clawpack/riemann — pull request #32 by gradylemoine (2013-07-24 16:56:59+00:00)
Title: 3D from claw4.3

Adding Riemann solvers for Burgers' equation and variable-coefficient advection, rewritten in clean F90 style (implicit none, argument intents). Burgers' solver still has a common block; this is probably unavoidable.