Version 1.5.27  November 30, 2014

  - Updated documents.

Version 1.5.26  November 29, 2014

  - Changed names of functions lis_array_matvec2() and
    lis_array_matmat2() to lis_array_matvec_ns() and lis_array_matmat_ns(),
    respectively.

Version 1.5.25  November 28, 2014

  - Updated lis_array.c.

Version 1.5.24  November 27, 2014

  - Updated lis_array.c (thanks to Florian Lehner).

Version 1.5.23  November 26, 2014

  - Cleaned up lis_esolver_li.c.
  - Cleaned up lis_array.c.
  - Fixed convergence condition of lis_array_qr().

Version 1.5.22  November 25, 2014

  - Updated documents.

Version 1.5.21  November 24, 2014

  - Cleaned up lis_solver_*.c.
  - Added support for test6f.F90 for array operations.
  - Updated documents.

Version 1.5.20  November 23, 2014

  - Updated documents.

Version 1.5.19  November 22, 2014

  - Fixed bug in lisf_array.c (thanks to Florian Lehner).

Version 1.5.18  November 21, 2014

  - Updated documents.

Version 1.5.17  November 20, 2014

  - Updated lis_fortran.h for Win64 environment.
  - Fixed initial value related bug in GMRES to enable option -initx_zeros.

Version 1.5.16  November 19, 2014

  - Updated documents (thanks to Sushilkumar Sreekumar).

Version 1.5.15  November 18, 2014

  - Fixed order of array elements in lis_array_cgs(), lis_array_mgs(),
    and lis_array_qr().
  - Fixed memory initialization bug in lis_array_mgs().
  - Updated documents.

Version 1.5.14  November 16, 2014

  - Cleaned up programs.
  - Updated eigensolvers.
  - Added sample scripts for graphics.

Version 1.5.13  November 14, 2014

  - Updated documents.

Version 1.5.12  November 13, 2014

  - Updated documents.

Version 1.5.11  November 12, 2014

  - Updated test3b.c.

Version 1.5.10  November 11, 2014

  - Added sample scripts for graphics.

Version 1.5.9  November 9, 2014

  - Cleaned up programs.

Version 1.5.8  November 8, 2014

  - Updated documents.

Version 1.5.7  November 7, 2014

  - Fixed print format.
  - Fixed elapsed time related bug in preconditioned eigensolvers.
  - Fixed CR related bug in lis_esolver_cg.c.

Version 1.5.6  November 6, 2014

  - Updated documents.

Version 1.5.5  November 5, 2014

  - Cleaned up programs.
  - Updated documents.

Version 1.5.4  November 4, 2014

  - Fixed quad precision related bug in lis_esolver_si.c.
  - Fixed bug in test/Makefile.am.

Version 1.5.3  November 3, 2014

  - Updated eigensolvers.
  - Fixed array related bug in lis_esolver_cg.c.

Version 1.5.2  November 1, 2014

  - Added support for etest7.c for array operations.
  - Changed specification of lis_array_qr() to return number of iterations
    and error of QR algorithm.
  - Updated documents.

Version 1.5.1  October 31, 2014

  - Added support for test6.c for array operations.
  - Updated print formats.
  - Updated documents.

Version 1.5.0  October 30, 2014

  - Fixed print bug in option -conv_cond (thanks to Suguru Miyauchi).
  - Added official support for array operations.
  - Updated documents.

Version 1.4.67  October 28, 2014

  - Fixed bug in lis_array_nrmi_f() (thanks to Florian Lehner).
  - Updated lis_array.c.

Version 1.4.66  October 27, 2014

  - Updated lis_array.c.
  - Changed names of functions lis_array_dot2() and
    lis_array_invGauss() to lis_array_dot() and lis_array_ge(),
    respectively.

Version 1.4.65  October 23, 2014

  - Updated documents (thanks to Suguru Miyauchi).

Version 1.4.64  October 21, 2014

  - Updated lis_m_data_creation_AMGCG.F90.
  - Updated sample scripts for graphics.

Version 1.4.63  October 19, 2014

  - Added sample scripts for graphics (thanks to Takashi Shiroto
    and Sushilkumar Sreekumar).

Version 1.4.62  October 17, 2014

  - Fixed exception handling bug in lis_m_data_creation_AMGCG.F90
    (thanks to Takashi Shiroto).

Version 1.4.61  September 19, 2014

  - Fixed OpenMP related bug in lis_matrix_ell.c (thanks to Gerald Wedel).

Version 1.4.60  September 13, 2014

  - Fixed long double related print bugs.
  - Fixed long long int related print bugs.

Version 1.4.59  September 9, 2014

  - Updated configure.in.
  - Updated test programs in Fortran.
  - Updated documents.

Version 1.4.58  August 27, 2014

  - Added support for lis_matrix_unset() in Fortran (thanks to Takumi Yanagawa
    and Takashi Shiroto).
  - Updated test/test2f.F90.

Version 1.4.57  August 15, 2014

  - Updated lis_array.c.

