diff options
Diffstat (limited to 'test/evaluators.cpp')
| -rw-r--r-- | test/evaluators.cpp | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/test/evaluators.cpp b/test/evaluators.cpp index 12dc1ffef..876dffe22 100644 --- a/test/evaluators.cpp +++ b/test/evaluators.cpp @@ -94,6 +94,7 @@ namespace Eigen { } +template<typename XprType> long get_cost(const XprType& ) { return Eigen::internal::evaluator<XprType>::CoeffReadCost; } using namespace std; @@ -470,7 +471,6 @@ void test_evaluators() VERIFY_IS_APPROX_EVALUATOR2(B, prod(A.triangularView<Upper>(),A), MatrixXd(A.triangularView<Upper>()*A)); VERIFY_IS_APPROX_EVALUATOR2(B, prod(A.selfadjointView<Upper>(),A), MatrixXd(A.selfadjointView<Upper>()*A)); - } { @@ -481,6 +481,19 @@ void test_evaluators() VERIFY_IS_APPROX_EVALUATOR2(B, lazyprod(d.asDiagonal(),A), MatrixXd(d.asDiagonal()*A)); VERIFY_IS_APPROX_EVALUATOR2(B, lazyprod(A,d.asDiagonal()), MatrixXd(A*d.asDiagonal())); - + } + + { + // test CoeffReadCost + Matrix4d a, b; + VERIFY_IS_EQUAL( get_cost(a), 1 ); + VERIFY_IS_EQUAL( get_cost(a+b), 3); + VERIFY_IS_EQUAL( get_cost(2*a+b), 4); + VERIFY_IS_EQUAL( get_cost(a*b), 1); + VERIFY_IS_EQUAL( get_cost(a.lazyProduct(b)), 15); + VERIFY_IS_EQUAL( get_cost(a*(a*b)), 1); + VERIFY_IS_EQUAL( get_cost(a.lazyProduct(a*b)), 15); + VERIFY_IS_EQUAL( get_cost(a*(a+b)), 1); + VERIFY_IS_EQUAL( get_cost(a.lazyProduct(a+b)), 15); } } |