibbs sampling program GIBBS90, and several versions of linear-threshold models. By Ignacy Misztal and collaborators.
    http://nce.ads.uga.edu/~ignacy/numpub/blupf90/
    
    
78. Lucent Technologies (Bell Labs.) Non-Exclusive Limited-Use Software
    An old but dependable library of Fortran 77 code which includes approximation, ODE/PDE solution, linear algebra, optimization, quadrature, root finding, special functions and FFTs. You must agree to single-user licence conditions before downloading a gzipped tar file (1Mb).
    http://www-out.bell-labs.com/cgi-user/swdist/distribution/
    
    
79. MPLOT
    Package of MATLAB-style-callable routines for plain graphics by Valery E.Grikurov, Professor of Mathematics and Mathematical Physics. RGB color scheme is used (TrueColor mode supported).
    http://mph.phys.spbu.ru/~grikurov/mPlot.f90
    
    
80. MathFinance - Financial Functions Library
    Fortran 90 code for the Cox-Ross-Rubinstein binomial model, the analytic Black-Scholes formula, and Monte Carlo Simulation.
    http://www.mathfinance.de/FF/f90lib.html
    
    
81. Memory Leaks
    Fortran 90 test program by Arjen Markus to see if memory leaks originating from derived-types can be circumvented.
    http://ftp.aset.psu.edu/pub/ger/fortran/Markus/noleaks.f90
    
    
82. Moisture Content Adjustment
    Code to predict a property (P2) of dimension lumber at a target moisture content (MC2) given the value of the property (P1) at an initial moisture content (MC1).
    http://www1.fpl.fs.fed.us/vicki/mcadjust.html
    
    
83. Multivariate Normal Probabilities and Quadratic Assignment Problems
    Codes by Professor Zvi Drezner.
    http://business.fullerton.edu/zdrezner/programs.htm
    
    
84. NAS Parallel Benchmarks
    Set of eight programs designed to help evaluate the performance of parallel supercomputers. The benchmarks, which are derived from computational fluid dynamics (CFD) applications, consist of five kernels and three pseudo-applications.
    http://www.nas.nasa.gov/Software/NPB/
    
    
85. 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
    http://www.uni-koeln.de/themen/mathematik/nswc.html
    
    
86. Navier-Stokes equation
    Fortran 90 and 77 codes by Reidar Kristoffersen.
    http://motor.maskin.ntnu.no/dio1008/
    
    
87. Ncregrid
    Tool by Patrick Jöckel for data transfer of gridded 2- and 3-dimensional (spatial) geophysical/geochemical scalar fields between grids of different resolutions. The algorithm handles data on rectangular latitude/longitude grids (not necessarily evenly spaced) and vertical pressure hybrid grids of arbitrary resolution. The input/output data format is netCDF.
    http://www.mpch-mainz.mpg.de/~joeckel/ncregrid/
    
    
88. Nick Yas'ko Products
    Codes for ANSI control sequences, solving linear equations, and creating Poscript graphics. At http://www.uni-koblenz.de/~yasko/BEM/codes.htm there are links to codes for boundary elements and to test Fortran 90 and 95 compilers.
    http://www.uni-koblenz.de/~yasko/products.htm
    
    
89. Numerical Analysis
    Codes for the book by Richard L. Burden and J. Douglas Faires.
    http://www.as.ysu.edu/~faires/Numerical-Analysis/DiskMaterial/programs/fortran/
    
    
90. Numerical Electromagnet Code (NEC) Archives
    Code in Fortran, C, and Basic.
    http://www.qsl.net/wb6tpu/swindex.html
    
    
91. Numerical Methods
    Code for algebraic and transcendental equations, systems of linear equations, interpolation routines, numerical integration, eigenvalues, and special functions, by Abdusamad Salih.
    http://www.sali.freeservers.com/engineering/fortran.html
    
    
92. Numerical Methods
    Fortran 90 codes for a course.
    http://www.chem.au.dk/~teo/mainmenu/Staff/Stinne/numerical_methods.html
    
