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| author | Mattias Andrée <maandree@operamail.com> | 2014-02-10 20:08:29 +0100 |
|---|---|---|
| committer | Mattias Andrée <maandree@operamail.com> | 2014-02-10 20:08:29 +0100 |
| commit | fd8fa69fa02d8a6c9fbff40088b4e66a711599de (patch) | |
| tree | 719a5ed424e913ea2ca64bd7f40df531158a3e81 /src/algorithms/bits/Bits.java | |
| parent | m (diff) | |
| download | algorithms-and-data-structures-fd8fa69fa02d8a6c9fbff40088b4e66a711599de.tar.gz algorithms-and-data-structures-fd8fa69fa02d8a6c9fbff40088b4e66a711599de.tar.bz2 algorithms-and-data-structures-fd8fa69fa02d8a6c9fbff40088b4e66a711599de.tar.xz | |
fix bit pattern
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to '')
| -rw-r--r-- | src/algorithms/bits/Bits.java | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/algorithms/bits/Bits.java b/src/algorithms/bits/Bits.java index 4d5c944..5172254 100644 --- a/src/algorithms/bits/Bits.java +++ b/src/algorithms/bits/Bits.java @@ -275,15 +275,15 @@ public class Bits public static £{T} ones_parallel(£{T} value) { £{T} rc = value; - rc = (£{T})(((rc >> 1) & (£{T})0xAAAAAAAAAAAAAAAAL) + (rc & (£{T})0xAAAAAAAAAAAAAAAAL)); - rc = (£{T})(((rc >> 2) & (£{T})0xCCCCCCCCCCCCCCCCL) + (rc & (£{T})0xCCCCCCCCCCCCCCCCL)); - rc = (£{T})(((rc >> 4) & (£{T})0xF0F0F0F0F0F0F0F0L) + (rc & (£{T})0xF0F0F0F0F0F0F0F0L)); + rc = (£{T})(((rc >> 1) & (£{T})0x5555555555555555L) + (rc & (£{T})0x5555555555555555L)); + rc = (£{T})(((rc >> 2) & (£{T})0x3333333333333333L) + (rc & (£{T})0x3333333333333333L)); + rc = (£{T})(((rc >> 4) & (£{T})0x0F0F0F0F0F0F0F0FL) + (rc & (£{T})0x0F0F0F0F0F0F0F0FL)); £>(( $S > 1 )) && - rc = (£{T})(((rc >> 8) & (£{T})0xFF00FF00FF00FF00L) + (rc & (£{T})0xFF00FF00FF00FF00L)); + rc = (£{T})(((rc >> 8) & (£{T})0x00FF00FF00FF00FFL) + (rc & (£{T})0x00FF00FF00FF00FFL)); £>(( $S > 2 )) && - rc = (£{T})(((rc >> 16) & (£{T})0xFFFF0000FFFF0000L) + (rc & (£{T})0xFFFF0000FFFF0000L)); + rc = (£{T})(((rc >> 16) & (£{T})0x0000FFFF0000FFFFL) + (rc & (£{T})0x0000FFFF0000FFFFL)); £>(( $S > 4 )) && - rc = (£{T})(((rc >> 32) & (£{T})0xFFFFFFFF00000000L) + (rc & (£{T})0xFFFFFFFF00000000L)); + rc = (£{T})(((rc >> 32) & (£{T})0x00000000FFFFFFFFL) + (rc & (£{T})0x00000000FFFFFFFFL)); return rc; } |