diff options
Diffstat (limited to 'libavutil/internal.h')
| -rw-r--r-- | libavutil/internal.h | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/libavutil/internal.h b/libavutil/internal.h index 5e5a3fc897..a9c2ff5e7e 100644 --- a/libavutil/internal.h +++ b/libavutil/internal.h @@ -128,28 +128,6 @@ /* math */ -extern const uint8_t ff_sqrt_tab[256]; - -static inline av_const unsigned int ff_sqrt(unsigned int a) -{ - unsigned int b; - - if (a < 255) return (ff_sqrt_tab[a + 1] - 1) >> 4; - else if (a < (1 << 12)) b = ff_sqrt_tab[a >> 4] >> 2; -#if !CONFIG_SMALL - else if (a < (1 << 14)) b = ff_sqrt_tab[a >> 6] >> 1; - else if (a < (1 << 16)) b = ff_sqrt_tab[a >> 8] ; -#endif - else { - int s = av_log2_16bit(a >> 16) >> 1; - unsigned int c = a >> (s + 2); - b = ff_sqrt_tab[c >> (s + 8)]; - b = FASTDIV(c,b) + (b << s); - } - - return b - (a < b * b); -} - #if ARCH_X86 #define MASK_ABS(mask, level)\ __asm__ volatile(\ |