Version 1.4.56  August 12, 2014

  - Updated documents.
  - Added experimental support for array operations.

Version 1.4.55  August 11, 2014

  - Updated lis_matrix_ops.c.
  - Updated lisf_matrix.c.
  - Updated documents.

Version 1.4.54  August 10, 2014

  - Updated lisf_matrix.c.

Version 1.4.53  August 9, 2014

  - Fixed print bug.
  - Updated lis_matrix_ops.c (thanks to Sushilkumar Sreekumar).

Version 1.4.52  August 7, 2014

  - Updated documents.

Version 1.4.51  August 6, 2014

  - Changed names of lis_matrix_scaling*() to lis_matrix_scale*(), respectively.
  - Updated documents.

Version 1.4.50  August 5, 2014

  - Updated documents (thanks to Sushilkumar Sreekumar).

Version 1.4.49  July 25, 2014

  - Updated documents.

Version 1.4.48  July 23, 2014

  - Cleaned up programs.
  - Updated documents.

Version 1.4.47  July 21, 2014

  - Added member intvalue to struct LIS_VECTOR.
  - Updated lis_output_vector*() and lis_output_mm_vec().
  - Updated test programs.
  - Updated win/Makefile.in.
  - Updated documents.

Version 1.4.46  July 20, 2014

  - Updated win/Makefile.in.

Version 1.4.45  July 19, 2014

  - Changed names of members *times of structs LIS_SOLVER and LIS_ESOLVER
    to *time, respectively.
  - Updated documents.

Version 1.4.44  July 18, 2014

  - Added support for lis_esolver_get_iters().
  - Updated documents.

Version 1.4.43  July 17, 2014

  - Fixed bug in lis_esolver_li().
  - Changed names of members iters and iters2 of structs LIS_SOLVER and
    LIS_ESOLVER to iter and iter2, respectively.
  - Changed names of functions lis_solver_get_iters(),
    lis_solver_get_itersex(), lis_esolver_get_iters(), and
    lis_esolver_get_itersex() to lis_solver_get_iter(),
    lis_solver_get_iterex(), lis_esolver_get_iter(), and
    lis_esolver_get_iterex(), respectively.
  - Updated lis_esolver_si().
  - Updated test programs.
  - Updated documents.

Version 1.4.42  July 14, 2014

  - Changed name of members residual of structs LIS_SOLVER and LIS_ESOLVER
    to rhistory.

Version 1.4.41  July 11, 2014

  - Added support for lis_esolver_get_residualnorms().
  - Updated esolve.

Version 1.4.40  July 10, 2014

  - Added official support for pointer operations in Fortran.
  - Updated documents.

Version 1.4.39  June 25, 2014

  - Added experimental support for pointer operations in Fortran
    (thanks to Svetlana Tkachenko, Alberto Gambaruto, and Takumi Yanagawa).
  - Added support for lis_solve_kernel() in Fortran.
  - Added support for lis_precon_*() in Fortran.
  - Added support for Microsoft MPI.

Version 1.4.38  June 20, 2014

  - Fixed bug in lis_vector_get_range() in Fortran (thanks to Takumi Yanagawa).

Version 1.4.37  May 21, 2014

  - Updated documents (thanks to Ryan Sills).

Version 1.4.36  April 29, 2014

  - Fixed bug in include/lis_vector.h (thanks to Per Oestlund).

Version 1.4.35  April 15, 2014

  - Updated documents (thanks to Patrick Alken).

Version 1.4.34  April 4, 2014

  - Updated documents.

Version 1.4.33  April 2, 2014

  - Updated documents (thanks to Ganesh Natarajan).

Version 1.4.32  March 26, 2014

  - Added official support for HPCG benchmark kernel.
  - Updated test programs.
  - Updated man pages.
  - Updated documents.

Version 1.4.31  March 24, 2014

  - Updated test programs.
  - Updated man pages.
  - Updated documents.

Version 1.4.30  March 21, 2014

  - Updated win/Makefile.in.

Version 1.4.29  March 20, 2014

  - Updated man pages.

Version 1.4.28  March 17, 2014

  - Updated print format.

Version 1.4.27  March 16, 2014

  - Added experimental support for HPCG benchmark kernel.

Version 1.4.26  March 15, 2014

  - Fixed print bug.
  - Updated test programs.
  - Updated documents.

Version 1.4.25  February 27, 2014

  - Added official support for option -conv_cond (thanks to Ganesh Natarajan).
  - Fixed print bugs.
  - Updated documents.

Version 1.4.24  January 15, 2014

  - Updated test programs.

Version 1.4.23  January 14, 2014

  - Fixed bugs in test programs.

Version 1.4.22  January 11, 2014

  - Updated test programs.
  - Updated documents.

Version 1.4.21  January 9, 2014

  - Updated test programs.

Version 1.4.20  December 15, 2013

  - Updated configure.in (thanks to Wei Cai).

Version 1.4.19  November 28, 2013

  - Updated documents.

