diff options
Diffstat (limited to 'extern/Eigen3/Eigen/src/Core/BooleanRedux.h')
| -rw-r--r-- | extern/Eigen3/Eigen/src/Core/BooleanRedux.h | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/extern/Eigen3/Eigen/src/Core/BooleanRedux.h b/extern/Eigen3/Eigen/src/Core/BooleanRedux.h index 57efd8e6953..be9f48a8c71 100644 --- a/extern/Eigen3/Eigen/src/Core/BooleanRedux.h +++ b/extern/Eigen3/Eigen/src/Core/BooleanRedux.h @@ -29,9 +29,9 @@ struct all_unroller }; template<typename Derived> -struct all_unroller<Derived, 1> +struct all_unroller<Derived, 0> { - static inline bool run(const Derived &mat) { return mat.coeff(0, 0); } + static inline bool run(const Derived &/*mat*/) { return true; } }; template<typename Derived> @@ -55,9 +55,9 @@ struct any_unroller }; template<typename Derived> -struct any_unroller<Derived, 1> +struct any_unroller<Derived, 0> { - static inline bool run(const Derived &mat) { return mat.coeff(0, 0); } + static inline bool run(const Derived & /*mat*/) { return false; } }; template<typename Derived> @@ -85,9 +85,7 @@ inline bool DenseBase<Derived>::all() const && SizeAtCompileTime * (CoeffReadCost + NumTraits<Scalar>::AddCost) <= EIGEN_UNROLLING_LIMIT }; if(unroll) - return internal::all_unroller<Derived, - unroll ? int(SizeAtCompileTime) : Dynamic - >::run(derived()); + return internal::all_unroller<Derived, unroll ? int(SizeAtCompileTime) : Dynamic>::run(derived()); else { for(Index j = 0; j < cols(); ++j) @@ -111,9 +109,7 @@ inline bool DenseBase<Derived>::any() const && SizeAtCompileTime * (CoeffReadCost + NumTraits<Scalar>::AddCost) <= EIGEN_UNROLLING_LIMIT }; if(unroll) - return internal::any_unroller<Derived, - unroll ? int(SizeAtCompileTime) : Dynamic - >::run(derived()); + return internal::any_unroller<Derived, unroll ? int(SizeAtCompileTime) : Dynamic>::run(derived()); else { for(Index j = 0; j < cols(); ++j) @@ -133,6 +129,26 @@ inline typename DenseBase<Derived>::Index DenseBase<Derived>::count() const return derived().template cast<bool>().template cast<Index>().sum(); } +/** \returns true is \c *this contains at least one Not A Number (NaN). + * + * \sa allFinite() + */ +template<typename Derived> +inline bool DenseBase<Derived>::hasNaN() const +{ + return !((derived().array()==derived().array()).all()); +} + +/** \returns true if \c *this contains only finite numbers, i.e., no NaN and no +/-INF values. + * + * \sa hasNaN() + */ +template<typename Derived> +inline bool DenseBase<Derived>::allFinite() const +{ + return !((derived()-derived()).hasNaN()); +} + } // end namespace Eigen #endif // EIGEN_ALLANDANY_H |