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Question by mouhammadbatarni · Aug 08, 2018 at 08:59 AM · c#unity 5unity 2ddoublesquare root

How do I get the square root of a double number value?

i am using big numbers, so I use a double variable, and mathf.sqrt does not work with doubles, is there another way?

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Answer by Captain_Pineapple · Aug 08, 2018 at 09:10 AM

Hey there,

the Mathf.sqrt function is for floats as the Mathf indicates.

Using Math.Sqrt should work for doubles. In case that is not naturally in your script then append a using System; or just write System.Math.Sqrt();

hope this helps! Here is the link for the msdn reference.

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avatar image mouhammadbatarni · Aug 08, 2018 at 11:29 AM 0
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thank you so much.

avatar image Bunny83 · Aug 08, 2018 at 12:12 PM 0
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Note that Unity's $$anonymous$$athf class is mostly a wrapper of the default .NET System.$$anonymous$$ath class with additional casting. See the Sqrt implementation. This is mainly for convenience since our main data type is float

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Answer by Legend_Bacon · Aug 08, 2018 at 09:07 AM

Hello there,


This thread might prove a good read for you.

Basically, use Math.Sqrt instead!


Hope that helps!

Cheers,

~LegendBacon

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avatar image Captain_Pineapple · Aug 08, 2018 at 09:11 AM 0
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Damn you bacon for beeing faster than me

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