Mercurial > repos > public > sbplib

view default_arg.m @ 643:62147d8ce062 feature/d1_staggered

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add staggered-upwind operators by Ken and Ossian.
author Martin Almquist <malmquist@stanford.edu>
date Mon, 13 Nov 2017 11:49:08 -0800
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