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author | Michael Niedermayer <michaelni@gmx.at> | 2009-03-08 14:46:10 +0000 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2009-03-08 14:46:10 +0000 |
commit | 52a6632a2b88b8a7171a47c796fa5f26db1ed490 (patch) | |
tree | 3cbd01dc42072f7b30b8adc11022f629a81d12fe | |
parent | c957c8542676d092af1a812860c0b379738b7f01 (diff) | |
download | ffmpeg-52a6632a2b88b8a7171a47c796fa5f26db1ed490.tar.gz |
Deprecate the Mersenne Twister.
Please use an ALFG, MLFG, LCG or KISS99 generator, MLFG&KISS99 provide higher quality
numbers and all should be faster.
Originally committed as revision 17874 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r-- | libavutil/random.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/libavutil/random.h b/libavutil/random.h index 4d16eb92df..90378822b2 100644 --- a/libavutil/random.h +++ b/libavutil/random.h @@ -38,8 +38,8 @@ typedef struct { #if LIBAVUTIL_VERSION_MAJOR < 50 attribute_deprecated void av_init_random(unsigned int seed, AVRandomState *state); #endif -void av_random_init(AVRandomState *state, unsigned int seed); ///< To be inlined, the struct must be visible. So it does not make sense to try and keep it opaque with malloc/free-like calls. -void av_random_generate_untempered_numbers(AVRandomState *state); ///< Regenerate the untempered numbers (must be done every 624 iterations, or it will loop). +attribute_deprecated void av_random_init(AVRandomState *state, unsigned int seed); ///< To be inlined, the struct must be visible. So it does not make sense to try and keep it opaque with malloc/free-like calls. +attribute_deprecated void av_random_generate_untempered_numbers(AVRandomState *state); ///< Regenerate the untempered numbers (must be done every 624 iterations, or it will loop). /** * Generates a random number from the interval [0,0xffffffff]. @@ -49,7 +49,7 @@ void av_random_generate_untempered_numbers(AVRandomState *state); ///< Regenerat * If you still choose to use MT, expect that you will have to provide * some evidence that it makes a difference for the case where you use it. */ -static inline unsigned int av_random(AVRandomState *state) +attribute_deprecated static inline unsigned int av_random(AVRandomState *state) { unsigned int y; @@ -70,7 +70,7 @@ static inline unsigned int av_random(AVRandomState *state) } /** Returns a random number in the range [0-1] as double. */ -static inline double av_random_real1(AVRandomState *state) +attribute_deprecated static inline double av_random_real1(AVRandomState *state) { /* divided by 2^32-1 */ return av_random(state) * (1.0 / 4294967296.0); |