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author | Miao Wang <miaowang@google.com> | 2015-07-13 15:04:03 -0700 |
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committer | Miao Wang <miaowang@google.com> | 2015-07-13 15:04:03 -0700 |
commit | a829215e078ace896f52702caa0c27608f40e3b0 (patch) | |
tree | c87d2e609c3a6fa592d4c4fa911e0642aecae8e2 /test/product_extra.cpp | |
parent | ee980c2801ec7c567cf3eef828874102a6083a9a (diff) | |
download | eigen-a829215e078ace896f52702caa0c27608f40e3b0.tar.gz |
Rebase Eigen to 3.2.5 (latest stable release)
Change-Id: Ib67c5a41748fe13c7824dbb78dd11e2cce08bc1b
Diffstat (limited to 'test/product_extra.cpp')
-rw-r--r-- | test/product_extra.cpp | 64 |
1 files changed, 62 insertions, 2 deletions
diff --git a/test/product_extra.cpp b/test/product_extra.cpp index 744a1ef7f..ea2486937 100644 --- a/test/product_extra.cpp +++ b/test/product_extra.cpp @@ -109,8 +109,67 @@ void mat_mat_scalar_scalar_product() double det = 6.0, wt = 0.5; VERIFY_IS_APPROX(dNdxy.transpose()*dNdxy*det*wt, det*wt*dNdxy.transpose()*dNdxy); } + +template <typename MatrixType> +void zero_sized_objects(const MatrixType& m) +{ + typedef typename MatrixType::Scalar Scalar; + const int PacketSize = internal::packet_traits<Scalar>::size; + const int PacketSize1 = PacketSize>1 ? PacketSize-1 : 1; + DenseIndex rows = m.rows(); + DenseIndex cols = m.cols(); + + { + MatrixType res, a(rows,0), b(0,cols); + VERIFY_IS_APPROX( (res=a*b), MatrixType::Zero(rows,cols) ); + VERIFY_IS_APPROX( (res=a*a.transpose()), MatrixType::Zero(rows,rows) ); + VERIFY_IS_APPROX( (res=b.transpose()*b), MatrixType::Zero(cols,cols) ); + VERIFY_IS_APPROX( (res=b.transpose()*a.transpose()), MatrixType::Zero(cols,rows) ); + } + + { + MatrixType res, a(rows,cols), b(cols,0); + res = a*b; + VERIFY(res.rows()==rows && res.cols()==0); + b.resize(0,rows); + res = b*a; + VERIFY(res.rows()==0 && res.cols()==cols); + } + + { + Matrix<Scalar,PacketSize,0> a; + Matrix<Scalar,0,1> b; + Matrix<Scalar,PacketSize,1> res; + VERIFY_IS_APPROX( (res=a*b), MatrixType::Zero(PacketSize,1) ); + VERIFY_IS_APPROX( (res=a.lazyProduct(b)), MatrixType::Zero(PacketSize,1) ); + } + + { + Matrix<Scalar,PacketSize1,0> a; + Matrix<Scalar,0,1> b; + Matrix<Scalar,PacketSize1,1> res; + VERIFY_IS_APPROX( (res=a*b), MatrixType::Zero(PacketSize1,1) ); + VERIFY_IS_APPROX( (res=a.lazyProduct(b)), MatrixType::Zero(PacketSize1,1) ); + } -void zero_sized_objects() + { + Matrix<Scalar,PacketSize,Dynamic> a(PacketSize,0); + Matrix<Scalar,Dynamic,1> b(0,1); + Matrix<Scalar,PacketSize,1> res; + VERIFY_IS_APPROX( (res=a*b), MatrixType::Zero(PacketSize,1) ); + VERIFY_IS_APPROX( (res=a.lazyProduct(b)), MatrixType::Zero(PacketSize,1) ); + } + + { + Matrix<Scalar,PacketSize1,Dynamic> a(PacketSize1,0); + Matrix<Scalar,Dynamic,1> b(0,1); + Matrix<Scalar,PacketSize1,1> res; + VERIFY_IS_APPROX( (res=a*b), MatrixType::Zero(PacketSize1,1) ); + VERIFY_IS_APPROX( (res=a.lazyProduct(b)), MatrixType::Zero(PacketSize1,1) ); + } +} + +void bug_127() { // Bug 127 // @@ -171,7 +230,8 @@ void test_product_extra() CALL_SUBTEST_2( mat_mat_scalar_scalar_product() ); CALL_SUBTEST_3( product_extra(MatrixXcf(internal::random<int>(1,EIGEN_TEST_MAX_SIZE/2), internal::random<int>(1,EIGEN_TEST_MAX_SIZE/2))) ); CALL_SUBTEST_4( product_extra(MatrixXcd(internal::random<int>(1,EIGEN_TEST_MAX_SIZE/2), internal::random<int>(1,EIGEN_TEST_MAX_SIZE/2))) ); + CALL_SUBTEST_1( zero_sized_objects(MatrixXf(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) ); } - CALL_SUBTEST_5( zero_sized_objects() ); + CALL_SUBTEST_5( bug_127() ); CALL_SUBTEST_6( unaligned_objects() ); } |