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view default_arg.m @ 1038:8537fdd6830a feature/burgers1d

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Use opSets in Burgers1d. Note. Also changed from viscid formulation to inviscid formulation. Might be changed back later.
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Fri, 18 Jan 2019 09:04:38 +0100
parents 48b6fb693025
children
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function default_arg(s, val)
    if evalin('caller',sprintf('~exist(''%s'',''var'') || isempty(%s)',s,s))
        assignin('caller',s,val)
    end
end