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Questions - integer-arithmetic

How to create a variable that contains an Operator in Java?

I'm trying to write a program in 30 lines or less for my class (self imposed challenge). The program asks the user a simple addition, division, multiplication, or subtraction question and the player a...
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SirDuke

java

variables

operators

integer-arithmetic

Votes: 0

Answers: 3

Latest Answer

No, you can't do that directly. You will have to make a type that represents an operator. The most common way to do this is with an enum: enum Operator { PLUS { @Override int operate(int a, int...
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Louis Wasserman

What is the optimum precision to use in an arithmetic encoder?

I've implemented an arithmetic coder here - https://github.com/danieleades/arithmetic-coding i'm struggling to understand a general way to choose an optimal number of bits for representing integers wi...
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danieleades

encoding

compression

integer-arithmetic

lossless-compression

Votes: 0

Answers: 0

Float function does not return float value

I have programmed two simple functions. I want the user to write a integer value and the program finds the outputs from these two functions. Here's how the code looks like, #include <stdio.h> f...
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g&#246;ktuğ

c

function

floating-point

return-value

integer-arithmetic

Votes: 0

Answers: 2

Latest Answer

In the both these expressions in the return statements return ((x * (x-2)) / 2); return (x * (x - 1) * (x - 2) / 3); there is used the integer arithmetic. Change these statements like for example ...
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Vlad from Moscow

Multiply every element of an array by the same scalar in zsh

I would like to multiply every element in an array in zsh by the same scalar. I would be able to do this very easily in Python, but have looked in many places and cannot figure out how to do it in a z...
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seeker_after_truth

arrays

shell

zsh

integer-arithmetic

Votes: 0

Answers: 2

Latest Answer

You have to iterate over the elements of the array and multiply each one: #!/usr/bin/env zsh typeset -a mean=(1 2 2 1 -1 -2 -2 -1) for n in "${mean[@]}"; do print $((2 * n)) done
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Shawn

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