search relaxation constant
throw excessive logic out of main.c
add some const modifiers
more const modifiers
fix output order
fix output presentation and stack overflow during export
prevent unwanted division by zero
Add missing semicolon to fix FTBFS
register variables tend to speed things up by factor ~~1.3
Merge branch 'search-relaxation-constant' of https://github.com/tenpercent/navier-stokes into search-relaxation-constant
MOAR\!
Revert some changes that are not wanted in master

- 400 steps instead of 1000
- Remove omega select cycle
New alternative information output
Set default relaxation constant value to 1

This was proven to be the fastest one on my machine.
Merge heads