1 files changed, 4 insertions, 1 deletions

diff --git a/packages/tests/src/Numeric/LinearAlgebra/Tests/Instances.hs b/packages/tests/src/Numeric/LinearAlgebra/Tests/Instances.hs
index 904ae05..7c54535 100644
--- a/packages/tests/src/Numeric/LinearAlgebra/Tests/Instances.hs
+++ b/packages/tests/src/Numeric/LinearAlgebra/Tests/Instances.hs
@@ -16,7 +16,7 @@ module Numeric.LinearAlgebra.Tests.Instances(
     Rot(..),    rRot,cRot,
     Her(..),    rHer,cHer,
     WC(..),     rWC,cWC,
-    SqWC(..),   rSqWC, cSqWC,
+    SqWC(..),   rSqWC, cSqWC, rSymWC, cSymWC,
     PosDef(..), rPosDef, cPosDef,
     Consistent(..), rConsist, cConsist,
     RM,CM, rM,cM,
@@ -176,6 +176,9 @@ cWC (WC m) = m :: CM
 rSqWC (SqWC m) = m :: RM
 cSqWC (SqWC m) = m :: CM
 
+rSymWC (SqWC m) = m + tr m :: RM
+cSymWC (SqWC m) = m + tr m :: CM
+
 rPosDef (PosDef m) = m :: RM
 cPosDef (PosDef m) = m :: CM