diff options
Diffstat (limited to 'source/blender/blenlib/BLI_math_bits.h')
-rw-r--r-- | source/blender/blenlib/BLI_math_bits.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_math_bits.h b/source/blender/blenlib/BLI_math_bits.h index e881f1a0e4e..70a54879446 100644 --- a/source/blender/blenlib/BLI_math_bits.h +++ b/source/blender/blenlib/BLI_math_bits.h @@ -28,24 +28,29 @@ extern "C" { #endif /* Search the value from LSB to MSB for a set bit. Returns index of this bit. */ + MINLINE int bitscan_forward_i(int a); MINLINE unsigned int bitscan_forward_uint(unsigned int a); MINLINE unsigned int bitscan_forward_uint64(unsigned long long a); /* Similar to above, but also clears the bit. */ + MINLINE int bitscan_forward_clear_i(int *a); MINLINE unsigned int bitscan_forward_clear_uint(unsigned int *a); /* Search the value from MSB to LSB for a set bit. Returns index of this bit. */ + MINLINE int bitscan_reverse_i(int a); MINLINE unsigned int bitscan_reverse_uint(unsigned int a); MINLINE unsigned int bitscan_reverse_uint64(unsigned long long a); /* Similar to above, but also clears the bit. */ + MINLINE int bitscan_reverse_clear_i(int *a); MINLINE unsigned int bitscan_reverse_clear_uint(unsigned int *a); /* NOTE: Those functions returns 2 to the power of index of highest order bit. */ + MINLINE unsigned int highest_order_bit_uint(unsigned int n); MINLINE unsigned short highest_order_bit_s(unsigned short n); |