Version 1.4.18  November 27, 2013

  - Fixed specification of configure, which enabled debug option
    of Fortran compilers by default (thanks to Svetlana Tkachenko).

Version 1.4.17  November 13, 2013

  - Updated documents (thanks to Svetlana Tkachenko).

Version 1.4.16  November 12, 2013

  - Fixed print bug in lis_vector.c (thanks to Svetlana Tkachenko).

Version 1.4.15  September 26, 2013

  - Updated documents (thanks to Svetlana Tkachenko).

Version 1.4.14  September 17, 2013

  - Fixed errors in user guide (thanks to Svetlana Tkachenko).

Version 1.4.13  September 9, 2013

  - Fixed bug in lis_vector_set_size(), which caused error in
    Fortran programs (thanks to Ralf Greve and Tatsuro Sato).

Version 1.4.12  August 17, 2013

  - Fixed errors in user guide (thanks to Sushilkumar Sreekumar).

Version 1.4.11  April 19, 2013

  - Fixed bug in Makefile.am.

Version 1.4.10  April 3, 2013

  - Fixed long double related bug, which caused error on Cygwin.

Version 1.4.9  March 21, 2013

  - Updated documents.
  - Changed names of SAAMG related files.

Version 1.4.8  March 19, 2013

  - Added sample script for gnuplot.

Version 1.4.7  March 18, 2013

  - Added unsymmetric test matrix.

Version 1.4.6  March 15, 2013

  - Updated documents.

Version 1.4.5  March 14, 2013

  - Added support for gnuplot.

Version 1.4.4  March 13, 2013

  - Updated documents.

Version 1.4.3  March 12, 2013

  - Fixed print bug in test*.c.

Version 1.4.2  March 11, 2013

  - Updated documents.

Version 1.4.1  March 10, 2013

  - Updated documents.

Version 1.4.0  March 8, 2013

  - Added official support for long double (quadruple) precision operations.
  - Updated documents.
  - Changed version number to 1.4.

Version 1.3.33  March 6, 2013

  - Fixed long double related print bug.

Version 1.3.32  March 4, 2013

  - Fixed deallocate bug in lis_*_solver_AMGCG.F90 (thanks to Susi Lehtola).

Version 1.3.31  March 4, 2013

  - Fixed memory leak bug in lis_*_solver_AMGCG.F90 (thanks to Takashi Shiroto).
  - Updated documents.

Version 1.3.30  March 2, 2013

  - Updated documents.

Version 1.3.29  March 1, 2013

  - Updated documents.

Version 1.3.28  February 27, 2013

  - Updated documents.

Version 1.3.27  February 24, 2013

  - Updated documents.

Version 1.3.26  February 22, 2013

  - Updated documents.

Version 1.3.25  February 18, 2013

  - Updated documents.

Version 1.3.24  February 16, 2013

  - Updated documents.

Version 1.3.23  February 15, 2013

  - Updated documents.
  - Updated man pages.

Version 1.3.22  February 13, 2013

  - Fixed bug in lis_esolver_rqi.c.

Version 1.3.21  February 12, 2013

  - Updated documents.
  - Added support for zip format.

Version 1.3.20  February 7, 2013

  - Fixed bug in configure.in.

Version 1.3.19  February 4, 2013

  - Fixed bug in lis_output*.c.

Version 1.3.18  February 2, 2013

  - Updated documents.
  - Updated configure.in.
  - Updated win/Makefile.in.

Version 1.3.17  February 1, 2013

  - Added experimental support for long double (thanks to Kiyoshi Ishikawa).

Version 1.3.16  January 24, 2013

  - Updated documents.

Version 1.3.15  January 21, 2013

  - Updated documents.

Version 1.3.14  January 18, 2013

  - Updated documents.

Version 1.3.13  January 17, 2013

  - Updated documents.
  - Changed name of matrix storage format JDS (Jagged Diagonal Storage)
    to JAD (Jagged Diagonal).
  - Fixed bug in Makefile.am, which excluded lis_esolver_get_rhistory.3.

Version 1.3.12  January 16, 2013

  - Updated documents.
  - Updated man pages.

Version 1.3.11  January 10, 2013

  - Updated documents.
  - Updated man pages.

Version 1.3.10  January 9, 2013

  - Updated documents.

Version 1.3.9  January 7, 2013

  - Updated documents (thanks to Takashi Shiroto).

Version 1.3.8  January 6, 2013

  - Updated documents (thanks to Jeffrey Kollasch).

Version 1.3.7  December 30, 2012

  - Updated win/Makefile.in.
  - Updated win/configure.bat.

Version 1.3.6  December 26, 2012

  - Updated win/Makefile.in.
  - Changed file name lis_config_win32.h to lis_config_win.h.

Version 1.3.5  December 22, 2012

  - Updated win/Makefile.in.
  - Updated win/configure.bat.
  - Updated include/lis_config_win32.h.

Version 1.3.4  December 20, 2012

  - Updated win/configure.bat.

