floating-point

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What happens to a float variable when %d is used in a printf?

I\'m trying to learn C by reading C Programming Language, 2nd Edition . I have some programming experience but not with C.[详细]

2023-04-05 20:36 分类：问答
NaN ASCII I/O with Visual C++

I want to read and write NaN values from/into text files using iostream and Visual C++. When writing a NaN value, i get 1.#QNAN. But, reading it back outputs 1.0 .[详细]

2023-04-05 19:32 分类：问答
long to float conversion in linux kernel module

It\'s my first question here, and I hope that I\'ll get useful answers or hints here. As it\'s in the title: I need to convert from long to float in a kernel module, for example: 78123456 to 78.12345[详细]

2023-04-05 19:05 分类：问答
Why is 0.1f's last binary bit rounded to 1?

I\'m following an operating system course at college and we recently learned how floating point numbers are represented in memory.[详细]

2023-04-05 17:15 分类：问答
How to return float number with 2 digits after decimal point?

I have some simple function f :: Float -> Float开发者_StackOverflow社区 f x = x Prelude> f 5.00[详细]

2023-04-05 17:13 分类：问答
how to save celsius / fahrenheit Value

i am working on a app where the user can store a temperature. he开发者_JAVA技巧 can choose between celsius / fahrenheit[详细]

2023-04-05 12:37 分类：问答
Convert cents into dollar string in Ruby without use of BigDecimal

I want to con开发者_如何学Pythonvert from cents to dollars correctly in Ruby. I will never have to work with fractions of cents.[详细]

2023-04-05 11:35 分类：问答
How to format a double with as many as significant digits as possible?

I wa开发者_开发知识库nt to format a double value with as many digits as necessary to stay the same value.[详细]

2023-04-05 09:33 分类：问答
Android use NumberFormat for an item of a ListView

I have a String in an Editext that I convert to a float like this : float montantFac = Float.valueOf(etMontantFac.getText().toString());[详细]

2023-04-05 07:40 分类：问答
Java Convert from Scientific Notation to Float

I have a program that I am working on which would effectively convert binary, decimal, or hex numbers to other formats (don\'t ask why I\'m doing this, I honestly don\'t know). So far I only have a bi[详细]

2023-04-05 06:26 分类：问答