Tagged Questions
2
votes
1answer
153 views
Barnes-Hut implementation of the N-Body problem translated from F# to C#
I am after a peer review of a C# implementation of the Barnes-Hut algorithm which I have translated from F#. The F# version is the base for comparison, therefore the C# version is suppose to reflect ...
6
votes
1answer
279 views
Discriminated-unions in C#
So I really want to have something similar to discriminated unions in C#.
One way to do it is to use a visitor pattern, but it takes half a life to write all broilerplate code by hands.
There is ...
4
votes
2answers
304 views
Learning F# - Porting C# Function to F#
I'm an advanced C# programmer learning F#. As an exercise I'm porting a function that calculates the check digit of a US ABA (routing) number. Here are 2 C# implementations:
...
2
votes
2answers
222 views
My implementation of lexicographic permutation in F# is 3x slower than C#?
Can someone help me with the following micro optimization for the f# code for lexicographic permutation?
I have code in C#, which runs 0.8s in x86 and x64. As a learning practice, I translated it ...
2
votes
3answers
434 views
How to improve this array manipulation function? [closed]
The function takes 2 arguments: array: int[], cap: int
Members would be ranged from 0 to cap.
e.g.
array = [0,0,0,2,6,3,0,4,2,4,0]
cap = 6
The return value is ...
4
votes
1answer
100 views
How to refactor this groupby alike method but with index?
I have got such 2d jagged array (row is 1st dimension, column is 2nd dimension, bottom to up, left to right)
...
4
votes
1answer
480 views
Rewrite C# class in F# result in half performance, any suggestion?
This is my c# class takes 2.6s
...
2
votes
1answer
891 views
Symbolic derivative in C#
I have translated the following F# code to C# and would appreciate constructive criticism. This code computes the symbolic derivative of the expression f(x)=x³-x-1:
...
3
votes
1answer
498 views
Review an asynchronous/message-oriented library actor
I'd like to get input on a F# actor that coordinates receives around a blocking message buffer. The actor is a piece of code that continuously tries to fetch messages from Azure Service Bus.
...
3
votes
2answers
447 views
Immutable pure data classes with public setters on properties
I'm putting together some classes as a model for some information (that I'm currently pulling from a website).
The classes are implemented in C# - because in the current version of F# there are no ...
3
votes
2answers
361 views
Using a Function to emulate F# Match in C#
So this was inspired by:
this question
But doesn't actually answer it:
What do you think of:
...
