SparseFuzzy.h revision c981c48f5bc9aefeffc0bcb0cc3934c2fae179dd
1// This file is part of Eigen, a lightweight C++ template library 2// for linear algebra. 3// 4// Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr> 5// 6// This Source Code Form is subject to the terms of the Mozilla 7// Public License v. 2.0. If a copy of the MPL was not distributed 8// with this file, You can obtain one at http://mozilla.org/MPL/2.0/. 9 10#ifndef EIGEN_SPARSE_FUZZY_H 11#define EIGEN_SPARSE_FUZZY_H 12 13// template<typename Derived> 14// template<typename OtherDerived> 15// bool SparseMatrixBase<Derived>::isApprox( 16// const OtherDerived& other, 17// typename NumTraits<Scalar>::Real prec 18// ) const 19// { 20// const typename internal::nested<Derived,2>::type nested(derived()); 21// const typename internal::nested<OtherDerived,2>::type otherNested(other.derived()); 22// return (nested - otherNested).cwise().abs2().sum() 23// <= prec * prec * (std::min)(nested.cwise().abs2().sum(), otherNested.cwise().abs2().sum()); 24// } 25 26#endif // EIGEN_SPARSE_FUZZY_H 27