How to resolve the algorithm Bitwise operations step by step in the Mathematica/ Wolfram Language programming language
How to resolve the algorithm Bitwise operations step by step in the Mathematica/ Wolfram Language programming language
Table of Contents
Problem Statement
Write a routine to perform a bitwise AND, OR, and XOR on two integers, a bitwise NOT on the first integer, a left shift, right shift, right arithmetic shift, left rotate, and right rotate. All shifts and rotates should be done on the first integer with a shift/rotate amount of the second integer. If any operation is not available in your language, note it.
Let's start with the solution:
Step by Step solution about How to resolve the algorithm Bitwise operations step by step in the Mathematica/ Wolfram Language programming language
This Wolfram code snippet demonstrates various bitwise operations and bit manipulation techniques. Here's a detailed explanation of each operation:
Bit And (BitAnd[integer1, integer2]):
- Performs a bitwise AND operation on two integers (integer1 and integer2).
- Each bit in the result is set to 1 only if both corresponding bits in the input integers are 1.
- Otherwise, it is set to 0.
Bit Xor (BitXor[integer1, integer2]):
- Performs a bitwise XOR operation on two integers (integer1 and integer2).
- Each bit in the result is set to 1 if the corresponding bits in the input integers are different (one is 0 and the other is 1).
- Otherwise, it is set to 0.
Bit Or (BitOr[integer1, integer2]):
- Performs a bitwise OR operation on two integers (integer1 and integer2).
- Each bit in the result is set to 1 if at least one corresponding bit in the input integers is 1.
- Otherwise, it is set to 0.
Bit Not (BitNot[integer1]):
- Performs a bitwise NOT operation on an integer (integer1).
- Flips all the bits in the input integer, converting 0s to 1s and 1s to 0s.
Bit Shift Left (BitShiftLeft[integer1]):
- Shifts all the bits in the input integer (integer1) to the left by one position.
- The leftmost bit is shifted out and discarded, and a 0 is added to the right end.
- This is equivalent to multiplying the integer by 2.
Bit Shift Right (BitShiftRight[integer1]):
- Shifts all the bits in the input integer (integer1) to the right by one position.
- The rightmost bit is shifted out and discarded, and a 0 is added to the left end.
- This is equivalent to dividing the integer by 2 (integer division).
Rotate Digits Left (RotateLeft[IntegerDigits[integer1, 2]], 2]):
- Converts the input integer (integer1) to its binary representation (digits) using the IntegerDigits function.
- Rotates the binary digits left by one position using the RotateLeft function.
- Converts the rotated binary digits back to an integer using the FromDigits function with a base of 2.
Rotate Digits Right (RotateRight[IntegerDigits[integer1, 2]], 2]):
- Similar to rotating digits left, but it rotates the binary digits right by one position.
Right Arithmetic Shift (Prepend[Most[#], #[[1]]], 2] &[IntegerDigits[integer1, 2]]):
- Converts the input integer (integer1) to its binary representation using IntegerDigits.
- Performs a right arithmetic shift by removing the rightmost digit and prepending it to the list of digits.
- This is different from a bit shift right, as it preserves the sign bit in the case of negative integers.
Example: The final line of the code shows an example of bitwise XOR operation:
BitXor[3333, 5555, 7777, 9999]
This operation calculates the bitwise XOR of four integers (3333, 5555, 7777, and 9999) and returns the result as 8664.
Source code in the wolfram programming language
(*and xor and or*)
BitAnd[integer1, integer2]
BitXor[integer1, integer2]
BitOr[integer1, integer2]
(*logical not*)
BitNot[integer1]
(*left and right shift*)
BitShiftLeft[integer1]
BitShiftRight[integer1]
(*rotate digits left and right*)
FromDigits[RotateLeft[IntegerDigits[integer1, 2]], 2]
FromDigits[RotateRight[IntegerDigits[integer1, 2]], 2]
(*right arithmetic shift*)
FromDigits[Prepend[Most[#], #[[1]]], 2] &[IntegerDigits[integer1, 2]]
BitXor[3333, 5555, 7777, 9999]
8664
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