test: added another missing test.

PolyMathOrg · Jan 6, 2024 · 42d0fa0 · 42d0fa0
1 parent d557e73
commit 42d0fa0
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/src/Math-Tests-Complex/PMComplexNumberTest.class.st b/src/Math-Tests-Complex/PMComplexNumberTest.class.st
@@ -637,6 +637,16 @@ PMComplexNumberTest >> testRaisedTo [
 	self assert: c3 imaginary closeTo: c imaginary
 ]
 
+{ #category : #'testing - mathematical functions' }
+PMComplexNumberTest >> testRaisedToFractionalIndex [
+
+	| z expected |
+	z := 1 / 2 + (3 sqrt / 2) i.
+	"Here, we appeal to de Moivre's theorem to compute the expected answer"
+	expected := 3 sqrt / 2 + (1 / 2) i.
+	self assert: (z raisedTo: 1 / 2) equals: expected
+]
+
 { #category : #'testing - mathematical functions' }
 PMComplexNumberTest >> testRaisedToInteger [