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Add aliasing unit tests

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This commit is contained in:
Gael Guennebaud
2016-01-08 22:36:23 +01:00
parent 2ee4b8e945
commit c47fb1f35f
3 changed files with 50 additions and 3 deletions
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23
test/product_large.cpp
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@@ -9,6 +9,27 @@
#include "product.h"
template<typename T>
void test_aliasing()
{
int rows = internal::random<int>(1,12);
int cols = internal::random<int>(1,12);
typedef Matrix<T,Dynamic,Dynamic> MatrixType;
typedef Matrix<T,Dynamic,1> VectorType;
VectorType x(cols); x.setRandom();
VectorType z(x);
VectorType y(rows); y.setZero();
MatrixType A(rows,cols); A.setRandom();
// CwiseBinaryOp
VERIFY_IS_APPROX(x = y + A*x, A*z);
x = z;
// CwiseUnaryOp
VERIFY_IS_APPROX(x = T(1.)*(A*x), A*z);
x = z;
VERIFY_IS_APPROX(x = y+(-(A*x)), -A*z);
x = z;
}
void test_product_large()
{
for(int i = 0; i < g_repeat; i++) {
@@ -17,6 +38,8 @@ void test_product_large()
CALL_SUBTEST_3( product(MatrixXi(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) );
CALL_SUBTEST_4( product(MatrixXcf(internal::random<int>(1,EIGEN_TEST_MAX_SIZE/2), internal::random<int>(1,EIGEN_TEST_MAX_SIZE/2))) );
CALL_SUBTEST_5( product(Matrix<float,Dynamic,Dynamic,RowMajor>(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) );
CALL_SUBTEST_1( test_aliasing<float>() );
}
#if defined EIGEN_TEST_PART_6