c (i) The original colrow software: J. C. Daz, G. Fairweather and 
c P. Keast, Algorithm 603: COLROW and ARCECO: FORTRAN Packages for 
c Solving Certain Almost Block Diagonal Linear Systems by Modified 
c Alternate Row and Column Elimination, ACM Transactions on 
c Mathematical Software, Volume 9,  Issue 3, (September 1983),
c Pages: 376-380, 1983, ISSN:0098-3500.
c This software has been published in the Collected Algorithms of
c the Association for Computing Machinery (ACM) calgo.acm.org and
c is thus subject to ACM Software Copyright and License Agreement
c www.acm.org/pubs/copyright_policy/softwareCRnotice.html.
c We have modified this source code slightly: declarations like 
c array(1) were changed to array(*).

c (ii) From the LINPACK (www.netlib.org/linpack/index.html)numerical 
c software collection: dsvdc (www.netlib.org/linpack/dsvdc.f).
c We have modified this source code slightly: declarations like 
c array(1) were changed to array(*). The LINPACK website does not
c provide any comment on legal restrictions associated with the
c use of this software.

c (iii) From the BLAS (www.netlib.org/blas/) numerical software 
c collection: daxpy,ddot,dscal,dswap,dnrm2,drotg. These routines 
c are subject to the following legal restrictions: 
c www.netlib.org/blas/faq.html#2
