same_simplex_dimension_surjection.hpp

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#pragma once
#include <array>
#include <vector>
#include <wmtk/Tuple.hpp>
 
namespace wmtk {
class Mesh;
}
 
namespace wmtk::multimesh {
 
// Handles the "trivial " mapping case as we see in OBJ files
// parent and child are assumed to be homogeneous meshes of the same dimension.
// the mapping selects a subset of parent_simplices
// the tuple parent.tuple_from_id(pt,parent_simplices[index]) should be mapped to
// child.tuple_from_id(pt,index)
std::vector<std::array<Tuple, 2>> same_simplex_dimension_surjection(
    const Mesh& parent,
    const Mesh& child,
    const std::vector<int64_t>& parent_simplices);
} // namespace wmtk::multimesh