Top "Bit-shift" questions

A bit shift operation moves the bits contained in a binary numeral or bit pattern to the left or to the right.

Times-two faster than bit-shift, for Python 3.x integers?

I was looking at the source of sorted_containers and was surprised to see this line: self._load, self._twice, …

python python-3.x performance bit-shift integer-arithmetic
Is bit shifting O(1) or O(n)?

Are shift operations O(1) or O(n) ? Does it make sense that computers generally require more operations to shift 31 places …

language-agnostic big-o cpu hardware bit-shift
Shift count negative or too big error - correct solution?

I have the following function for reading a big-endian quadword (in a abstract base file I/O class): unsigned long …

c++ math bit-shift
Bitwise Operations on char*

GCC gives error when compiling the code below. The commented two lines instead of the other or and shift lines …

c pass-by-reference bitwise-operators bit-shift bitwise-or
Bitwise operations and shifts

Im having some trouble understanding how and why this code works the way it does. My partner in this assignment …

c bit-manipulation bitwise-operators twos-complement bit-shift
What does >> do in Java?

Okay, I tried looking up what >>, or shift means, but it's way over my head as this site …

java operators bit-shift
Shifting the Sign extended constant in MIPS

Why do we shift by 2 the sign extended 16bit constant in branching instruction in MIPS? I am confused with this …

constants mips bit-shift 16-bit sign-extension
Bitshifting a long in Java

Im sure this is an easy one for whoever sees it first! Why in Java does code like long one = 1 &…

java bit-shift
Difference between >> and >>> in Scala

Is there any difference between >> and >>> operator in Scala? scala> 0x7f >>&…

scala operators bit-shift
Why do we need to use shift operators in java?

What is the purpose of using Shift operators rather than using division and multiplication? Are there any other benefits of …

java bit-shift