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Re: distance between two objects c++ [message #432408 is a reply to message #432316]

Fri, 09 July 2010 02:01

saberhawk
Messages: 1068
Registered: January 2006
Location: ::1

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General (1 Star)

Also, a rather useful optimization when you don't need the exact length (like if you are comparing distances) is to use the squared length instead of the actual length. By doing so you can avoid the square root operation which is rather expensive.

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[Message index]

		distance between two objects c++ By: reborn on Thu, 08 July 2010 04:37
		Re: distance between two objects c++ By: Ephphatha on Thu, 08 July 2010 07:41
		Re: distance between two objects c++ By: T0tNl on Thu, 08 July 2010 09:07
		Re: distance between two objects c++ By: reborn on Thu, 08 July 2010 09:10
		Re: distance between two objects c++ By: renalpha on Thu, 08 July 2010 09:26
		Re: distance between two objects c++ By: T0tNl on Thu, 08 July 2010 09:50
		Re: distance between two objects c++ By: Sladewill on Thu, 08 July 2010 09:53
		Re: distance between two objects c++ By: T0tNl on Thu, 08 July 2010 09:56
		Re: distance between two objects c++ By: Tupolev TU-95 Bear on Thu, 08 July 2010 10:00
		Re: distance between two objects c++ By: T0tNl on Thu, 08 July 2010 10:05
		Re: distance between two objects c++ By: saberhawk on Thu, 08 July 2010 11:38
		Re: distance between two objects c++ By: Hypnos on Thu, 08 July 2010 17:44
		Re: distance between two objects c++ By: CarrierII on Thu, 08 July 2010 22:26
		Re: distance between two objects c++ By: cAmpa on Fri, 09 July 2010 00:07
		Re: distance between two objects c++ By: saberhawk on Fri, 09 July 2010 02:01
		Re: distance between two objects c++ By: danpaul88 on Fri, 09 July 2010 02:16
		Re: distance between two objects c++ By: Goztow on Fri, 09 July 2010 12:29
		Re: distance between two objects c++ By: Sladewill on Fri, 09 July 2010 14:07
		Re: distance between two objects c++ By: Omar007 on Fri, 09 July 2010 15:50

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