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  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. |
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 90 codes for a course. |
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). |
Regional to stormscale atmospheric modeling and prediction system, written in Fortran 90 and released in the public domain. Includes detailed documentation. |
Astronomy software, much in Fortran. |
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. |
Has short, concise examples of specific features of the Fortran 90, 95 or 2003 language. |
A collection of links provided by a vendor of Fortran compilers. |
Fortran codes for various tasks. |
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]. |
Factorial function, iterative computation of the square root, nonadvancing I/O, dynamic arrays, Towers of Hanoi, and other topics. |
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. |
A generic uni-directional linked list with sample list operations, written in Fortran 90 by Roger Young and Peter McGavin. |
Implemented in the F subset by Rich Townsend. |
Fortran 77 code to compute the day of the week of a date using the Zeller congruence algorithm. |
Fortran 77 string tokenizer, similar to the C function. |
Interactive program in Fortran 77 and C for the design and analysis of subsonic isolated airfoils, released under the GNU General Public License. |
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. |
Programs for aeronautical engineering, many from NASA or USAF, complete with public domain source code, instructions and sample cases on CD-ROM. [Commercial] |
Fortran Portability Project, Fortran 2003 examples, and Fortran modules. |
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. |
Counts prime numbers. |
Fortran 77 module to automatically assign i/o unit numbers, by Judah Milgram. |
Code to accompany book by Christopher Torrence and Gilbert P. Compo. |
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. |
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. |
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. |
By Rick Ottolini, based on an article by Gilbert Strang. |
Directory of links to numerical analysis sites, many of which contain software. |
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. |
Generators for linear ordering and clustering problems, by John E. Mitchell. |
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. |
Codes for multiple precision arithmetic, uniform and normal random number generators, irreducible/primitive trinomials, and parallel sorting. Released under the GNU General Public License. |
Code for partial differential equations, quadrature, and the solution of linear systems, with associated papers. |
Package for curvilinear orthogonal grid generation, which creates an orthogonal grid when provided with boundary information. |
Codes by Professor Zvi Drezner. |
Has examples of Fortran codes using the Message-Passing Interface (MPI). |
Links to chemistry, physics, and engineering codes, many in Fortran. |
Implements the draft F2K standard for accessing the command line and arguments. Site answers questions and lists supported compilers and platforms. |
A library for parsing Unix style command line arguments, written by John S. Urban. Provides source code and examples. |
Free code to help you develop neural networks. |
Aims to be a library that allows programmers to access XML files. |
A Fortran 90 library by Alexander Poddey to access (read and write) XML (and similar) structured files via a linked list. This is conceptually different from the SAX approach. The data can be held and 'browsed' in memory. |
Demonstrates handling of floating point exceptions under g77/i386/Linux. By Tom Crane. |
Fortran and C codes for fast matrix multiplication and multigrid solution of PDEs. |
Fortran 90 code for the Cox-Ross-Rubinstein binomial model, the analytic Black-Scholes formula, and Monte Carlo Simulation. |
Fortran and C codes by Dong Liang. |
Code by J. L. Herring for transmission line modelling of electromagnetic fields in 3-dimensions using the symmetrical condensed node. |
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). |
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. |
Packages to handle binary unpacking and packing, in Fortran 77 and 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. |
Fortran 90 test program by Arjen Markus to see if memory leaks originating from derived-types can be circumvented. |
Code by John H. Matthews to accompany the book Numerical Methods for Mathematics, Science, and Engineering, Second Edition. |
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/ |
Implements linkage disequilibrium mapping techniques. |
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. |
Translations of Fortran 77 packages Lapack, Linpack, Eispack, Quadpack, and others. Code for graphics, finite elements, random number generation, and other topics. |
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. |
Code from book and for nonlinear optimization and matrix equations, by Stephen Nash. |
Fortran 90 codes from introductory course by John Mahaffy. |
Code from the second edition of the book Alan R. Miller. |
Example of simple program in Fortran. |
Code for boundary integral equations, by Kendall E. Atkinson. |
Library by David W. Pierce that allows calls to the XDR (eXternal Data Representation) routines from Fortran. |
By Matthew B. Kennel. Accompanying paper is at http://adsabs.harvard.edu/abs/2004physics...8067K. |
Keyed file shareware in Fortran 90 and 77, Fortran 90 interface to the X Window system. |
Fortran 77 CGI examples using GET and POST. |
Fortran and C code from book by Singiresu Rao. |
Fortran 95 code by Paul van Delst for type kinds, comparing floating numbers, error handlers, file processing, endian conversion, list processing, string processing, dates, and fundamental constants. |
Code for the VMS operating system and for a fractal figure called Sierpinski's Gasket. |
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. |
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. |
Fortran 77 codes by Daniel Powers for optimization and statistics. |
Fortran 90 codes to integrate Ito stochastic differential equations, generate random numbers, compute the FFT, and time programs. |
Examples of the F (Fortran 95 subset) language, by Harvey Gould. |
Shareware by Stephen Kirkup. |
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. |
A coupled system of climate components for Earth, Mars and Titan developed at the University of Hamburg. Includes Fortran 90 source code, papers, images, and a forum. |
Fortran and C codes in gzipped tar file from book by Brigitte Lucquin and Olivier Pironneau. |
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. |
Easy Inter-Process Shared Memory Communication Utilities for Win32 using a simple Fortran 77-style interface. Written for Compaq Visual Fortran by Gary Scott. |
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 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. |
Gary Scott's collection of source code links. |
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. |
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 |
Code for sets, graphs, multi-precision integers, and polynomials. |
Fast Fourier Transforms and Silicon interatomic potentials. |
By Professor Kevin D. Jones of the U.S. Naval Postgraduate School. |
Compression tool tailored for fields where node-to-node variations are small, and where undefined (dry) nodes are abundant. |
Random generator networks and other algorithms. |
Programs by Niklaus Zimmermann for climate data analysis, moving window regression, soil profile analysis, and testing predictive (simulated) maps. |
Written by Alberto Garcia in the F subset of Fortran 95, freely available under the BSD license. |
Codes for ANSI control sequences, solving linear equations, and creating Poscript graphics. |
Generation of subsets and permutations, Hamiltonian cycles, determinants and permanents, network flow, and minimum spanning trees. |
Paper by Jason R. Blevins with accompanying source code. Develops a standard conforming list which is capable of storing data of an any type. |
Subroutines for control theory, calculating eigenvalues of Hamiltonian matrices, packing and unpacking symmetric or triangular matrices, and examples of discrete- and continuous-time algebraic Riccati equations. |
Fortran 90 code by Jacques Laminie. |
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. |
Fortran 90 code by Abraham Agay. |
Code in Fortran, C, and Basic. |
Fortran 77 package to generate unstructured triangular meshes adapted to a solution function defined at mesh nodes. |
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. |
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. |
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. |
Codes to time floating point and integer arithmetic, intrinsic functions, and random access to memory. |
By Jean-Pierre Moreau. |
Fortran 77 and 90 codes. |
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. |
Quadrature, FFT (1D & 2D), Bessel functions, and GAMERF (gamma and error functions, including quadruple precision). |
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