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-rw-r--r--libavcodec/cook.c10
1 files changed, 3 insertions, 7 deletions
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));
}
}