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5.8.1 --> 5.9.0 (Ivano Primi <ivprimi(at)libero(dot)it>) :
* New option --raw for printing the differences between the compared
files in raw format (the raw format is not convenient for humans
but is very compact and can be easily parsed by other programs).
* The output of the option -S includes now the positions of
the first occurrences in the compared files of the largest
absolute/relative error.
* Thanks to Elias Pipping, the issue with long execution times and overloading
of the processor in case Numdiff had been built against GNU MP with
optimization enabled is now solved.
* Documentation updated and corrected where needed.
5.8.0 --> 5.8.1 (Ivano Primi <ivprimi(at)libero(dot)it>) :
* The distribution terms of the documentation have been slightly changed
to comply with Debian policies.
5.6.1 --> 5.8.0 (Ivano Primi <ivprimi(at)libero(dot)it>) :
* Ndselect recognizes now the following additional options:
# -O to specify the string to use as separator
while writing the selected fields to the standard output,
# -D to specify the set of strings to use as delimiters
while splitting the input lines into fields.
* The long option --separator of Numdiff/Ndselect has been
changed to --separators and its help message has been improved.
* The options -s of Numdiff and -S of Ndselect recognize and accept
now a larger set of escape sequences.
* Numdiff can detect now if any of the files to compare is binary
and return a suitable error message.
* The short form of Numdiff option --dummy is not -D anymore, but -U.
* Numdiff accepts now the option --delimiters (short form: -D) to
specify the set of strings to use as delimiters
while splitting the input lines into fields.
* The option --currency of Numdiff now recognizes and accepts escape
sequences in its argument.
5.6.0 --> 5.6.1 (Ivano Primi <ivprimi(at)libero(dot)it>) :
* Added instruction to Makefile.in to create the directory
for the man pages in case it does not exist yet.
5.2.1 --> 5.6.0 (Ivano Primi <ivprimi(at)libero(dot)it>) :
* Several bugs have been corrected:
# Fixed improper handling of the last line of a file
when no trailing newline is present at its end.
# Array overrun in function find_and_hash_each_file.
# Fixed two bugs which prevented Numdiff to be built on Cygwin.
Thanks to Satish Balay for the report.
# Numdiff is not linked anymore against the
GNU Multiple Precision Arithmetic Library if --disable-gmp
is passed to the configure script.
* Numdiff recognizes now the following additional options:
# -O for the "overview" mode,
# -B to treat the compared files as binary files
(only meaningful under MSDog/MSWindog),
# -c to set the currency name for the two files to compare,
# -F to change the formula used to compute the relative errors.
* Added new entries to Numdiff help which explain how to use the new options.
* The options -a and -r accept now an extended syntax which allows
to specify to which fields the given threshold applies.
The option -r does not accept anymore the prefixes 1: and 2: (use
-F instead).
* Several help messages of Numdiff have been improved.
* Several error and warning messages of Numdiff have been improved.
* ndselect allows now to select not only the lines but also
the fields that have to be printed.
It recognizes then the following additional options:
# -F to set the number of the first field to print,
# -L to set the number of the last field that can be printed,
# -I to set the increment to use when selecting the fields to print,
# -S to specify the set of characters to use to split
the input lines into fields,
# -x to avoid to print empty lines.
* Added new entries to ndselect help which explain how to use the new options.
* Several help messages of ndselect have been improved.
* Added man pages for numdiff and ndselect.
* Documentation, i18n and italian l10n have been updated.
5.2.0 --> 5.2.1 (Ivano Primi <ivprimi(at)libero(dot)it>) :
* Corrected a bug which prevented Numdiff to be built on MacOS X(R).
Thanks to Antoine Dechaume for the report.
5.0.0 --> 5.2.0 (Ivano Primi <ivprimi(at)libero(dot)it>) :
* Numdiff uses now the GNU Multiple Precision Arithmetic Library
(also called GNU MP or GMP) if this library is available
at build-time.
The old internal support for multiple precision arithmetic
is a fall-back in case GNU MP is absent.
However it is possible to use the internal support for
multiple precision arithmetic even when GNU MP is available:
it is sufficient to pass the option --disable-gmp
(or --enable-gmp=no) to the configure script
before building the program.
