steger_warming_split_both Subroutine

private pure subroutine steger_warming_split_both(q, fp, fm, gam)

Fused Steger-Warming flux splitting: returns F^+ and F^- in one call.

Extracts primitives and eigenvalues once; computes both positive and negative split eigenvalues λᵢ± in a single pass.

Arguments

Type	Intent	Optional	Attributes		Name
real(kind=wp),	intent(in)			::	q(:)
real(kind=wp),	intent(out)			::	fp(:)
real(kind=wp),	intent(out)			::	fm(:)
real(kind=wp),	intent(in)			::	gam	Ratio of specific heats.