    
93. Numerical Methods and Software
    Code from book and for nonlinear optimization and matrix equations, by Stephen Nash.
    http://iris.gmu.edu/~snash/nash/software/software.html
    
    
94. 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.
    http://www.nr.com/
    
    
95. Numerical and Statistical Codes
    By Jean-Pierre Moreau.
    http://perso.wanadoo.fr/jean-pierre.moreau/fortran.html
    
    
96. OSCall
    OS Command line interface utility for Compaq/Intel Visual Fortran with immediate return or wait specified in milliseconds (routine automatically quotes the command string).
    http://www.fortranlib.com/OSCall.f90
    
    
97. Ooura's Mathematical Software Packages
    Quadrature, FFT (1D & 2D), Bessel functions, and GAMERF (gamma and error functions, including quadruple precision).
    http://momonga.t.u-tokyo.ac.jp/~ooura/index.html
    
    
98. Open-Source Software
    Codes by Richard Brent for multiple precision arithmetic, uniform and normal random number generators, irreducible/primitive trinomials, and parallel sorting.
    http://web.comlab.ox.ac.uk/oucl/work/richard.brent/software.html
    
    
99. OpenMP Tutorial
    Has examples of Fortran codes using the Message-Passing Interface (MPI).
    http://www.dartmouth.edu/~rc/classes/intro_mpi/
    
    
100. OpenMP: Sample Programs
     Two simple examples of Fortran 77 and 90 programs using the OpenMP API for shared-memory parallel programming.
     http://www.openmp.org/index.cgi?samples
     
     
101. Orderpack 1.0 sorting and ranking routines in Fortran 90
     Public domain package by Michel Olagnon of general and specialized sorting and ranking routines in Fortran 90. Specialized routines include partial sorts, partial ranks, unique sorts, unique ranks, partial and unique sorts, as well as partial and unique ranks.
     http://www.fortran-2000.com/
     
     
102. 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.
     http://users.bigpond.net.au/amiller/
     
     
103. PDEs and linear equations
     Fortran and C codes by Dong Liang.
     http://www.math.yorku.ca/Who/Faculty/dliang/MATH4142/codes.html
     
     
104. PNNL Fortran Library (FLIB)
     Mainly non-numeric library for handling text, including parsing, accessing the command line, dates and times, and some random number generation.
     http://www.pnl.gov/berc/flib/
     
     
105. PORT Mathematical Subroutine Library
     Collection of Fortran 77 routines that address many traditional areas of mathematical software, including approximation, ordinary and partial differential equations, linear algebra and eigensystems, optimization, quadrature, root finding, special functions, and Fourier transforms, but excluding statistical calculations. PORT stands for Portable, Outstanding, Reliable, and Tested.
     http://www.bell-labs.com/project/PORT/
     
     
106. PSIDE (Parallel Software for Implicit Differential Equations)
     Code for solving implicit differential equations on shared memory parallel computers, by Jacques J.B. de Swart, Walter M. Lioen, and Wolter A. van der Veen.
     http://www.cwi.nl/archive/projects/PSIDE/
     
     
107. Panel Code (Aeronautics)
     By Professor Kevin D. Jones of the U.S. Naval Postgraduate School.
     http://www.aa.nps.navy.mil/~jones/online_tools/panel/source/
     
     
108. Parallel Sparse Symmetric Direct Solver (PSPASES)
     High performance, scalable, parallel, MPI-based library, intended for solving linear systems of equations involving sparse symmetric positive definite matrices. The library provides various interfaces to solve the system using four phases of direct method of solution: compute fill-reducing ordering, perform symbolic factorization, compute numerical factorization, and solve triangular systems of equations.
     http://www-users.cs.umn.edu/~mjoshi/pspases/index.html
     
