Roots of a function: Difference between revisions

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→‎optimized function: changed comments and whitespace.
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This is a slightly optimized version of the   '''F'''   function.
<br><br>When doing thousands of evaluations, every little bit helps.
<lang rexx>/*──────────────────────────────────F function──────────────────────────function────────────────────────────────*/
f: procedure; parse arg x; x2=x*x; return x*x2 - 3*x2 + x+x</lang>
 
=={{header|RLaB}}==