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view default_arg.m @ 1153:635386c073b9 feature/rv

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Fix bug in Burgers schemes resulting in incorrect wave speed.
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Tue, 05 Mar 2019 10:57:26 +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