Subdivision for IndSimpSet

Functions
void	geom::IndSimpSet::subdivide (const IndSimpSet< N, 1, A, T, V, IS > &in, IndSimpSet< N, 1, true, T, V, IS > *out)
	Subdivide by splitting each simplex in half.
void	geom::IndSimpSet::subdivide (const IndSimpSetIncAdj< N, 2, A, T, V, IS > &in, IndSimpSet< N, 2, true, T, V, IS > *out)
	Subdivide by splitting each simplex into four similar simplices.

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