x1-array was accidentally used in place of x2-array, but indexed with j. As cell widths only affect relativity for timestep purposes, and as most simulations use horizon-penetrating coordinates, this had little effect except when non-square MeshBlocks would cause crashes.
x1-array was accidentally used in place of x2-array, but indexed with j. As cell widths only affect relativity for timestep purposes, and as most simulations use horizon-penetrating coordinates, this had little effect except when non-square MeshBlocks would cause crashes.
Fixes #613