This is documentation for Mathematica 7, which was
based on an earlier version of the Wolfram Language.
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Compiled

Compiled
is an option for various numerical and plotting functions which specifies whether the expressions they work with should automatically be compiled.
  • You should set Compiled->False if you need to use high-precision numbers.
On rare occasions, machine-number compilation may produce unexpected results:
Here, the optimization of treating machine underflow as zero affects the function:
Use Compiled->False to prevent this:
On rare occasions, machine-number compilation may produce unexpected results:
In[1]:=
Click for copyable input
Out[1]=
Here, the optimization of treating machine underflow as zero affects the function:
In[2]:=
Click for copyable input
Out[2]=
Use Compiled->False to prevent this:
In[3]:=
Click for copyable input
Out[3]=
In[4]:=
Click for copyable input
Out[4]=
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