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bug fix in gemv:

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solution always use a temporary in dst.innerStride != 1
even though this is not needed when packet_size == 1....
This commit is contained in:
Gael Guennebaud
2010-06-24 17:51:25 +02:00
parent 7e836ccb4c
commit b22fc6cdc3
3 changed files with 8 additions and 4 deletions
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5
test/product.h
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@@ -45,7 +45,7 @@ template<typename MatrixType> void product(const MatrixType& m)
typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, MatrixType::RowsAtCompileTime> RowSquareMatrixType;
typedef Matrix<Scalar, MatrixType::ColsAtCompileTime, MatrixType::ColsAtCompileTime> ColSquareMatrixType;
typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, MatrixType::ColsAtCompileTime,
MatrixType::Flags&RowMajorBit> OtherMajorMatrixType;
MatrixType::Flags&RowMajorBit?ColMajor:RowMajor> OtherMajorMatrixType;
Index rows = m.rows();
Index cols = m.cols();
@@ -152,6 +152,9 @@ template<typename MatrixType> void product(const MatrixType& m)
VERIFY(areNotApprox(res2,square2 + m2.transpose() * m1));
}
VERIFY_IS_APPROX(res.col(r).noalias() = square.adjoint() * square.col(r), (square.adjoint() * square.col(r)).eval());
VERIFY_IS_APPROX(res.col(r).noalias() = square * square.col(r), (square * square.col(r)).eval());
// inner product
Scalar x = square2.row(c) * square2.col(c2);
VERIFY_IS_APPROX(x, square2.row(c).transpose().cwiseProduct(square2.col(c2)).sum());