Source Code Fortran Languages

Fortran source code mainly for numerical computations, particularly in linear algebra (solution of linear equations, eigenvalues, etc.), evaluation of special functions, constrained, unconstrained and global optimization, probability, statistics (particularly least squares), and random number generation. See the main Fortran section for Fortran standards and compilers.

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• - Fortran 77 code to simulate weather, with associated data files.
  
• - 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 accelera
  
• - 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
  
• - Compression tool tailored for fields where node-to-node variations are small, and where undefined (dry) nodes are abundant.
  
• - Example of simple program in Fortran.
  
• - Fast Fourier Transforms and Silicon interatomic potentials.
  
• - Examples of the F (Fortran 95 subset) language, by Harvey Gould.
  
• - 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.
  
• - 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 gz
  
• - By Rick Ottolini, based on an article by Gilbert Strang.
  
• - Fortran 90 code by Jacques Laminie.
  
• - Geometric Software   (by Kokichi Sugihara) for Voronoi diagrams in 2D and 3D, and convex hulls in 3D and 4D.
  
• - 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.
  
• - Fortran 90 codes from book by Lawrence Shampine, Richard Allen, and Steven Pruess.
  
• - Codes for a number-crunching benchmark, reading Internet URL addresses, and partially convertng C code to Fortran 90.
  
• - Quadrature, FFT (1D & 2D), Bessel functions, and GAMERF (gamma and error functions, including quadruple precision).
  
• - By Steve Sheng -- further details can be found in his dissertation.
  
• - Keyed file shareware in Fortran 90 and 77, Fortran 90 interface to the X Window system.
  
• - 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.
  
• - 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.
  
• - 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 desc
  
• - Easy Inter-Process Shared Memory Communication Utilities for Win32 using a simple Fortran 77-style interface. Written for Compaq Visual Fortran by Gary Scott.
  
• - 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?) incorpor
  
• - 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 abou
  
• - 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.
  
• - Windows 95/98/NT/2000 applications programming in FORTRAN, by Vladimir V. Vasilchenko. Numerous samples of GUIs, using controls and common controls.
  
• - 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.
  
• - 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
  
• - Fortran 77 code to compute the day of the week of a date using the Zeller congruence algorithm.
  
• - 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.
  
• - Fortran and C codes for fast matrix multiplication and multigrid solution of PDEs.
  
• - Translations of Fortran 77 packages Lapack, Linpack, Eispack, Quadpack, and others. Code for graphics, finite elements, random number generation, and other topics.
  
• - Links to chemistry, physics, and engineering codes, many in Fortran.
  
• - Code from the book by Ian Chivers and Jane Sleightholme.
  
• - 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 majo
  
• - Gary Scott's extensive collection of source code links.
  
• - Manuals and Fortran source codes for the solution of Laplace, Helmholtz and acoustics problems by the boundary element method.
  
• - Code from the book "Fortran Programs for Scientists and Engineers", 2nd. ed. (1988).
  
• - Fortran 90 codes from introductory course by John Mahaffy.
  
• - A collection of useful links from the Fortran Market.
  
• - Programs for aeronautical engineering, many from NASA or USAF, complete with public domain source code, instructions and sample cases on CD-ROM. [Commercial]
  
• - Mainly non-numeric library for handling text, including parsing, accessing the command line, dates and times, and some random number generation.
  
• - Code for boundary integral equations, by Kendall E. Atkinson.
  
• - Given code as input, it generates code for derivatives including gradients and hessians.
  
• - Shareware by Stephen Kirkup.
  
• - Interface for OpenGL and GLUT. By William Mitchell.
  
• - Two simple examples of Fortran 77 and 90 programs using the OpenMP API for shared-memory parallel programming.
  
• - 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.
  
• - Implements linkage disequilibrium mapping techniques.
  
• - Code for the VMS operating system and for a fractal figure called Sierpinski's Gasket.
  
• - Code for partial differential equations, quadrature, and the solution of linear systems, with associated papers.
  
• - 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 rec
  
• - Packages to handle binary unpacking and packing, in Fortran 77 and 90.
  
• - Fortran Portability Project, Fortran 2003 examples, and Fortran modules.
  
• - 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 numbe
  
• - Programs by Niklaus Zimmermann for climate data analysis, moving window regression, soil profile analysis, and testing predictive (simulated) maps.
  
• - 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 re
  
• - 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.
  
• - 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).
  
• - Code estimates the population rule learning model on experimental data.
  
• - Code from book and for nonlinear optimization and matrix equations, by Stephen Nash.
  
• - Fortran 77 string tokenizer, similar to the C function.
  
• - Fortran 77 codes by Daniel Powers for optimization and statistics.
  
• - By Professor Kevin D. Jones of the U.S. Naval Postgraduate School.
  
• - Fortran codes for various tasks.
  
• - Fortran 90 code by Abraham Agay.
  
• - Written by Alberto Garcia in the F subset of Fortran 95, freely available under the BSD license.
  
• - Codes by Richard Brent for multiple precision arithmetic, uniform and normal random number generators, irreducible/primitive trinomials, and parallel sorting.
  
• - Has short, concise examples of specific features of the Fortran 90, 95 or 2003 language.
  
