virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-11-26 19:01:44 +02:00
Code Issues Releases Activity

misc spelling/wording fixes

Browse Source 
Originally committed as revision 14539 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Diego Biurrun 2008-08-04 21:54:50 +00:00
parent 910e366817
commit 354de1d0b5
2 changed files with 10 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavutil/random.c
View File

@ -41,7 +41,7 @@ void av_init_random(unsigned int seed, AVRandomState *state)
int index;
/*
This differs from the wikipedia article. Source is from the Makoto
This differs from the wikipedia article. Source is from the
Makoto Matsumoto and Takuji Nishimura code, with the following comment:
*/
/* See Knuth TAOCP Vol2. 3rd Ed. P.106 for multiplier. */

18
libavutil/random.h
View File

@ -28,17 +28,17 @@
typedef struct {
unsigned int mt[AV_RANDOM_N]; ///< the array for the state vector
int index; ///< current untempered value we use as the base.
int index; ///< Current untempered value we use as the base.
} AVRandomState;
void av_init_random(unsigned int seed, AVRandomState *state); ///< to be inlined, the struct must be visible, so it doesn't 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)
void av_init_random(unsigned int seed, AVRandomState *state); ///< 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).
/**
* generates a random number on [0,0xffffffff]-interval
* Generates a random number from the interval [0,0xffffffff].
*
* Please do NOT use the mersenne twister, it is slow, use the random generator
* Please do NOT use the Mersenne Twister, it is slow. Use the random generator
* from lfg.c/h or a simple LCG like state= state*1664525+1013904223.
* 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.
@ -47,14 +47,14 @@ static inline unsigned int av_random(AVRandomState *state)
{
unsigned int y;
// regenerate the untempered numbers if we should...
// Regenerate the untempered numbers if we should...
if (state->index >= AV_RANDOM_N)
av_random_generate_untempered_numbers(state);
// grab one...
// Grab one...
y = state->mt[state->index++];
/* Now temper (Mersenne Twister coefficients) The coefficients for MT19937 are.. */
/* Now temper (Mersenne Twister coefficients). The coefficients for MT19937 are.. */
y ^= (y >> 11);
y ^= (y << 7) & 0x9d2c5680;
y ^= (y << 15) & 0xefc60000;
@ -63,7 +63,7 @@ static inline unsigned int av_random(AVRandomState *state)
return y;
}
/** return random in range [0-1] as double */
/** Return random in range [0-1] as double. */
static inline double av_random_real1(AVRandomState *state)
{
/* divided by 2^32-1 */