diff options
Diffstat (limited to 'Source/FieldSolver/FiniteDifferenceSolver/FiniteDifferenceAlgorithms/CartesianYeeAlgorithm.H')
-rw-r--r-- | Source/FieldSolver/FiniteDifferenceSolver/FiniteDifferenceAlgorithms/CartesianYeeAlgorithm.H | 49 |
1 files changed, 28 insertions, 21 deletions
diff --git a/Source/FieldSolver/FiniteDifferenceSolver/FiniteDifferenceAlgorithms/CartesianYeeAlgorithm.H b/Source/FieldSolver/FiniteDifferenceSolver/FiniteDifferenceAlgorithms/CartesianYeeAlgorithm.H index 268c5aa89..f1778a525 100644 --- a/Source/FieldSolver/FiniteDifferenceSolver/FiniteDifferenceAlgorithms/CartesianYeeAlgorithm.H +++ b/Source/FieldSolver/FiniteDifferenceSolver/FiniteDifferenceAlgorithms/CartesianYeeAlgorithm.H @@ -12,6 +12,8 @@ #include <AMReX_Array4.H> #include <AMReX_Gpu.H> +#include <array> + /** * This struct contains only static functions to initialize the stencil coefficients * and to compute finite-difference derivatives for the Cartesian Yee algorithm. @@ -24,17 +26,18 @@ struct CartesianYeeAlgorithm { amrex::Gpu::ManagedVector<amrex::Real>& stencil_coefs_y, amrex::Gpu::ManagedVector<amrex::Real>& stencil_coefs_z ) { + using namespace amrex; // Store the inverse cell size along each direction in the coefficients stencil_coefs_x.resize(1); - stencil_coefs_x[0] = 1./cell_size[0]; + stencil_coefs_x[0] = 1._rt/cell_size[0]; stencil_coefs_y.resize(1); - stencil_coefs_y[0] = 1./cell_size[1]; + stencil_coefs_y[0] = 1._rt/cell_size[1]; stencil_coefs_z.resize(1); - stencil_coefs_z[0] = 1./cell_size[2]; + stencil_coefs_z[0] = 1._rt/cell_size[2]; } /** - /* Perform derivative along x on a cell-centered grid, from a nodal field `F`*/ + * Perform derivative along x on a cell-centered grid, from a nodal field `F`*/ AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE static amrex::Real UpwardDx ( amrex::Array4<amrex::Real> const& F, @@ -46,7 +49,7 @@ struct CartesianYeeAlgorithm { }; /** - /* Perform derivative along x on a nodal grid, from a cell-centered field `F`*/ + * Perform derivative along x on a nodal grid, from a cell-centered field `F`*/ AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE static amrex::Real DownwardDx ( amrex::Array4<amrex::Real> const& F, @@ -58,66 +61,70 @@ struct CartesianYeeAlgorithm { }; /** - /* Perform derivative along y on a cell-centered grid, from a nodal field `F`*/ + * Perform derivative along y on a cell-centered grid, from a nodal field `F`*/ AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE static amrex::Real UpwardDy ( amrex::Array4<amrex::Real> const& F, amrex::Real const * const coefs_y, int const n_coefs_y, int const i, int const j, int const k ) { + using namespace amrex; #if defined WARPX_DIM_3D - amrex::Real const inv_dy = coefs_y[0]; - return inv_dy*( F(i,j+1,k) - F(i,j,k) ); + Real const inv_dy = coefs_y[0]; + return inv_dy*( F(i,j+1,k) - F(i,j,k) ); #elif (defined WARPX_DIM_XZ) - return 0; // 2D Cartesian: derivative along y is 0 + return 0._rt; // 2D Cartesian: derivative along y is 0 #endif }; /** - /* Perform derivative along y on a nodal grid, from a cell-centered field `F`*/ + * Perform derivative along y on a nodal grid, from a cell-centered field `F`*/ AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE static amrex::Real DownwardDy ( amrex::Array4<amrex::Real> const& F, amrex::Real const * const coefs_y, int const n_coefs_y, int const i, int const j, int const k ) { + using namespace amrex; #if defined WARPX_DIM_3D - amrex::Real const inv_dy = coefs_y[0]; - return inv_dy*( F(i,j,k) - F(i,j-1,k) ); + Real const inv_dy = coefs_y[0]; + return inv_dy*( F(i,j,k) - F(i,j-1,k) ); #elif (defined WARPX_DIM_XZ) - return 0; // 2D Cartesian: derivative along y is 0 + return 0._rt; // 2D Cartesian: derivative along y is 0 #endif }; /** - /* Perform derivative along z on a cell-centered grid, from a nodal field `F`*/ + * Perform derivative along z on a cell-centered grid, from a nodal field `F`*/ AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE static amrex::Real UpwardDz ( amrex::Array4<amrex::Real> const& F, amrex::Real const * const coefs_z, int const n_coefs_z, int const i, int const j, int const k ) { - amrex::Real const inv_dz = coefs_z[0]; + using namespace amrex; + Real const inv_dz = coefs_z[0]; #if defined WARPX_DIM_3D - return inv_dz*( F(i,j,k+1) - F(i,j,k) ); + return inv_dz*( F(i,j,k+1) - F(i,j,k) ); #elif (defined WARPX_DIM_XZ) - return inv_dz*( F(i,j+1,k) - F(i,j,k) ); + return inv_dz*( F(i,j+1,k) - F(i,j,k) ); #endif }; /** - /* Perform derivative along z on a nodal grid, from a cell-centered field `F`*/ + * Perform derivative along z on a nodal grid, from a cell-centered field `F`*/ AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE static amrex::Real DownwardDz ( amrex::Array4<amrex::Real> const& F, amrex::Real const * const coefs_z, int const n_coefs_z, int const i, int const j, int const k ) { - amrex::Real const inv_dz = coefs_z[0]; + using namespace amrex; + Real const inv_dz = coefs_z[0]; #if defined WARPX_DIM_3D - return inv_dz*( F(i,j,k) - F(i,j,k-1) ); + return inv_dz*( F(i,j,k) - F(i,j,k-1) ); #elif (defined WARPX_DIM_XZ) - return inv_dz*( F(i,j,k) - F(i,j-1,k) ); + return inv_dz*( F(i,j,k) - F(i,j-1,k) ); #endif }; |