CGAL users discussion list

["Jianfei Liu" <>]

Thanks, what should I do for general floats?

----- Original Message ----- 
From: "Stefan Schirra" 
<>
To: 
<>
Sent: Thursday, June 03, 2010 4:41 PM
Subject: Re: [cgal-discuss] Gmpz constructed from non-integer double value


> Jianfei Liu wrote:
>> I am reading a simple .off file and traslate it from polyhedron to Nef 
>> polyhedron, but failed with an error:Gmpz constructed from non-integer 
>> double value.
> 
> The error message says it all: 0.256 is not an integer, whereas Gmpz is an 
> integer-type. You cannot convert arbitrary floats to this type. Only floats 
> representing integral values can be converted.
> 
>> I noticed somebody says it is a bug for older CGAL, however it seems still 
>> existing for the newest version 3.6.
>> OFF
>> 4 4 0
>> 
>> 0 0 0.256
>> 1 0 0
>> 0 1 0
>> 0 0 1
>> 
>> 3 0 2 1
>> 3 0 1 3 
>> 3 0 3 2
>> 3 1 2 3
>> 
>> The problem is caused by 0.256 in the above file. 
> 
> Multiply your coordinates by 1000 ;-)
> 
> 
> 
> -- Stefan
> 
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