Version 1.3.3  December 18, 2012

  - Updated contents of directory win.
  - Updated documents.

Version 1.3.2  December 17, 2012

  - Updated documents.
  - Updated win/configure.bat.

Version 1.3.1  December 15, 2012

  - Added batch script to configure win/Makefile.
  - Updated contents of directory win.

Version 1.3.0  December 11, 2012

  - Added official support for nmake.
  - Fixed bug in win/Makefile.
  - Changed version number to 1.3.

Version 1.2.131  December 11, 2012

  - Updated documents.
  - Fixed bug in Makefile.mak.
  - Changed file name Makefile.mak to Makefile.

Version 1.2.130  December 11, 2012

  - Updated documents.
  - Updated Makefile.mak.
  - Changed directory name win32 to win.

Version 1.2.129  December 10, 2012

  - Updated documents.
  - Updated Makefile.mak.

Version 1.2.128  December 9, 2012

  - Updated documents.
  - Updated contents of directory win32.

Version 1.2.127  December 8, 2012

  - Updated Makefile.mak.

Version 1.2.126  December 7, 2012

  - Updated Makefile.mak.

Version 1.2.125  December 6, 2012

  - Updated documents.
  - Updated Makefile.mak.

Version 1.2.124  December 5, 2012

  - Added experimental support for nmake.

Version 1.2.123  November 28, 2012

  - Updated configure.in.

Version 1.2.122  November 14, 2012

  - Updated documents (thanks to Yoshikazu Karasawa).
  - Updated man pages.

Version 1.2.121  November 12, 2012

  - Updated test.sh.
  - Updated documents.

Version 1.2.120  November 7, 2012

  - Updated test.sh (thanks to Shoji Itoh).

Version 1.2.119  November 5, 2012

  - Updated configure.in and documents (thanks to Shoji Itoh).

Version 1.2.118  October 27, 2012

  - Fixed memory leak bug in eigensolvers (thanks to Christian Schroeppel).

Version 1.2.117  October 13, 2012

  - Fixed bug in lis_solver_minres.c.

Version 1.2.116  September 19, 2012

  - Updated man pages.
  - Updated Makefile.am.

Version 1.2.115  September 12, 2012

  - Fixed bug in lis_m_solver_AMGCG.F90.

Version 1.2.114  September 11, 2012

  - Updated lis_*_solver_AMGCG.F90.

Version 1.2.113  September 10, 2012

  - Updated documents.

Version 1.2.112  September 9, 2012

  - Updated man pages.
  - Updated documents.
  - Changed names of functions lis_get_solvername(), lis_get_preconname(),
    and lis_get_esolvername() to lis_solver_get_solvername(),
    lis_solver_get_preconname(), and lis_esolver_get_esolvername(), respectively.

Version 1.2.111  September 7, 2012

  - Updated man pages.
  - Updated documents.

Version 1.2.110  September 6, 2012

  - Updated man pages.
  - Updated documents.

Version 1.2.109  September 5, 2012

  - Fixed OpenMP related bug in lis_matrix_vbr.c.

Version 1.2.108  September 3, 2012

  - Changed names of matrix storage formats CRS (Compressed Row Storage)
    and CCS (Compressed Column Storage) to CSR (Compressed Sparse Row)
    and CSC (Compressed Sparse Column), respectively.

Version 1.2.107  August 31, 2012

  - Fixed long long int related print bug.
  - Fixed OpenMP related bug in test.sh.

Version 1.2.106  August 29, 2012

  - Updated documents.
  - Changed specification of Lanczos.
  - Restored default configuration of inverse iteration for stability.

Version 1.2.105  August 28, 2012

  - Updated man pages.
  - Updated documents.
  - Changed default preconditioner for inverse iteration.

Version 1.2.104  August 27, 2012

  - Updated documents.

Version 1.2.103  August 26, 2012

  - Fixed long long int related I/O bug.

Version 1.2.102  August 25, 2012

  - Added support for man pages.
  - Updated documents.

Version 1.2.101  August 22, 2012

  - Updated documents.

Version 1.2.100  August 21, 2012

  - Added support for etest6.c.
  - Changed specification of lis_eli().
  - Fixed bug in lis_esolver_*.c.
  - Updated documents.

Version 1.2.99  August 20, 2012

  - Changed default configuration of esolve.
  - Changed specification of lis_esi().
  - Fixed bug in lis_esolver_*.c.
  - Updated documents.

Version 1.2.98  August 17, 2012

  - Added experimental support for installing programs to ($INSTALLDIR)/bin.
  - Updated etest5.c.
  - Updated documents.

Version 1.2.97  August 15, 2012

  - Added support for Fujitsu Technical Computing Suite on PRIMERGY.

Version 1.2.96  August 14, 2012

  - Added support for lis_solver_get_precon() and lis_get_preconname().
  - Updated print format of eigensolvers.
  - Updated documents.

Version 1.2.95  August 13, 2012

  - Changed specification of lis_solve_kernel() to return residual
    computed by lis_solve_execute() (thanks to Jonathan Schleifer).

