2022-09-20 Jaroslav Fowkes Version 2.2.1. Fix memory leaks in spec tests. 2014-02-13 Jonathan Hogg Version 2.2.0. Add an error flag for matrices that exceed 32-bit addressable arrays. 2013-04-02 Jonathan Hogg Version 2.1.0. Change away from Hollerith IO to something F95 compliant. 2007-04-03 Version 2.0.0. Uses HSL_ZD11 instead of HSL_ZD01. Calls of matrix_fill replaced by in-line code. Several automatic arrays replaced by allocatables. Function iexpand1 made into a subroutine. Cosmetic changes made. 2004-07-23 Version 1.1.0. In subroutine kl, target attribute given to matrix, graph, and col_wgt. Target attribute given to grid in 5 places. 2004-07-12 Version 1.0.0. Version numbering added. 2003-09-03 Jennifer Scott Default for MAX_IMBALANCE changed to 0.01 (to agree with spec. sheet). 2003-02-04 Jennifer Scott Length of row_order changed from n to m. 2001-11-20 Use hsl_fa14 2001-03-25 Original version