[Maxima-bugs] [maxima:bugs] #4756 expand(sin(%e^x)), numer incorrectly replaces %e with numerical value

[David S. <tom...@us...>]

- Description has changed:

Diff:

~~~~

--- old
+++ new
@@ -9,7 +9,7 @@
 
 /* Wrong, %e in base with symbolic exponent
    should only be replaced by numerical value
-      when %enumer is true: */
+    when %enumer is true: */
 (%i3) expand(sin(%e^x)), numer;
 (%o3) sin(2.718281828459045^x)
 ~~~

~~~~




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**[bugs:#4756] expand\(sin\(%e^x\)\), numer incorrectly replaces %e with numerical value**

**Status:** open
**Group:** None
**Labels:** %enumer numer simplification 
**Created:** Sat Jun 06, 2026 06:16 AM UTC by David Scherfgen
**Last Updated:** Sat Jun 06, 2026 06:16 AM UTC
**Owner:** nobody


~~~
/* OK: */
(%i1) %e^x, numer;
(%o1) %e^x

/* Also OK: */
(%i2) sin(%e^x), numer;
(%o2) sin(%e^x)

/* Wrong, %e in base with symbolic exponent
   should only be replaced by numerical value
    when %enumer is true: */
(%i3) expand(sin(%e^x)), numer;
(%o3) sin(2.718281828459045^x)
~~~

This is caused by `simpcheck` setting `%enumer` to `$numer`, which always seemed odd to me.


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