view default_arg.m @ 605:0f9d20dbb7ce feature/utux2D

Add centered interface coupling in addition to upwind
author Martin Almquist <malmquist@stanford.edu>
date Thu, 05 Oct 2017 20:21:20 -0700
parents 48b6fb693025
children
line wrap: on
line source

function default_arg(s, val)
    if evalin('caller',sprintf('~exist(''%s'',''var'') || isempty(%s)',s,s))
        assignin('caller',s,val)
    end
end