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This commit is contained in:
twinaphex 2017-05-27 03:20:47 +02:00
parent 716b9ac09a
commit 94e2570c2f
1 changed files with 2 additions and 4 deletions
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6
cores/libretro-ffmpeg/ffmpeg_fft.c
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@ -153,8 +153,6 @@ typedef float stub_matrix4x4[4][4];
static INLINE unsigned log2i(unsigned x)
{
unsigned res;
if (x==0)
return 0; /* shouldn't happen */
for (res = 0; x; x >>= 1)
res++;
@ -164,8 +162,8 @@ static INLINE unsigned log2i(unsigned x)
static INLINE unsigned bitinverse(unsigned x, unsigned size)
{
unsigned i;
unsigned size_log2 = log2i(size);
unsigned ret = 0;
unsigned size_log2 = (size == 0) ? 0 : log2i(size);
unsigned ret = 0;
for (i = 0; i < size_log2; i++)
ret |= ((x >> i) & 0x1) << (size_log2 - 1 - i);