> For exact exponsnts it should give 1.
One more fix for ^(DFLOAT, FRAC INT) :
diff --git a/src/algebra/sf.spad b/src/algebra/sf.spad
index 28af4bb..b7e5cf3 100644
--- a/src/algebra/sf.spad
+++ b/src/algebra/sf.spad
@@ -613,7 +613,7 @@
x : % ^ r : Fraction Integer ==
zero? x =>
- zero? r => error "0^0 is undefined"
+ zero? r => 1
negative? r => error "division by 0"
0
-- zero? r or one? x => 1
--
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