Re: [boost] [Boost-users] [Review] ITL review starts today, February 18th

Subject: Re: [boost] [Boost-users] [Review] ITL review starts today, February 18th
From: Joachim Faulhaber (afojgo_at_[hidden])
Date: 2010-03-05 07:39:49

2010/3/4 Steven Watanabe <watanabesj_at_[hidden]>:
> AMDG
>
> Joachim Faulhaber wrote:
>>
>> Well, I've looked at my code. It looks correct. The problem seems to be,
>> that
>> numeric_limits< interval<double >::size_type >::infinity()
>> maps infinity() to 0.
>>
>> if(numeric_limits< std::size_t >::infinity()==0)
>>   cout << "infinity()==0";
>>
>> Sine the test code, that I have done for that only checks for that value
>> numeric_limits< interval<double >::size_type >::infinity() against
>> cardinality(),
>> I didn't detect the problem.
>>
>> Is there a standard way to deal with this kind of problem?
>>
>
> Check numeric_limits<...>::has_infinity?
>
> 18.2.1.2:
> "static T infinity() throw();
> Representation of positive infinity, if available.
> Meaningful for all specializations for which has_infinity != false. Required
> in specializations
> for which is_iec559 != false."

Thank you, Steven :)

Joachim.