bitwise-operators
Why does replacing if-else by bit-operation turn out to be slower in CUDA?
I replace if((nMark >> tempOffset) & 1){nDuplicate++;} else{nMark = (nMark | (1 << tempOffset));}[详细]
2023-03-30 07:14 分类:问答why java/android allows bitwise & between a boolean variable and a String
I am allowed to do a bitwise & between a boolean variable and a String. There is no co开发者_运维知识库mpilation error![详细]
2023-03-28 04:13 分类:问答Implement bit operations only by ADD, SUB, MUL and DIV instructions
I am writing a compiler -- just for fun and to improve my skills. I\'d like to implement a subset of C language. The problem is: I\'m compiling to the assembler of theoretical 16-bit RISC processor ca[详细]
2023-03-26 12:48 分类:问答XOR tool that updates in real time [closed]
Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow.[详细]
2023-03-25 19:03 分类:问答Change a bit of an integer [duplicate]
This question already has answers here: How do I set, clear, and toggle a single bit? (27 answe开发者_JAVA百科rs)[详细]
2023-03-25 15:00 分类:问答What does |= (single pipe equal) and &=(single ampersand equal) mean
In below lines: //Folder.Attributes = FileAttributes.Directory | FileAttributes开发者_运维问答.Hidden | FileAttributes.System | FileAttributes.ReadOnly;[详细]
2023-03-25 01:31 分类:问答How to combine two image byte[] arrays together quickly utilizing a mask array in C#
In a nutshell I have two images I want to overlay one over the other using a mask so that only parts of the second image show up. This is part of a real time image processing routine so I need the ope[详细]
2023-03-23 22:08 分类:问答multiplication in C without arithmetic operators
Is it possible to mul开发者_C百科tiply two numbers with out using arithmetic operators using C? Using the left shift operator, I can multiply any number by 2 only. How about other numbers?To solve thi[详细]
2023-03-23 07:08 分类:问答Why does _ret evaluate to true, shouldn't it evaluate to false (Bit Operator)?
class Program { private static bool _ret = true; static void Main() { _ret &= Method(); Console.WriteLine(_ret);[详细]
2023-03-22 13:04 分类:问答Trouble with gmp_xor on 32 bit
On a 64-bit machine (1 ^ 2489596804) gives -1805370491 in response.However, when I do this on a 32-bit PHP machine, I get 2489596805 in response.[详细]
2023-03-22 10:16 分类:问答