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simplify init_pow2table 

Originally committed as revision 13365 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-05-24 22:28:33 +00:00
parent 40756c172c
commit 158bf33e36
1 changed files with 3 additions and 7 deletions
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10
libavcodec/cook.c
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@ -185,13 +185,9 @@ static void dump_short_table(short* table, int size, int delimiter) {
/* table generator */
static void init_pow2table(COOKContext *q){
int i;
q->rootpow2tab[63] =
q->pow2tab[63] = 1.0;
for (i=1 ; i<64 ; i++){
q->pow2tab[63+i]=(float)((uint64_t)1<<i);
q->pow2tab[63-i]=1.0/(float)((uint64_t)1<<i);
q->rootpow2tab[63+i]=sqrt((float)((uint64_t)1<<i));
q->rootpow2tab[63-i]=sqrt(1.0/(float)((uint64_t)1<<i));
for (i=-63 ; i<64 ; i++){
q-> pow2tab[63+i]= pow(2, i);
q->rootpow2tab[63+i]=sqrt(pow(2, i));
}
}