integer-division
Why in Ruby 0.0/0, 3.0/0 and 3/0 behave differently?
If I divi开发者_如何转开发de by 0, I get either a ZeroDivisionError, Infinity or NaN depending on what is divided.[详细]
2023-04-12 00:44 分类：问答Why does dividing two int not yield the right value when assigned to double?
How come that in the following snippet int a = 7; int b = 3; double c = 0; c = a / b; c ends up having the value 2, rather than 2.3333, as one would expect. If a and b are doubles, the answer does[详细]
2023-04-07 19:07 分类：问答Is there a c++ function (built-in or otherwise) that gives the integer division and modular division results without repeating the operation?
You could write something like: int i = 3; int k = 2; int division = i / k; int remainder = i % k; It seems as thought this would, on a low level, ask an ALU to perform two vision operations: one r[详细]
2023-04-05 03:36 分类：问答Does do_div() in Linux work in 32 and 64 bit architectures?
I need to do an integer division in a kernel module and I am using do_div() for that. It seems to work on my machine (I have an i686 processor), however I am not sure that it works everywhere. Could a[详细]
2023-04-03 05:58 分类：问答Does \ perform integer division in VB?
In VB.NET even if both the operands are integer, the / operator will cause the value to be floating point (if the result is non开发者_开发百科 integer).[详细]
2023-03-31 11:18 分类：问答Visual C++ generates DIV instead of IDIV (x86, integer arithmetic)
I\'m working with Visual C++ 2008 here (9.x) and I was preparing a fixed point value when I ran into the compiler generating a DIV instead of an IDIV. I collapsed the code into a tiny piece to exactly[详细]
2023-03-29 05:41 分类：问答Can you decorate a hexadecimal constant so it's interpreted as a float?
Just curious about something. While converting HTML colors (whose individual color components are represented via 2-digit hexadecimal values) to floats开发者_开发问答 between 0.0 and 1.0 so we can use[详细]
2023-03-24 17:25 分类：问答C# double, decimal problems
Why does this calcuation: d开发者_如何转开发ouble number = (13 /(13+12+13)) equals 0? It should be around 0.34, I think![详细]
2023-03-12 11:06 分类：问答Which is the best way, in C, to see if a number is divisible by another?
Which is the best way, in C, to see if a number is divisible by another? I use this: if (!(a % x)) { // this will be executed if a is divisible by x[详细]
2023-03-08 04:39 分类：问答Locating numerical errors due to Integer division
Is there a g++ warning or other tool that can identify integer division (truncation toward zero)?I have thousands of lines of code with calculations that inevitably will have numerical errors typicall[详细]
2023-03-07 20:54 分类：问答
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