diff options
Diffstat (limited to 'extern/Eigen3/Eigen/src/plugins/MatrixCwiseBinaryOps.h')
| -rw-r--r-- | extern/Eigen3/Eigen/src/plugins/MatrixCwiseBinaryOps.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/extern/Eigen3/Eigen/src/plugins/MatrixCwiseBinaryOps.h b/extern/Eigen3/Eigen/src/plugins/MatrixCwiseBinaryOps.h index 7f62149e04b..c4a042b7027 100644 --- a/extern/Eigen3/Eigen/src/plugins/MatrixCwiseBinaryOps.h +++ b/extern/Eigen3/Eigen/src/plugins/MatrixCwiseBinaryOps.h @@ -124,3 +124,20 @@ cwiseQuotient(const EIGEN_CURRENT_STORAGE_BASE_CLASS<OtherDerived> &other) const { return CwiseBinaryOp<internal::scalar_quotient_op<Scalar>, const Derived, const OtherDerived>(derived(), other.derived()); } + +typedef CwiseBinaryOp<internal::scalar_cmp_op<Scalar,internal::cmp_EQ>, const Derived, const ConstantReturnType> CwiseScalarEqualReturnType; + +/** \returns an expression of the coefficient-wise == operator of \c *this and a scalar \a s + * + * \warning this performs an exact comparison, which is generally a bad idea with floating-point types. + * In order to check for equality between two vectors or matrices with floating-point coefficients, it is + * generally a far better idea to use a fuzzy comparison as provided by isApprox() and + * isMuchSmallerThan(). + * + * \sa cwiseEqual(const MatrixBase<OtherDerived> &) const + */ +inline const CwiseScalarEqualReturnType +cwiseEqual(const Scalar& s) const +{ + return CwiseScalarEqualReturnType(derived(), Derived::Constant(rows(), cols(), s), internal::scalar_cmp_op<Scalar,internal::cmp_EQ>()); +} |