FLOYD is a FORTRAN77 library which demonstrates Floyd's algorithm for finding the shortest distance between every pair of nodes in a directed graph.
The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.
FLOYD is available in a C version and a C++ version and a FORTRAN90 version and a FORTRAN77 version and a MATLAB version.
BELLMAN_FORD, a FORTRAN77 library which implements the Bellman-Ford algorithm for finding the shortest distance from a given node to all other nodes in a directed graph whose edges have been assigned real-valued lengths.
CITIES, a FORTRAN90 library which handles various problems associated with a set of "cities" on a map.
CITIES, a dataset directory which contains a number of city distance datasets.
CODEPACK, a FORTRAN90 library which computes "codes" that can determine if two graphs are isomorphic.
DIJKSTRA, a FORTRAN77 program which runs a simple example of Dijkstra's minimum distance algorithm for graphs.
GRAFPACK, a FORTRAN90 library which computes various quantities associated with mathematical graphs.
GRAPH_REPRESENTATION, a data directory which contains examples of ways of representing abstract mathematical graphs
GRF, a data directory which contains a description of the GRF format and some examples.
GRF_IO, a FORTRAN90 library which reads and writes GRF files.
GRF_TO_EPS, a FORTRAN90 library which can make an encapsulated PostScript image of a GRF file.
TOMS097, a FORTRAN77 library which computes the distance between all pairs of nodes in a directed graph with weighted edges, using Floyd's algorithm.
You can go up one level to the FORTRAN90 source codes.