precision

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Rounding off and storing just that value for currency

What is the way to round off a variable and store it rounded off so that if it goes to DB, it goes off exactly as it was being displayed.[详细]

2023-03-25 20:17 分类：问答
MSSQL PHP Error: invalid precision value hy104

Have been trying to debug this for hours and no outcome. Please help. Environment: PHP5.3 talking to MSSQL2005/8 with Microsoft MSSQL Driver for PHP[详细]

2023-03-25 09:34 分类：问答
Emulate "double" using 2 "float"s

I am writing a program for an embedded hardware that only supports 32-bit single-precision floating-point arithmetic. The algorithm I am implementing, however, requires a 64-bit double-precision addit[详细]

2023-03-22 07:04 分类：问答
How can I handle precision error with float in Java?

I\'m wondering what the best way to fix precision errors is in Java. As you can see in the following example, there are precision errors:[详细]

2023-03-21 03:17 分类：问答
Writing numbers to a file with more precision - C++

I wrote some parameters (all of type double) to a file for use in performing some complex computations. I write the parameters to the files like so:[详细]

2023-03-20 21:06 分类：问答
Is floating-point math consistent in C#? Can it be?

No, this is not another \"Why is (1/3.0)*3 != 1\" question. I\'ve been reading about floating-points a lot lately; specifically, how the same calculation might give different results on different arc[详细]

2023-03-20 14:37 分类：问答
In which order should floats be added to get the most precise result?

This was a question I was asked at my recent interview and I want to know (I don\'t actually remember the theory of the numerical analysis, so please help me :)[详细]

2023-03-20 05:04 分类：问答
C++ : Writing doubles in a file with more precision than default

I want to write doubles to a file but the string cast reduces the precision. Edit : I don\'t really cast but put the doubles in an ostringstream.[详细]

2023-03-19 21:04 分类：问答
What's the microseconds precision in PHP under different OSes?

If I do: echo microtime(true); I get the following results: On my local Windows development environment I get a 4 digit precision (1310564569.4162 for example).[详细]

2023-03-19 19:58 分类：问答
Python module for ganglia - precision number being rounded by gmond

I\'ve written a python module for g开发者_如何转开发anglia that is returning response times.The raw times look like this:[详细]

2023-03-17 00:04 分类：问答