Version 1.2.94  August 12, 2012

  - Fixed OpenMP flag bug.
  - Updated documents.

Version 1.2.93  August 9, 2012

  - Fixed OpenMP flag related bug in configure.in for Mac OS X (thanks to Jonathan Schleifer).
  - Fixed installation destination of examples.

Version 1.2.92  August 7, 2012

  - Updated support for out-of-tree build (thanks to Susi Lehtola).
  - Updated documents.

Version 1.2.91  August 2, 2012

  - Fixed Fortran related bug with flag --enable-shared.

Version 1.2.90  July 31, 2012

  - Changed names of eigensolvers.
  - Updated src/esolver/*.c.
  - Fixed bug in test2.c and etest2.c.
  - Fixed bug in lis_esolver_set_option_esolver().
  - Updated documents.

Version 1.2.89  July 29, 2012

  - Updated documents.

Version 1.2.88  July 27, 2012

  - Updated spmvtest*.c.
  - Updated documents.
  - Fixed long long int related bug in configure.in for Fujitsu Fortran.
  - Updated config.guess and config.sub.

Version 1.2.87  July 25, 2012

  - Added experimental support for 64bit integer with flag --enable-longlong.
  - Fixed long long int related bug in configure.in for XL and GNU Fortran.
  - Fixed long long int related bug in test/*.c.
  - Updated documents.

Version 1.2.86  July 24, 2012

  - Updated documents.

Version 1.2.85  July 21, 2012

  - Updated documents.

Version 1.2.84  July 20, 2012

  - Fixed long long int related bug with flag --enable-mpi.
  - Fixed bug in spmvtest*.c.

Version 1.2.83  July 19, 2012

  - Fixed long long int related bug with flag --enable-quad.
  - Fixed bug in test.sh.
  - Updated documents.

Version 1.2.82  July 17, 2012

  - Added experimental support for LIS_INTEGER as integer*8 with flag -DLONGLONG in Fortran.

Version 1.2.81  July 13, 2012

  - Added experimental support for LIS_INT as long long int with flag -D_LONGLONG in C.
  - Fixed long long int related bugs.

Version 1.2.80  July 12, 2012

  - Replaced integer types (thanks to Alessandro Stagni):

     type         | description                    type             | default
    --------------+--------------------------     ------------------+--------------
     int          | integer in C              ==>  LIS_INT          | int
     unsigned int | unsigned integer in C          LIS_UNSIGNED_INT | unsigned int
     integer      | integer in Fortran             LIS_INTEGER      | integer
     MPI_INT      | MPI integer in C               LIS_MPI_INT      | MPI_INT
     MPI_INTEGER  | MPI integer in Fortran         LIS_MPI_INTEGER  | MPI_INTEGER
     MPI_Fint     | MPI Fortran integer in C       LIS_MPI_Fint     | MPI_Fint

Version 1.2.79  July 11, 2012

  - Updated documents.

Version 1.2.78  July 10, 2012

  - Updated documents.

Version 1.2.77  July 9, 2012

  - Updated documents.

Version 1.2.76  July 6, 2012

  - Updated documents.

Version 1.2.75  July 5, 2012

  - Updated documents.
  - Updated support for Fujitsu FX10.

Version 1.2.74  July 4, 2012

  - Updated documents.
  - Updated support for Fujitsu FX10.

Version 1.2.73  July 3, 2012

  - Added support for Fujitsu FX10.

Version 1.2.72  July 3, 2012

  - Updated documents.

Version 1.2.71  June 29, 2012

  - Updated documents.

Version 1.2.70  June 28, 2012

  - Updated documents.
  - Updated spmvtest*.c.

Version 1.2.69  June 28, 2012

  - Updated documents.

Version 1.2.68  June 26, 2012

  - Fixed bug in spmvtest1.c.

Version 1.2.67  June 26, 2012

  - Updated documents.
  - Updated print format.

Version 1.2.66  June 19, 2012

  - Updated documents.

Version 1.2.65  June 6, 2012

  - Updated documents.

Version 1.2.64  May 1, 2012

  - Added support for lis_matrix_malloc_*() in Fortran
    (thanks to Hector Espinoza).

Version 1.2.63  May 1, 2012

  - Fixed bug in lisf_vector.c to support lis_vector_nrmi() in Fortran
    (thanks to Hector Espinoza).

Version 1.2.62  December 24, 2011

  - Added support for preconditioning in MINRES.
  - Fixed error handling bug in lis_solve().
  - Updated documents.

Version 1.2.61  November 30, 2011

  - Added support for lis_matrix_is_assembled() in lis_matrix_setDLU_*().

Version 1.2.60  November 30, 2011

  - Fixed bug in lis_matrix_set_ccs() since 1.2.56, which caused segmentation fault.

Version 1.2.59  November 25, 2011

  - Updated documents.

Version 1.2.58  November 22, 2011

  - Updated documents.

