quda::spin_mapper< fineSpin, coarseSpin > Struct Template Reference

Public Member Functions
__device__ __host__ constexpr int	operator() (int s, int parity) const

Static Public Attributes
static constexpr int	spin_block_size = (fineSpin == 1 && coarseSpin == 2) ? 0 : fineSpin / coarseSpin

Detailed Description

template<int fineSpin, int coarseSpin>
struct quda::spin_mapper< fineSpin, coarseSpin >

Helper struct for dealing with spin coarsening. This helper should work with all types of fermions.

Definition at line 10 of file multigrid_helper.cuh.

Member Function Documentation

operator()()

template<int fineSpin, int coarseSpin>

__device__ __host__ constexpr int quda::spin_mapper< fineSpin, coarseSpin >::operator() ( int  s, int  parity  ) const

inline

Return the coarse spin coordinate from the fine spin coordinate

Parameters

s	Fine spin coordinate
parity	fine parity, for staggered

Returns

Coarse spin coordinate

Definition at line 20 of file multigrid_helper.cuh.

References parity, and quda::spin_mapper< fineSpin, coarseSpin >::spin_block_size.

Member Data Documentation

spin_block_size

template<int fineSpin, int coarseSpin>

constexpr int quda::spin_mapper< fineSpin, coarseSpin >::spin_block_size = (fineSpin == 1 && coarseSpin == 2) ? 0 : fineSpin / coarseSpin

static

Definition at line 12 of file multigrid_helper.cuh.

Referenced by quda::spin_mapper< fineSpin, coarseSpin >::operator()().

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The documentation for this struct was generated from the following file:

• include/multigrid_helper.cuh