• - 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).
  
• - Generation of subsets and permutations, Hamiltonian cycles, determinants and permanents, network flow, and minimum spanning trees.
  
• - Aims to be a library that allows programmers to access XML files.
  
• - 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 f
  
• - 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 powerf
  
• - By Jean-Pierre Moreau.
  
• - Fortran 90 code to solve the Diffusion-Advection-Reaction equation in 2D.
  
• - Generators for linear ordering and clustering problems, by John E. Mitchell.
  
• - 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
  
• - Astronomy software, much in Fortran.
  
• - Derivatives of the Incomplete Beta Function, by Robert J. Boik and James F. Robison-Cox.
  
• - Code in Fortran, C, and Basic.
  
• - 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 loa
  
• - Fortran 90 code for Gauss-Legendre and Gaussian quadrature, and solving linear equations by Gauss and Gauss-Jordan elimination, LU and Singular Value Decomposition.
  
• - Library by David W. Pierce that allows calls to the XDR (eXternal Data Representation) routines from Fortran.
  
• - 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
  
• - Codes by Professor Zvi Drezner.
  
• - Counts prime numbers.
  
• - Codes for ANSI control sequences, solving linear equations, and creating Poscript graphics.
  
• - 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 sp
  
• - Fortran 90 codes for a course.
  
• - 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/
  
• - Has examples of Fortran codes using the Message-Passing Interface (MPI).
  
• - Another parser of Fortran code.
  
• - 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 r
  
• - 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
  
• - Codes to time floating point and integer arithmetic, intrinsic functions, and random access to memory.
  
• - Fortran 77 and 90 codes.
  
• - Fortran 90 codes to solve ordinary and partial differential equations, tridiagonal linear systems and to simulate some problems involving lakes and rivers.
  
• - By Richard Blender.
  
• - Code by J. L. Herring for transmission line modelling of electromagnetic fields in 3-dimensions using the symmetrical condensed node.
  
• - Fortran 77 module to automatically assign i/o unit numbers, by Judah Milgram.
  
• - Code to accompany book by Christopher Torrence and Gilbert P. Compo.
  
• - Demonstrates handling of floating point exceptions under g77/i386/Linux. By Tom Crane.
  
• - 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 function
  
• - Sourcecode of programs, mostly of a tutorial nature.
  
• - 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.
  
• - 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 pret
  
• - Computes the periodic real Schur decomposition of a matrix product. By Kurt Lust.
  
• - By F. Schreier.
  
• - 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
  
• - Package for curvilinear orthogonal grid generation, which creates an orthogonal grid when provided with boundary information.
  
• - Fortran 90 codes to integrate Ito stochastic differential equations, generate random numbers, compute the FFT, and time programs.
  
• - Develops a vectorial graphical library in DXF (Drawing Interchange Format) format for Fortran 90 programmers. By Carlos Silva and Davide Santos.
  
• - Fortran 90 test program by Arjen Markus to see if memory leaks originating from derived-types can be circumvented.
  
• - Fortran and C codes by Dong Liang.
  
• - By Edward D. Throm, contains routines to provide a wide range of interfaces to the thermodynamic and transport properties. [Commercial]
  
• - 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
  
• - Fortran 90 code of Jos Claerbout.
  
• - Random generator networks and other algorithms.
  
• - Module by Mart Rentmeester that reads and interprets XML in standard Fortran 95. Also at the site is code for varying length strings, the complementary error function, an interface to the GD Graphics Library, and nucleon-nucleon potential models.
  
• - OS Command line interface utility for Compaq/Intel Visual Fortran with immediate return or wait specified in milliseconds (routine automatically quotes the command string).
  
• - 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 deco
  
• - 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.
  
• - Computational fluid dynamics Fortran 77 code associated with "Computational Gasdynamics", a book by Culbert B. Laney.
  
• - Codes by Julio F. Fernández for uniform and Gaussian random number generation, matrix diagonalization, and physical simulations.
  
• - 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.
  
• - Fortran and C codes in gzipped tar file from book by Brigitte Lucquin and Olivier Pironneau.
  
• - Implemented in the F subset by Rich Townsend.
  
• - 3-D Computational Fluid Dynamics code using the SOR method. There is a link to CPU times on various platforms, for two grid sizes.
  
• - Factorial function, iterative computation of the square root, nonadvancing I/O, dynamic arrays, Towers of Hanoi, and other topics.
  
• - Codes for the book by Richard L. Burden and J. Douglas Faires.
  
• - 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
  
• - Routines to accompany the book "Computation of Special Functions", by Shanjie Zhang and Jianming Jin.
  
• - A collection of links provided by a vendor of Fortran compilers.
  
• - Fortran 90 code for the Cox-Ross-Rubinstein binomial model, the analytic Black-Scholes formula, and Monte Carlo Simulation.
  
• - Fortran 77 CGI examples using GET and POST.
  
• - Directory of links to numerical analysis sites, many of which contain software.
  
• - Implements the draft F2K standard for accessing the command line and arguments. Site answers questions and lists supported compilers and platforms.
  
• - Code from the book by Carl de Boor.
  
• - Fortran and C code from book by Singiresu Rao.
  
  

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