devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

bug #986: add support for coefficient-based product with 0 depth.

Browse Source
This commit is contained in:
Gael Guennebaud
2015-04-01 13:15:23 +02:00
parent 79b4e6acaf
commit 8481dc21ea
2 changed files with 64 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
test/product_extra.cpp
View File

@@ -113,6 +113,9 @@ void mat_mat_scalar_scalar_product()
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;
Index rows = m.rows();
Index cols = m.cols();
@@ -132,6 +135,38 @@ void zero_sized_objects(const MatrixType& m)
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) );
}
{
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) );
}
}
template<int>