Revision 2cf3c863 libavutil/lfg.h

View differences:

libavutil/lfg.h
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void av_lfg_init(AVLFG *c, unsigned int seed);


  		




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/**


  		




  
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 * Gets the next random unsigned 32bit number.


  		




  
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 *


  		




  
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 * Please also consider a simple LCG like state= state*1664525+1013904223,


  		




  
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 * it may be good enough and faster for your specific use case.


  		




  
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 */


  		




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static inline unsigned int av_lfg_get(AVLFG *c){


  		




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    c->state[c->index & 63] = c->state[(c->index-24) & 63] + c->state[(c->index-55) & 63];


  		




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    return c->state[c->index++ & 63];


  		












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