integer-overflow
What's an efficient way to avoid integer overflow converting an unsigned int to int in C++?
Is the following an efficient and problem free way to convert an unsigned int to an int in C++: #include <limits.h>[详细]
2023-02-14 11:12 分类:问答Feedback on analysis of code example (secure coding)
I have a piece of code from an assignment I am uncertain about. I feel confident that I know the answer, but I just want to double-check with the community incase there\'s something I forgot. The titl[详细]
2023-02-14 04:28 分类:问答doubt with range of int variable
i have a doubt with the range of int value int x=2147483647;/*NO Error--this number is the maximum range[详细]
2023-02-13 16:31 分类:问答How to nicely "cast" qint64 to int for QProgressBar
I\'m playing around with QFtp (yes .. I know) and all works well. Using c开发者_开发知识库ode from their own example(s) as a guideline.[详细]
2023-02-09 09:37 分类:问答long ans = ((long) INT_MIN) * 2 - 1; causing a warning because of integer overflow
I have this in my code and it is causing the warning that follows: long ans = ((long) INT_MIN) * 2 - 1;[详细]
2023-02-08 00:05 分类:问答Jiffies Counter Over Flow case + Linux
Jiffies counter returns an unsigned integer of size four bytes. when the counter reaches maximum value then it restarts from 0 again. I\'ll subtract the latest value with the old value to get the dura[详细]
2023-02-05 15:50 分类:问答Kinds of integer overflow on subtraction
I\'m making an attempt to learn C++ over again, using Sams Teach Yourself C++ in 21 Days (6th ed.). I\'m trying to work through it very thoroughly, making sure I understand each chapter (although I\'m[详细]
2023-01-21 04:50 分类:问答Detecting signed overflow in C/C++
At first glance, this question may seem like a duplicate of How to detect integer overflow?, however it is actually significantly different.[详细]
2023-01-20 07:43 分类:问答double precision integer subtraction with 32-bit registers(MIPS)
I am learning computer arithmetic. The book I use(Patterson and Hennessey) lists the below question. Write mips code to conduct double[详细]
2023-01-20 06:03 分类:问答java arithmetic
why this code returns wrong value? int i=Int开发者_高级运维eger.MAX_VALUE+1; long l=Integer.MAX_VALUE+1;[详细]
2023-01-19 20:36 分类:问答