     
109. Peter Benner Fortran 77 code
     SLICOT Subroutine Library in Control Theory, Parallel Library in Control (PLiC) for large-scale time-invariant linear control systems in state-space form on parallel distributed computers, eigenvalues of Hamiltonian Matrices, subroutines for compressing a symmetric or triangular matrix to packed storage mode or to unpack a packed array to full storage mode, benchmark examples of discrete-time algebraic Riccati equations, benchmark examples of continuous-time algebraic Riccati equations.
     http://www.math.tu-berlin.de/~benner/Software/index_de.html
     
     
110. Practical Guide to Splines
     Code from the book by Carl de Boor.
     http://www.cs.wisc.edu/~deboor/pgs/
     
     
111. Prime
     Counts prime numbers.
     http://www.math.utah.edu/prime.html
     
     
112. Problem Generators
     Generators for linear ordering and clustering problems, by John E. Mitchell.
     http://www.rpi.edu/~mitchj/generators/
     
     
113. PsSchur
     Computes the periodic real Schur decomposition of a matrix product. By Kurt Lust.
     http://www.cs.kuleuven.ac.be/~kurt/r_psSchur.html
     
     
114. Public Domain Aeronautical Software (PDAS)
     Programs for aeronautical engineering, many from NASA or USAF, complete with public domain source code, instructions and sample cases on CD-ROM. [Commercial]
     http://www.pdas.com/
     
     
115. RIM: Computing the Acoutic Field Surrounding a Vibrating Plate
     Shareware by Stephen Kirkup.
     http://www.soundsoft.demon.co.uk/rimcode.htm
     
     
116. Robert Parker Software
     Plotxy allows the user, either interactively at the terminal, or though scripts, to create simple graphs in the x-y plane. It gives the user complete of control of many aspects of the graph (eg, picture size, text font, line weight, math and Greek symbols, color palette specification). Color produces contour diagrams, with Contour producing a B/W equivalent. Magmap maps magnetic field components using spherical harmonic representations. PSD estimates the Power Spectral Density of a time series. Cross calculates frequency domain functions from a pair of input time series.
     http://mahi.ucsd.edu/parker/Software/software.html
     
     
117. Roland Schmehl's Fortran parser
     Another parser of Fortran code.
     http://www.its.uni-karlsruhe.de/~schmehl/functionparserE.html
     
     
118. Rule Learning
     Code estimates the population rule learning model on experimental data.
     http://www.eco.utexas.edu/Homepages/Graduate/Haruvy/experimental/rlindx.htm
     
     
119. Selected Publications and Unpublished Software of Patrick Keast
     Code for partial differential equations, quadrature, and the solution of linear systems, with associated papers.
     http://www.mscs.dal.ca/~keast/research/pubs.html
     
     
120. ShareBufferWin32
     Easy Inter-Process Shared Memory Communication Utilities for Win32 using a simple Fortran 77-style interface. Written for Compaq Visual Fortran by Gary Scott.
     http://www.fortranlib.com/ShareBufferWin32.f90
     
     
121. Simulation of Time-dependent Variable Density Flows
     Uses a semi-implicit time marching scheme.
     http://combust1.mech-eng.uiowa.edu/diffusion_flame/dif_flm.html
     
     
122. Single Crystal and Powder Diffraction
     Many Fortran codes -- search for "fortran" on site.
     http://www.ccp14.ac.uk/mirror/mirror.htm
     
     
123. Software by P.B. Stark and Coauthors
     Bvls.f solves least-squares problems with bounds on the variables. Qr.f computes QR decompositions in a stable way. Sbl1.f finds bounds on linear functionals of an n-vector subject to an l1 constraint on the misfit to a set of linear relations, and linear inequality constraints on the variables. Sbvq.f finds bounds on linear functionals of an n-vector subject to a quadratic constraint on the misfit to a set of linear relations, and linear inequality constraints on the variables.
     http://128.32.135.2/~stark/Code/
     
     
124. SophtwareKodeWerks
     Fortran 77 codes to solve the quadratic equation, solve a nonlinear equation using the Newton-Raphson method, fit a simple linear regression, and solve a system of equations using Gaussian elimination.
     http://www.sophtwarekodewerks.com/fortran.html
     
