Add unit tests for LU decomposition of empty real/complex matrices

Macaulay2 · May 15, 2024 · 83fa08e · 83fa08e
1 parent 2d9afc3
commit 83fa08e
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/M2/Macaulay2/tests/normal/LU.m2 b/M2/Macaulay2/tests/normal/LU.m2
@@ -83,3 +83,9 @@ M == L*U
 L*U
 M
 M == checkLU LUdecomposition M
+
+-- empty matrix (reported by Joel Louwsma in Zulip)
+scan({map(RR^0, RR^0, {}), map(CC^0, CC^0, {})}, M -> (
+	checkLU M;
+	assert Equation(rank M, 0);
+	assert Equation(det M, 1)))