Changes

<includeonly>{{{{{|safesubst:}}}#ifexpr:{{{Ordomag/sum1|0}}}=0 |{{{{{|safesubst:}}}#ifexpr:abs{{{1|0}}}<1=1 |0 |{{{{{|-safesubst:}}}#expr:floor((ln(abs{{{1}}}1)/ln10)+1)}} }} |{{#expr:floor((ln(abs({{{1|0}}}) )/ln 10)+1E((abs{{{1|0}}}>1E100 or abs{{{21|0}}}<1E-100)-14))}}}}</includeonly><noinclude>{{documentation}}</noinclude>