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Questions tagged bit-shift

24 questions

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19
votes
3
answers

Difference between >> and >>> in Scala

scala operators bit-shift
asked 2013-06-20T04:42:34.230
27
votes
3
answers

Java: right shift on negative number

java bit-manipulation bitwise-operators bit-shift negative-number
asked 2013-03-17T05:39:29.067
13
votes
3
answers

What's the purpose to bit-shift int value by zero?

java bit-shift
asked 2012-05-11T14:21:33.447
12
votes
3
answers

Why do shift operations always result in a signed int when operand is <32 bits

c# bit-shift
asked 2012-02-09T11:52:54.193
23
votes
6
answers

Why do we need to use shift operators in java?

java bit-shift
asked 2011-09-17T12:10:06.280
17
votes
4
answers

Signed right shift: which compiler use logical shift

c++ c bit-shift implementation-defined-behavior
asked 2011-06-27T01:46:05.517
76
votes
9
answers

What does a bitwise shift (left or right) do and what is it used for?

bit-manipulation bitwise-operators bit-shift
asked 2011-06-17T12:35:03.910
336
votes
19
answers

Is multiplication and division using shift operators in C actually faster?

c++ c division multiplication bit-shift
asked 2011-06-15T11:31:04.993
22
votes
1
answers

Meaning of <<= and |=

c operators semantics bit-shift logical-operators
asked 2011-05-26T06:12:06.217
10
votes
2
answers

Replace least significant bit with bitwise operations

binary bit-manipulation bit-shift boolean-operations
asked 2011-05-19T13:30:30.210
10
votes
1
answers

Java Bit Manipulation - What does (num >>= 1) do?

java bit-manipulation bit-shift
asked 2011-04-08T03:21:41.050
26
votes
3
answers

Google Protocol Buffers: ZigZag Encoding

protocol-buffers bit-shift zigzag-encoding
asked 2010-12-26T07:27:39.803
78
votes
6
answers

warning: left shift count >= width of type

c bit-manipulation long-integer bit-shift
asked 2010-11-17T03:48:22.967
78
votes
5
answers

How does an arithmetic bit-shift affect a signed integer?

c bit-manipulation bit-shift
asked 2010-10-24T19:05:38.847
27
votes
4
answers

What does >> do in Java?

java operators bit-shift
asked 2010-10-13T06:01:47.563
55
votes
8
answers

Why does left shift operation invoke Undefined Behaviour when the left side operand has negative value?

c++ c language-lawyer undefined-behavior bit-shift
asked 2010-09-24T07:26:22.233
9
votes
1
answers

Logical, arithmetical bitwise shifts

c bit-manipulation bit-shift
asked 2010-09-13T17:49:30.127
22
votes
7
answers

Weird behavior of right shift operator (1 >> 32)

c++ c bit-manipulation bit-shift
asked 2010-08-03T06:59:44.183
10
votes
3
answers

How to perform rotate shift in C

c assembly bit-shift
asked 2010-05-14T15:43:37.410
29
votes
4
answers

Why do bit shifts of large numbers give incorrect results in JavaScript?

javascript bit-shift
asked 2010-03-03T18:13:43.710
21
votes
4
answers

In C++, what is the difference between 1 and 1i64?

c++ 64-bit bit-shift
asked 2009-08-12T03:22:00.863
10
votes
4
answers

What is the best way to combine two uints into a ulong in c#

c# bit-shift uint ulong
asked 2009-07-30T21:17:29.120
86
votes
14
answers

Java: Checking if a bit is 0 or 1 in a long

java long-integer bit-shift
asked 2009-07-07T13:41:43.963
36
votes
6
answers

Need help understanding "getbits()" method in Chapter 2 of K&R C

c operators bit-manipulation bit-shift complement
asked 2008-10-13T13:46:05.087