template <class CMap, class InputIterator>
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bool
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is_insertable_cell_2_in_cell_3 ( CMap cm, InputIterator afirst, InputIterator alast)
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Returns true iff it is possible to insert a 2-cell in cm along the path
of darts given by the range [afirst,alast). The 2-cell can be inserted
iff each couple of consecutive darts of the path a1 and a2 belong to the
same vertex and the same volume, and if the path is closed.
Precondition: | CMap::dimension≥3. |
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