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#ifndef OPERATORS_HH
#define OPERATORS_HH
// Transport (i.e., prolongation and restriction) operator types
enum operator_type
{
op_error, // illegal operator type
op_none, // do not transport
op_sync, // transport only on the same level
// (error if called between levels)
op_restrict, // restrict only, do not prolongate
op_copy, // use simple copying for prolongation
// (needs only one time level)
op_Lagrange, // Lagrange interpolation (standard)
op_ENO, // use ENO stencils (for hydro)
op_ENOVOL, // use ENO stencils, conserving mass (for hydro)
op_WENO, // use WENO stencils (for hydro)
op_TVD, // use TVD stencils (for hydro)
op_Lagrange_monotone // monotone Lagrange interpolation (for hydro)
};
#endif // OPERATORS_HH
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