% output=pdftex

\loadmapfile[original-ams-euler.map]
\usetypescriptfile[type-tst]
\usetypescript[MyFnt]
\switchtobodyfont[MyFnt,11.6pt]

\def\mfunction#1%
    {\mathchoice
        {\hbox{\rm \tf #1}}
        {\hbox{\rm \tf #1}}
        {\hbox{\rm \tfx #1}}
        {\hbox{\rm \tfxx #1}}}

\starttext
   The complexity $O(n^{n\log{n}})$ is nothing compared with the time spend on resolving font issues.  
\stoptext