Version 1.2.57  November 9, 2011

  - Added support for flag --with-library-suffix to tag suffix to library names
    (thanks to Susi Lehtola).

Version 1.2.56  November 8, 2011

  - Added support for lis_matrix_is_assembled() in lis_matrix_set_*() for calling
    solver multiple times without allocating new memory (thanks to Malte Thoma).
  - Changed origin of Fortran subroutine lis_vector_set_size() to 1 (thanks to Kengo Tomida).

Version 1.2.55  November 7, 2011

  - Changed names of configuration header files config.h and config_win32.h
    to lis_config.h and lis_config_win32.h to avoid conflict in Fedora packages
    (thanks to Susi Lehtola).

Version 1.2.54  November 2, 2011

  - Fixed bug in lis_solver_set_option() (thanks to Akio Yamamoto and Kenichiro Yoshimi).

Version 1.2.53  November 29, 2010

  - Added support for Intel Composer XE and Microsoft Visual Studio 2010.

Version 1.2.52  October 20, 2010

  - Fixed bug in lis_solver_minres() with flag -print (thanks to Kazuhiro Ando).

Version 1.2.51  September 16, 2010

  - Updated documents.

Version 1.2.50  September 15, 2010

  - Updated documents.

Version 1.2.49  September 14, 2010

  - Updated documents.

Version 1.2.48  September 12, 2010

  - Fixed bug in lis_input_hb.c, which caused input error with symmetric matrices
    in Harwell-Boeing Format (thanks to Shoji Itoh).

Version 1.2.47  September 10, 2010

  - Added instruction for building shared libraries to documents.

Version 1.2.46  September 8, 2010

  - Fixed bug in OMPFLAG.

Version 1.2.45  September 7, 2010

  - Updated documents (thanks to Riccardo Rossi).

Version 1.2.44  August 26, 2010

  - Updated configure.in.

Version 1.2.43  August 25, 2010

  - Set default configuration of Mac OS X binaries to 64-bit.
  - Fixed bug in configure.in for PGI compilers.
  - Added experimental support for Pathscale compilers.

Version 1.2.42  August 20, 2010

  - Enabled AC_CHECK_HEADERS for Mac OS X.
  - Fixed parameters of configure.in for Mac OS X.
    (Note that default installation of Open MPI for Mac OS does not support Fortran.)

Version 1.2.41  August 18, 2010

  - Added support for Windows and Mac OS X.
  - Added instructions for Visual Studio to documents (thanks to Lizhu Tong).
  - Fixed default location of win32 executable files.

Version 1.2.40  August 17, 2010

  - Fixed bug in lis_with_fortran_mpi.icproj.
  - Restored flag USE_SAAMG in project files.

Version 1.2.39  August 14, 2010

  - Fixed default location of win32 libraries.

Version 1.2.38  August 13, 2010

  - Fixed character encoding of project files.
  - Fixed obsolete library name of MPICH2 in project files.

Version 1.2.37  August 12, 2010

  - Moved project files to directory win32.

Version 1.2.36  August 11, 2010

  - Fixed bug in configure.in, which caused configure error with XL Fortran.
  - Fixed bug in src/fortran/lisf_system.c, which caused compile error with
    Visual Studio.
  - Temporarily removed flag USE_SAAMG in project files for Visual Studio.

Version 1.2.35  July 29, 2010

  - Fixed bug in test/test.sh, which caused make check error with flag --enable-quad.
  - Updated documents.

Version 1.2.34  July 28, 2010

  - Updated documents.

Version 1.2.33  July 23, 2010

  - Fixed bug in spmvtests.
  - Updated documents.

Version 1.2.32  July 23, 2010

  - Added experimental support for flags -(e)storage and -(e)storage_block.
  - Updated spmvtests and documents.
  - Changed specification of precision flag:

     flags       | description              flags | description
    -------------+--------------------     -------+-----------------------------
     -precision  | for lis_solve()     ==>  -f    | for lis_solve()
     -eprecision | for lis_esolve()         -ef   | for lis_esolve()

Version 1.2.31  July 22, 2010

  - Added support for Rayleigh Quotient Iteration.
  - Inner solvers for quad precision eigensolvers are switched to quad precision.
  - Changed order of eigensolvers:

     flags      | eigensolvers              flags     | eigensolvers
    ------------+--------------------     ------------+-----------------------------
     -e {cg|4}  | Conjugate Gradient  ==>  -e {rqi|4} | Rayleigh Quotient Iteration
     -e {li|5}  | Lanczos Iteration        -e {si|5}  | Subspace Iteration
     -e {si|6}  | Subspace Iteration       -e {li|6}  | Lanczos Iteration
     -e {cr|7}  | Conjugate Residual       -e {cg|7}  | Conjugate Gradient
                                           -e {cr|8}  | Conjugate Residual

  - Updated documents.

Version 1.2.30  July 21, 2010

  - Fixed bug in lis_esolve(), which failed to destroy esolver
    with flag --enable-mpi.

