diff options
author | 2016-10-05 18:48:55 -0700 | |
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committer | 2016-10-05 18:48:55 -0700 | |
commit | 78b569f68540c5609388864bd805dcf21dd6a187 (patch) | |
tree | 0a5757bb11834d0109f99310f4493dfd63579901 /Eigen/src/Core/IO.h | |
parent | 9c2b6c049be19fd4c571b0df537169d277b26291 (diff) | |
parent | 4387433acf9cd2eab3713349163cd1e8905b5854 (diff) |
Merged latest updates from trunk
Diffstat (limited to 'Eigen/src/Core/IO.h')
-rw-r--r-- | Eigen/src/Core/IO.h | 24 |
1 files changed, 5 insertions, 19 deletions
diff --git a/Eigen/src/Core/IO.h b/Eigen/src/Core/IO.h index dfd9097cc..94e00f58b 100644 --- a/Eigen/src/Core/IO.h +++ b/Eigen/src/Core/IO.h @@ -125,32 +125,18 @@ DenseBase<Derived>::format(const IOFormat& fmt) const namespace internal { -template<typename Scalar, bool IsInteger> -struct significant_decimals_default_impl -{ - typedef typename NumTraits<Scalar>::Real RealScalar; - static inline int run() - { - using std::ceil; - using std::log; - return cast<RealScalar,int>(ceil(-log(NumTraits<RealScalar>::epsilon())/log(RealScalar(10)))); - } -}; - +// NOTE: This helper is kept for backward compatibility with previous code specializing +// this internal::significant_decimals_impl structure. In the future we should directly +// call digits10() which has been introduced in July 2016 in 3.3. template<typename Scalar> -struct significant_decimals_default_impl<Scalar, true> +struct significant_decimals_impl { static inline int run() { - return 0; + return NumTraits<Scalar>::digits10(); } }; -template<typename Scalar> -struct significant_decimals_impl - : significant_decimals_default_impl<Scalar, NumTraits<Scalar>::IsInteger> -{}; - /** \internal * print the matrix \a _m to the output stream \a s using the output format \a fmt */ template<typename Derived> |