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The numflux Subroutine

The numflux subroutine calculates the numerical fluxes along a 1D-Slice

Input Parameters

• n: Refers to the direction of the current slice
• indx: contains the indices for the slice in the n-direction
• extlow: contains the lower index in the n-direction
• exthigh: contains the upper index in the n-direction
• Info%q: contains the conserved quantities in the grid

Output Parameters

• Info%numfql: stores the left fluxes along a 1D-Slice.
• Info%numfqr: stores the right fluxes along a 1D-Slice. (equals numfql shifted by 1)