Version 1.2.29  July 21, 2010

  - Fixed bug in lis_esolve(), which failed to return default eigenvector.
  - Fixed bug in configure for flag --enable-gprof with f90 compilers.
  - Added support for 64bit binary on AIX and Solaris x86 with flag --enable-64bit.
  - Updated documents.

Version 1.2.28  July 16, 2010

  - Updated documents.

Version 1.2.27  July 15, 2010

  - Added support for quadruple precision operations in eigensolvers.
  - Fixed bug in lis.vcproj.

Version 1.2.26  July 7, 2010

  - Added support for lis_vector_nrmi() for computing infinity norm
    (thanks to Osamu Nakamura).
  - Updated documents.

Version 1.2.25  July 4, 2010

  - Fixed bug in configure.in for gcc with --enable-gprof.

Version 1.2.24  July 3, 2010

  - Added experimental support for performance analysis using GNU profiler
    with flag --enable-gprof.
  - Added test program for lis_esolver_get_evectors().
  - Updated documents.

Version 1.2.23  July 1, 2010

  - Added support for lis_output_matrix() (thanks to Jun Sato).
  - Changed specification of lis_esolver_get_evectors().

Version 1.2.22  June 30, 2010

  - Fixed bug in test.sh.
  - Updated spmvtests.
  - Updated documents.

Version 1.2.21  June 29, 2010

  - Updated test programs.
  - Updated documents.

Version 1.2.20  June 28, 2010

  - Added support for parameter irestart for IDR(s).
  - Fixed default value of parameter emaxiter for subspace and
    Lanczos iteration.
  - Updated documents.

Version 1.2.19  June 26, 2010

  - Fixed default value of parameter etol to avoid breakdown.

Version 1.2.18  June 24, 2010

  - Fixed minor bug in test.sh for SAAMG with flag --enable-omp.
  - Fixed minor bug in lis_solver.c for SAAMG with flag --enable-mpi.
  - Added support for three dimensional test programs.
  - Updated documents.

Version 1.2.17  June 21, 2010

  - Fixed print bug in lis_esolver_cg.c.

Version 1.2.16  June 18, 2010

  - Fixed errors in documents (thanks to Osamu Nakamura).
  - Added support for lis_output() in Fortran (thanks to Hiroshi Imamura).
  - Updated spmvtests (thanks to Katsunori Matsuzaki).
  - Fixed errors in number of nonzero entries printed by test programs
    test2, etest2, spmvtest1 and spmvtest2 with flag --enable-mpi.
  - Fixed bug in spmvtests, which fail to measure elapsed time
    when matrix is very small.
  - Fixed bug in spmvtests for single threaded environments.
  - Added support for flag -m to specify default mode for Lanczos and
    subspace iteration.
  - Updated documents.

Version 1.2.15  September 8, 2009

  - Separated core kernel of lis_solve() to avoid overhead of handling
    preconditioner when called multiple times. It is now implemented
    as lis_solve_kernel(), to be combined with lis_precon_create() and
    lis_precon_destroy() (thanks to Masakazu Akiyama).
  - Inverse iteration and subspace iteration were rewritten using
    lis_solve_kernel(). Performance of Lanczos iteration, which calls
    inverse iteration to compute eigenvectors, is also affected.
  - Updated test programs to measure SpMV performance.

Version 1.2.14  August 26, 2009

  - Fixed bug in configure.in, which omitted OMPFLAG when target architecture
    is specified with flag --enable-mpi.
  - Updated test programs to measure SpMV performance.
  - Fixed description of test program etest3 in documents.

Version 1.2.13  August 15, 2009

  - Fixed specification of lis_matrix_split() to keep original data of
    splitted matrix (thanks to Tim Cramer).

Version 1.2.12  July 21, 2009

  - Fixed minor bugs related to SpMV test programs.
  - Updated documents.

Version 1.2.11  July 7, 2009

  - Fixed specification of lis_vector_gather() to share vector values
    among processes (thanks to Kouji Takatani).
  - Updated documents.

Version 1.2.10  July 4, 2009

  - Added support for lis_vector_scatter() and lis_vector_gather() to handle
    vector elements, mainly for MPI configuration.
  - Added official support for lis_solver_get_status() and
    lis_esolver_get_status() to get correct status of solvers
    (thanks to Tim Cramer).
  - Fixed bug in link error for Fortran 77 based MPI compilers.
  - Updated documents.

Version 1.2.9  July 1, 2009

  - Added official support for flag -saamg_theta to set drop criteria for AMG.
  - Fixed default parameter of theta for nonsymmetric AMG, which caused error
    with Version 1.2.6 or higher (thanks to Kouji Takatani).
  - Added support for test programs to measure SpMV performance.
  - Fixed MPILIBS related bug in configure.in.
  - Fixed minor bugs.
  - Updated documents.

Version 1.2.8  June 3, 2009

  - Fixed minor bug in configure script.

Version 1.2.7  June 1, 2009

  - Fixed bug in MPI configuration, which caused error on Hitachi SR16000
    and IBM p575.
  - Fixed minor bugs.

