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-rw-r--r--test/product.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/test/product.h b/test/product.h
index 0425a929e..d26e8063d 100644
--- a/test/product.h
+++ b/test/product.h
@@ -111,6 +111,17 @@ template<typename MatrixType> void product(const MatrixType& m)
vcres.noalias() -= m1.transpose() * v1;
VERIFY_IS_APPROX(vcres, vc2 - m1.transpose() * v1);
+ // test scaled products
+ res = square;
+ res.noalias() = s1 * m1 * m2.transpose();
+ VERIFY_IS_APPROX(res, ((s1*m1).eval() * m2.transpose()));
+ res = square;
+ res.noalias() += s1 * m1 * m2.transpose();
+ VERIFY_IS_APPROX(res, square + ((s1*m1).eval() * m2.transpose()));
+ res = square;
+ res.noalias() -= s1 * m1 * m2.transpose();
+ VERIFY_IS_APPROX(res, square - ((s1*m1).eval() * m2.transpose()));
+
// test d ?= a+b*c rules
res.noalias() = square + m1 * m2.transpose();
VERIFY_IS_APPROX(res, square + m1 * m2.transpose());