DEC: Discrete Exterior Calculus

This new package adds discrete exterior calculus features to DGtal. It contains:
 
   - new `dec` packages (dec operators, test files, examples, documentation)
   - new `linalg` with linear algebra concepts and backends (Eigen at this point) 

As you would see, this PR, mostly managed by @elcerdo,  is quite huge and some documentation pages are still "work-in-progress". I send a PR just to start including this great package into DGtal and to clean things up thanks to your comments.
Le 10/07/2014 15:00, Pierre Gueth a écrit :
> In src/DGtal/dec/KForm.h:
> 
>> +    typedef typename Calculus::DenseVector Container;
>> +    typedef typename Calculus::Scalar Scalar;
>> +
>> +    /**
>> +     * Constructor.
>> +     * @param calculus the discrete exterior calculus to use.
>> +     */
>> +    KForm(ConstAlias<Calculus> calculus);
>> +
>> +    /**
>> +     * Constructor.
>> +     * @param calculus the discrete exterior calculus to use.
>> +     * @param container the container to copy.
>> +     */
>> +    KForm(ConstAlias<Calculus> calculus, const Container& container);
>> +
> 
> container is already cloned internally.
So why not specifying Clone<Container> ?

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