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bug #1260: remove doubtful specializations of ScalarBinaryOpTraits

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This commit is contained in:
Gael Guennebaud 2016-07-27 14:35:52 +02:00
parent d3d7c6245d
commit 0d7039319c
2 changed files with 4 additions and 16 deletions
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16
unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h
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@ -497,31 +497,15 @@ struct make_coherent_impl<Matrix<A_Scalar, A_Rows, A_Cols, A_Options, A_MaxRows,
} // end namespace internal
template<typename A_Scalar, int A_Rows, int A_Cols, int A_Options, int A_MaxRows, int A_MaxCols, typename BinOp>
struct ScalarBinaryOpTraits<Matrix<A_Scalar, A_Rows, A_Cols, A_Options, A_MaxRows, A_MaxCols>,A_Scalar,BinOp>
{
enum { Defined = 1 };
typedef Matrix<A_Scalar, A_Rows, A_Cols, A_Options, A_MaxRows, A_MaxCols> ReturnType;
};
template<typename A_Scalar, int A_Rows, int A_Cols, int A_Options, int A_MaxRows, int A_MaxCols, typename BinOp>
struct ScalarBinaryOpTraits<A_Scalar, Matrix<A_Scalar, A_Rows, A_Cols, A_Options, A_MaxRows, A_MaxCols>, BinOp>
{
enum { Defined = 1 };
typedef Matrix<A_Scalar, A_Rows, A_Cols, A_Options, A_MaxRows, A_MaxCols> ReturnType;
};
template<typename DerType, typename BinOp>
struct ScalarBinaryOpTraits<AutoDiffScalar<DerType>,typename DerType::Scalar,BinOp>
{
enum { Defined = 1 };
typedef AutoDiffScalar<DerType> ReturnType;
};
template<typename DerType, typename BinOp>
struct ScalarBinaryOpTraits<typename DerType::Scalar,AutoDiffScalar<DerType>, BinOp>
{
enum { Defined = 1 };
typedef AutoDiffScalar<DerType> ReturnType;
};

4
unsupported/test/autodiff.cpp
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@ -205,6 +205,10 @@ void test_autodiff_hessian()
VERIFY_IS_APPROX(y.value().derivatives()(1), s4*std::cos(s1*s3+s2*s4));
VERIFY_IS_APPROX(y.derivatives()(0).derivatives(), -std::sin(s1*s3+s2*s4)*Vector2d(s3*s3,s4*s3));
VERIFY_IS_APPROX(y.derivatives()(1).derivatives(), -std::sin(s1*s3+s2*s4)*Vector2d(s3*s4,s4*s4));
ADD z = x(0)*x(1);
VERIFY_IS_APPROX(z.derivatives()(0).derivatives(), Vector2d(0,1));
VERIFY_IS_APPROX(z.derivatives()(1).derivatives(), Vector2d(1,0));
}
double bug_1222() {