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34 Commits

Author SHA1 Message Date
Diego Biurrun 5b097399ba eval: Explicitly ignore return value of strtod() in parse_db() 
The return value is not needed.  This fixes the warning:
libavutil/eval.c:353:15: warning: ignoring return value of ‘strtod’
 2013-07-27 16:00:41 +02:00
Reimar Döffinger efa7f42020 Use the avstring.h locale-independent character type functions 
Make sure the behavior does not change with the locale.

Signed-off-by: Martin Storsjö <martin@martin.st>
 2013-03-07 15:16:36 +02:00
Justin Ruggles 5312268b34 eval: treat dB as decibels instead of decibytes 2012-12-05 11:23:36 -05:00
Anton Khirnov cb45553f57 Remove pointless #undefs of previously forbidden functions. 2012-12-04 21:40:22 +01:00
Mans Rullgard 74c39bc682 eval-test: make table static const 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2012-10-13 11:39:25 +01:00
Martin Storsjö 1d9c2dc89a Don't include common.h from avutil.h 
Signed-off-by: Martin Storsjö <martin@martin.st>
 2012-08-15 22:32:06 +03:00
Ronald S. Bultje 02ac28229a eval: fix printing of NaN in eval fate test. 
This fixes "make fate-eval" on MSVC builds. Without this, the test outputs
"-1.#NaN" instead of "nan" on MSVS 2010.
 2012-07-26 15:56:32 -07:00
Janne Grunau 2d497c141d eval: add gt(), gte(), lt() and lte() fate tests 2012-07-14 13:43:10 +02:00
Max Lazarov caac3ab6ef eval: fix swapping of lt() and lte() 
CC: libav-stable@libav.org
 2012-07-14 13:33:25 +02:00
Martin Storsjö 143f1e9203 eval: Add the isinf() function and tests for it 
Signed-off-by: Martin Storsjö <martin@martin.st>
 2012-07-04 15:10:56 +03:00
Martin Storsjö 3893feeccd opt/eval: Include mathematics.h for NAN/INFINITY 
These files use NAN/INFINITY but didn't include mathematics.h to get
the fallback definitions if the system lacks the macros.

Signed-off-by: Martin Storsjö <martin@martin.st>
 2012-07-01 19:20:11 +03:00
Alex Converse b0f29db5c2 Mark mutable static data const where appropriate. 2012-02-21 09:47:07 -08:00
Anton Khirnov 775af761a0 eval: test isnan(sqrt(-1)) instead of just sqrt(-1) 
sqrt(-1) returns "some NaN", it's not specified which exactly.
 2011-09-22 08:13:55 +02:00
Stefano Sabatini 8cee38a298 eval: implement not() expression 2011-09-19 12:38:34 +02:00
Stefano Sabatini 9bc393908a eval: add sqrt function for computing the square root 2011-09-19 12:38:14 +02:00
Ronald S. Bultje dfd8116986 eval: add missing comma to tests. 2011-07-05 18:18:11 -07:00
Ronald S. Bultje fe277b16f0 eval: fix memleak. 2011-07-05 18:18:10 -07:00
Mans Rullgard 94350ab986 eval: clear Parser instances before using 
This prevents random values from the stack being used as
"variables" in expressions.

Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-07-04 12:31:47 +01:00
Mans Rullgard 6da812e4ee eval: make timing optional in test program 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-07-04 10:26:21 +01:00
Mans Rullgard abc78a5a7c Do not include log.h in avutil.h 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-07-03 21:42:07 +01:00
Diego Biurrun dc25d79f49 Drop unnecessary directory prefixes from #include directives. 2011-06-07 10:31:26 +02:00
Anton Khirnov 516fb5e40c lavu: remove FF_API_OLD_EVAL_NAMES cruft 2011-04-19 19:03:44 +02:00
Stefano Sabatini 5ae4251c3b eval: add support for trunc, ceil, and floor functions 
Signed-off-by: Stefano Sabatini <stefano.sabatini-lala@poste.it>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
 2011-04-10 09:24:21 +02:00
Mans Rullgard 2912e87a6c Replace FFmpeg with Libav in licence headers 
Signed-off-by: Mans Rullgard <mans@mansr.com>
 2011-03-19 13:33:20 +00:00
Stefano Sabatini d2af7205a1 Use hierarchic names convention (prefix them with av_expr) for the 
eval API.

More grep-friendly and more consistent with the rest of the FFmpeg
API.

Originally committed as revision 25708 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-11-08 14:06:49 +00:00
Stefano Sabatini 20fcd0797e Implement isnan() function evaluation. 
Originally committed as revision 25666 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-11-03 19:44:00 +00:00
Stefano Sabatini 4cabef0a9d Make strmatch() return 1 only if the string compared against the 
prefix does not contain other characters which may belong to an
identifier.

This allows to distinguish for example to have different constants
with the same prefix (e.g. "foo" and "foobar").

Originally committed as revision 25626 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-11-01 09:34:21 +00:00
Stefano Sabatini 2b59fbe9b1 Add st, ld, while examples/tests. 
Originally committed as revision 25625 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-11-01 09:34:18 +00:00
Stefano Sabatini 8bb12e71af Add examples of unary operators. 
Originally committed as revision 25624 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-11-01 09:34:15 +00:00
Stefano Sabatini 63b1630356 Fix evaluation of expressions of the form: E1;E2. 
The pointer to the char ';' has to be increased before to evaluate
";E2".

Originally committed as revision 25623 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-11-01 09:34:12 +00:00
Stefano Sabatini eb928286de Add more tests to eval, help detecting some of the more apparent 
errors, far from being a complete test system.

Originally committed as revision 23635 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-06-16 22:36:52 +00:00
Stefano Sabatini 7ec9b9beca Make av_parse_expr() fail if there are trailing chars at the end of 
the provided expression.

Allow detection of mistyped expressions.

Originally committed as revision 23629 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-06-16 18:27:55 +00:00
Stefano Sabatini 2f62224bc0 Improve av_parse_eval() error reporting. 
Originally committed as revision 23627 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-06-16 18:27:46 +00:00
Stefano Sabatini 0b99215c0e Move eval.c and eval.h from libavcodec to libavutil, and make the eval 
API public.

Originally committed as revision 23485 to svn://svn.ffmpeg.org/ffmpeg/trunk
 2010-06-05 12:01:28 +00:00