     
125. Special Functions code
     Routines to accompany the book "Computation of Special Functions", by Shanjie Zhang and Jianming Jin.
     http://iris-lee3.ece.uiuc.edu/~jjin/routines/routines.html
     
     
126. Starlink
     Astronomy software, much in Fortran.
     http://star-www.rl.ac.uk/
     
     
127. Stefan Goedecker's Free Software
     Fast Fourier Transforms and Silicon interatomic potentials.
     http://www.unibas.ch/comphys/comphys/SOFTWARE/index.html
     
     
128. StopWatch
     Fortran 90 module, by William Mitchell, for measuring execution time of program segments. It is designed to be a portable, easy-to-use means of measuring execution time.
     http://math.nist.gov/~WMitchell/StopWatch.html/
     
     
129. 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.
     http://www.simplex.t.u-tokyo.ac.jp/~sugihara/opensoft/opensofte.html
     
     
130. TLM3D
     Code by J. L. Herring for transmission line modelling of electromagnetic fields in 3-dimensions using the symmetrical condensed node.
     http://www.wjrh.ece.uvic.ca/wjrh/tlm/prog-fortran.html
     
     
131. TRIMHAP
     Implements linkage disequilibrium mapping techniques.
     http://www.vipbg.vcu.edu/trimhap/
     
     
132. Texas KZK Time Domain Code
     Fortran 77 time-domain computer code to model axisymmetric sound beams in fluids. The code is based on an augmented KZK equation that accounts for nonlinearity, diffraction, thermoviscous absorption, and absorption and dispersion due to an arbitrary number of relaxation phenomena.
     http://people.bu.edu/robinc/kzk/
     
     
133. Time Series, Climate Modeling, and other Code
     By Richard Blender.
     http://puma.dkrz.de/blender/Softwarering/
     
     
134. Tomasz Plewa's Numerical methods directory
     Directory of links to numerical analysis sites, many of which contain software.
     http://www.labyrinth.net.au/~ctrans/tomasz.html
     
     
135. Twist: a Compression Utility
     Compression tool tailored for fields where node-to-node variations are small, and where undefined (dry) nodes are abundant.
     http://projects.dnmi.no/~telecon/twist/
     
     
136. Utilities in Fortran 90
     Fortran 90 code by Michel Olagnon: pre-processor and pretty-printer, with command-line interface for Unix, fsplit utility for splitting large files into separate ones for each procedure, PostScript converter, interface bloc generator, and format creator for numeric strings.
     http://www.ifremer.fr/ditigo/molagnon/fortran90/contenu.html
     
     
137. Vadar
     Structural analysis of protein coordinate data.
     http://www.pence.ca/software/vadar/latest/vadar.html
     
     
138. Voigt and Complex Error Function
     By F. Schreier.
     http://www.op.dlr.de/ne-oe/ir/voigt.html
     
     
139. Wavelet Analysis
     Code to accompany book by Christopher Torrence and Gilbert P. Compo.
     http://paos.Colorado.EDU/research/wavelets/
     
     
140. Wild-card String Matching
     Fortran 77 code by Clive Page to do wild-card matching to a pattern, which may contain "?" to match any single character, and "*" to match zero or more consecutive characters of any type.
     http://www.star.le.ac.uk/~cgp/match_wild.f
     
     
141. XML
     Module by Mart Rentmeester that reads and interprets XML in standard Fortran 95.
     http://nn-online.sci.kun.nl/fortran/xml/
     
     
142. XML-Fortran
     Aims to be a library that allows programmers to access XML files.
     http://sourceforge.net/projects/xml-fortran/
     
     
143. f90gl
     Interface for OpenGL and GLUT. By William Mitchell.
     http://math.nist.gov/~WMitchell/f90gl/
     
     
144. xmlf90, an XML parser in Fortran90
     Written by Alberto Garcia in the F subset of Fortran 95, freely available under the BSD license.
     http://lcdx00.wm.lc.ehu.es/ag/xml/
     
     

Shortcuts: Arts Business Computers Games Health Home News Recreation Reference Regional Science Shopping Society Sports