Re: [Boost-users] Integer vs. Double values for link weights in Graph

Subject: Re: [Boost-users] Integer vs. Double values for link weights in Graph
From: Jens Buysse (jens.buysse_at_[hidden])
Date: 2011-07-20 03:26:28

Hello Jeremiah !

Indeed, I defined it using int and hence double were converted! Thanks a 
lot for the help!

Kind regards

Jen Buysse

Op 20/07/2011 2:52, Jeremiah Willcock schreef:
> On Tue, 19 Jul 2011, Jens Buysse wrote:
>
>> Dear all,
>>
>> I'm new to the BOOST library (and actually also to c++).
>>
>> I have the following problem: I want to use the dijkstra algorithm 
>> for computing shortest paths in a network. For this I calculate 
>> weights, which in my case take the form of double < 1. But it seems 
>> internally boost converts to an integer. Is there a way to use double 
>> without miltilplying it with e.g. 100 to get Integers?
>
> The code uses whichever data type your graph and property maps use to 
> store the edge lengths.  Does your distance map have a value type of 
> double?  That is what is used to determine the type used internally 
> for lengths and distances.
>
> -- Jeremiah Willcock
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-- 
Jens Buysse
Research Group Broadband Communication Networks (IBCN)
Department of Information Technology (INTEC), Ghent University/ IBBT
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