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isApprox must honors nested_eval

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Gael Guennebaud 2014-02-19 11:30:58 +01:00
parent 5b78780def
commit c16b80746a
1 changed files with 5 additions and 0 deletions
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5
Eigen/src/Core/Fuzzy.h
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@ -23,8 +23,13 @@ struct isApprox_selector
static bool run(const Derived& x, const OtherDerived& y, const typename Derived::RealScalar& prec) static bool run(const Derived& x, const OtherDerived& y, const typename Derived::RealScalar& prec)
{ {
EIGEN_USING_STD_MATH(min); EIGEN_USING_STD_MATH(min);
#ifdef EIGEN_TEST_EVALUATORS
typename internal::nested_eval<Derived,2>::type nested(x);
typename internal::nested_eval<OtherDerived,2>::type otherNested(y);
#else
typename internal::nested<Derived,2>::type nested(x); typename internal::nested<Derived,2>::type nested(x);
typename internal::nested<OtherDerived,2>::type otherNested(y); typename internal::nested<OtherDerived,2>::type otherNested(y);
#endif
return (nested - otherNested).cwiseAbs2().sum() <= prec * prec * (min)(nested.cwiseAbs2().sum(), otherNested.cwiseAbs2().sum()); return (nested - otherNested).cwiseAbs2().sum() <= prec * prec * (min)(nested.cwiseAbs2().sum(), otherNested.cwiseAbs2().sum());
} }
}; };