sqrt

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I don't understand number conversions in Haskell

Here is what I\'m trying to do: isPrime :: Int -> Bool isPrime x = all (\\y -> x `mod` y /= 0) [3, 5..floor(sqrt x)][详细]

2023-03-27 10:45 分类：问答
c++ practical computational complexity of <cmath> SQRT()

What is the difference in CPU cycles (or, in essence, in \'speed\') between x /= y; and #include <cmath>[详细]

2023-03-24 04:50 分类：问答
Approach 2D position

I started working on a concept that requires me to find a way to move a rectangle toward a given point at a given speed. I\'m developing for Android so this is relatively speed critical (it\'s going t[详细]

2023-03-13 20:54 分类：问答
Inverse sqrt for fixed point

I am looking for the best inverse square root algorithm for fixed point 16.16 numbers. The code below is what I have so开发者_JAVA技巧 far(but basically it takes the square root and divides by the ori[详细]

2023-03-11 04:52 分类：问答
How to diagnose ambiguous call to sqrt(int&) in g++ 4.3.4

My code is as follows: #include <cmath> #include <iostream> float foo(float f) { std::cout << \"float\\n\";[详细]

2023-03-07 11:42 分类：问答
Where can I inspect Python's math functions?

I would like to look at the way Python does computes square roots, so I tried to find the definition for math.sqrt(), but I can\'t find it anywhere. I have looked in _math.c, mathmodule.c, and elsewhe[详细]

2023-02-20 09:21 分类：问答
php sqrt function that returns an integer?

I\'m creating a simple PHP program that does an action if (and only if) three random numbers compute to an integer. The random numbers are all integers, created with the rand() function. Without going[详细]

2023-02-14 01:22 分类：问答
Implement double sqrt(double x) in C++ [closed]

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references,or expertise, but this question will likely solicit debate, a[详细]

2023-02-10 06:48 分类：问答
sqrt() returning INF

Hi I\'m trying to do some calculations with long doubles and I am getting INF from sqrt(开发者_如何学编程) function.[详细]

2023-02-07 19:05 分类：问答
How can I account for round-off errors in floating-point arithmetic for inverse trig (and sqrt) functions (in C)?

I have a fairly complicated function that takes several double values that represent two vectors in 3-space of the form (magnitude, latitude, longitude) where latitude and longitude are in radians, an[详细]

2023-01-24 17:04 分类：问答