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Fix bug #561: remove useless sign macro

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Gael Guennebaud 2013-03-07 23:35:26 +01:00
parent f82ee241ac
commit 03373f41cb
1 changed files with 1 additions and 3 deletions
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4
unsupported/Eigen/src/AutoDiff/AutoDiffScalar.h
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@ -532,11 +532,9 @@ inline AutoDiffScalar<DerType> (min)(const T& x, const AutoDiffScalar<DerType>&
template<typename DerType, typename T> template<typename DerType, typename T>
inline AutoDiffScalar<DerType> (max)(const T& x, const AutoDiffScalar<DerType>& y) { return (x > y ? x : y); } inline AutoDiffScalar<DerType> (max)(const T& x, const AutoDiffScalar<DerType>& y) { return (x > y ? x : y); }
#define sign(x) x >= 0 ? 1 : -1 // required for abs function below
EIGEN_AUTODIFF_DECLARE_GLOBAL_UNARY(abs, EIGEN_AUTODIFF_DECLARE_GLOBAL_UNARY(abs,
using std::abs; using std::abs;
return ReturnType(abs(x.value()), x.derivatives() * (sign(x.value())));) return ReturnType(abs(x.value()), x.derivatives() * (x.value()<0 ? -1 : 1) );)
EIGEN_AUTODIFF_DECLARE_GLOBAL_UNARY(abs2, EIGEN_AUTODIFF_DECLARE_GLOBAL_UNARY(abs2,
using internal::abs2; using internal::abs2;