Version 1.2.6  March 23, 2009

  - Changed location of config*.h, to be installed in $(includedir).
  - Fixed minor bugs.

Version 1.2.5  December 14, 2008

  - Added full functions for handling elements of vectors and matrices via
    Fortran interface.
  - Added support for matrix storage format conversion in eigensolvers.
  - Added support for PGI and Hitachi compilers.
  - Fixed bug in configure, which omitted flag -DUSE_MPI of Fortran based
    MPI compilers.
  - Fixed bug in test/test3f.F, which caused make check error with -DUSE_MPI.

Version 1.2.4  December 5, 2008

  - Added experimental support for conjugate residual for nonsymmetric eigenproblems.
  - Fixed minor bugs.

Version 1.2.3  December 4, 2008

  - Fixed origin of lis_vector_get_value() in Fortran (thanks to Kengo Tomida).
  - Fixed minor bugs.

Version 1.2.2  November 25, 2008

  - Fixed bug in test/test2.c, which caused make check error
    (thanks to Takahito Miki).
  - Fixed bug in configure for combination of SAAMG and gfortran based
    MPI compiler. SAAMG can be built with gfortran 4.3 or higher.
  - Fixed minor bugs.

Version 1.2.1  November 18, 2008

  - Fixed origin of lis_vector_set_value() in Fortran (thanks to Yutaka Masuda).

Version 1.2.0  November 12, 2008

  - Added support for eigensolvers (power iteration, inverse iteration,
    approximate inverse iteration, conjugate gradient, Lanczos iteration,
    and subspace iteration) for real sparse matrices.
  - Added support for MINRES (thanks to Hirofumi Notsu).
  - Changed names of lis_output_residual_history() and
    lis_get_residual_history() to lis_solver_output_rhistory() and
    lis_solver_get_rhistory(), respectively.
  - Fixed convergence criteria of TFQMR and BiCGSTAB(l) (thanks to Shoji Itoh).
  - Added support for NEC SX-9.
  - Updated config.guess and config.sub.
  - Added optimization options for Fujitsu Compiler (thanks to Fujitsu
    Limited).
  - Fixed location of include statement in lisf_init.F to avoid compiling
    error with Fujitsu Compiler.
  - Fixed configure script to choose mpiexec if mpirun is not available.
  - Fixed configure script to choose Fortran 9x based MPI compiler if SAAMG is
    enabled.
  - Fixed minor bugs.
  - Updated documents.

Version 1.1.2  December 24, 2007

  - Added support for IDR(s).
  - Fixed minor bugs.

Version 1.1.1  December 6, 2007

  - Changed specification of lis_initialize() to avoid MPICH1 related error
    (thanks to Takashi Yoshida).
  - Fixed minor bugs.

Version 1.1.0  October 31, 2007

  - Added support for CR, BiCR, CRS, BiCRSTAB, GPBiCR, BiCRSafe, and FGMRES.
  - Added support for ILUT preconditioner.
  - Added support for binary package for Windows.
  - Added support for graph plotting tool for Windows.
  - Fixed minor bugs.

Version 1.1.0 beta2  June 18, 2007

  - Added support for BiCGSafe.
  - Fixed bug caused by memory leaks.

Version 1.1.0 beta1  November 7, 2006

  - Added support for quadruple precision operations for linear solvers.
  - Added support for Fortran user interface.
  - Added support for nonsymmetric SAAMG preconditioner (symmetric structure
    only).
  - Added support for Crout ILU preconditioner.
  - Added support for additive Schwarz preconditioner.
  - Added support for user-defined preconditioners.
  - Added support for Harwell-Boeing format.
  - Integrated Lis-AMG into Lis.
  - Introduced Autotools.
  - Changed specifications:
       - Introduced struct LIS_SOLVER (integrated type parameters).
       - Changed declaration of matrices (thanks to David Moloney) and vectors.
       - Changed notation of command line options.

Version 1.0.2  April 17, 2006

  - Fixed bug caused by not correctly setting value of beginning and end
    of line when lis_vector_create() is called.
  - Fixed bug caused by wrong selection of linear solvers specified
    with lis_set_options():

     flags          | solvers             flags          | solvers
    ----------------+---------------     ----------------+---------------
     -i {tfqmr|7}   | Orthomin       ==>  -i {tfqmr|7}   | TFQMR
     -i {orthomin|8}| GMRES               -i {orthomin|8}| Orthomin
     -i {gmres|9}   | TFQMR               -i {gmres|9}   | GMRES

  - Fixed bug in allocation of temporary array of Orthomin.
  - Fixed bug in output of residual norm in TFQMR.
  - Fixed bug in array assignment of BiCG with ILU preconditioner.
  - Fixed minor bugs.

Version 1.0.1  November 6, 2005

  - Added support for Lis-AMG.
  - Added support for English manual.
  - Added support for test1b.
  - Fixed minor bugs.

Version 1.0.0  September 20, 2005

  - Released first version.
