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Add unit test for CoeffReadCost

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This commit is contained in:
Gael Guennebaud 2015-10-09 14:28:48 +02:00
parent 321cb56bf6
commit 78b8c344b5
1 changed files with 15 additions and 2 deletions
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15
test/evaluators.cpp
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@ -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);
}
}