00001 // This file is part of Eigen, a lightweight C++ template library 00002 // for linear algebra. 00003 // 00004 // Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr> 00005 // 00006 // This Source Code Form is subject to the terms of the Mozilla 00007 // Public License v. 2.0. If a copy of the MPL was not distributed 00008 // with this file, You can obtain one at http://mozilla.org/MPL/2.0/. 00009 00010 #ifndef EIGEN_SPARSE_FUZZY_H 00011 #define EIGEN_SPARSE_FUZZY_H 00012 00013 // template<typename Derived> 00014 // template<typename OtherDerived> 00015 // bool SparseMatrixBase<Derived>::isApprox( 00016 // const OtherDerived& other, 00017 // typename NumTraits<Scalar>::Real prec 00018 // ) const 00019 // { 00020 // const typename internal::nested<Derived,2>::type nested(derived()); 00021 // const typename internal::nested<OtherDerived,2>::type otherNested(other.derived()); 00022 // return (nested - otherNested).cwise().abs2().sum() 00023 // <= prec * prec * (std::min)(nested.cwise().abs2().sum(), otherNested.cwise().abs2().sum()); 00024 // } 00025 00026 #endif // EIGEN_SPARSE_FUZZY_H