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-rw-r--r--libraries/LDL/README3
1 files changed, 3 insertions, 0 deletions
diff --git a/libraries/LDL/README b/libraries/LDL/README
index 0b16f8d1d3..b3628fc188 100644
--- a/libraries/LDL/README
+++ b/libraries/LDL/README
@@ -6,3 +6,6 @@ including an elegant new method of sparse symmetric factorization that
computes the factorization row-by-row but stores it column-by-column.
This package is part of SuiteSparse.
+
+AMD is an optional dependency and will be used if found.
+It is primarily used for this package's test suite.