diff --git a/libavcodec/cook.c b/libavcodec/cook.c index 3b3f6e8ad1..cac3fdb8c4 100644 --- a/libavcodec/cook.c +++ b/libavcodec/cook.c @@ -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)); } }