After building and installing Numdiff,
it is possible to know whether it has been
linked against GNU MP or not just by calling the program
with the option -v. In case of link against GMP
the program tells also which version of
GNU MP it uses to perform its computations.
5.0.0 beta4 --> 5.0.0 (Ivano Primi <ivprimi(at)libero(dot)it>) :
* The filter has been improved, now it gets no more confused if
the same value is represented in scientific notation in one file
and in common decimal notation in the other file.
* The Makefile.in (and consequently the Makefile) has
been modified to conform to the GNU Coding Standards.
* Now numdiff and ndselect accept long options too
(for instance --separator='\n\t %' instead of -s '\n\t %').
* The option -r accepts now an additional parameter which tells
to compute the relative differences always with respect
to the values in one file, instead of using the classic
formula for the relative error.
* The argument of the option -f has been made optional.
* Documentation, i18n and italian l10n have been updated.
5.0.0 beta1 --> 5.0.0 beta4 (Ivano Primi <ivprimi(at)libero(dot)it>) :
* Added additional information to the report printed by
the option -S.
* Now the program can accept the options with argument
-z INT, -Z INT, -X INT
as short equivalent forms of
-z 1:INT -z 2:INT,
-Z 1:INT -Z 2:INT and
-X 1:INT -X 2:INT respectively.
* The option -R has been removed since not useful.
* The option -s has now an extended syntax allowing to specify
different sets of field delimiters for the two files to compare.
* Adoption of the version 1.3 of the GNU Free Documentation License
for the TeXinfo documentation.
* Now the test programs are not anymore distributed together with
the source code of Numdiff.
4.2.0 --> 5.0.0 beta1 (Ivano Primi <ivprimi(at)libero(dot)it>) :
* Removed the support for double, long double
and high precision arithmetic. Now only multiple
precision arithmetic is available (but it is not a limitation :) ).
* Removed the option -L, since the tool ndselect made it obsolete.
* Implemented a synchronization procedure to detect insertions/deletions
of lines. To accomplish this, source code from GNU diff (diffutils 2.8.1)
has been used (with the necessary modifications).
Added the options -f, -z, -Z, -R, -m, -H, -T.
* Removed the option -F, -X is now used in place of it.
* Added new entries to the help which explain how to use the new options.
* The output format has been slightly changed.
* Makefile and configuration scripts have been changed, since
the code has become much more complex than it was.
* Added more tests to check that the new features are correctly working.
* Change of the license: from GPL version 2 or later to GPL version 3 or later.
The copyright statement of my files has been consequently updated.
Also the message shown by 'numdiff -v'.
4.0.0 --> 4.2.0 (Ivano Primi <ivprimi(at)libero(dot)it>) :
* Changed the way the options -V and -b interact when they are both set.
* Added new tests.
* Now, when the options -v and -h are both set, Numdiff displays before
the information about version, Copyright and NO-Warranty and then
the help message.
* The Copyright has been updated.
* Added the tools `ndfilter' and `ndselect'.
* i18n and italian l10n updated.
* The documentation has been consequently updated.
3.0.2 --> 4.0.0 (Ivano Primi <ivprimi(at)libero(dot)it>) :
* New output format.
At the same time the code printing the output has been cleaned.
* Added the -V option for the "verbose" mode.
* Better handling of the last line of a file.
* i18n, l10n and documentation have been consequently
updated.
3.0.1 --> 3.0.2 (Ivano Primi <ivprimi(at)libero(dot)it>) :
* The code of the function Cabs() has been improved
for both double and long-double precision.
* Fixed a compilation error which occurred when one
chose to activate the double, the long-double or the high
precision instead of the multiple precision arithmetic.
This compilation error was introduced just before releasing
the version 3.0 of Numdiff .
3.0 --> 3.0.1 (Ivano Primi <ivprimi(at)libero(dot)it>) :
* The code of the function Cabs() has been modified
in order to speed up the execution when working with
real numbers (the change concerned only the code
for multiple precision arithmetic).
3.0 (Ivano Primi <ivprimi(at)libero(dot)it>) :
* First public release
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