Eigen  3.3.3
SparseFuzzy.h
00001 // This file is part of Eigen, a lightweight C++ template library
00002 // for linear algebra.
00003 //
00004 // Copyright (C) 2008-2014 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 namespace Eigen {
00014   
00015 template<typename Derived>
00016 template<typename OtherDerived>
00017 bool SparseMatrixBase<Derived>::isApprox(const SparseMatrixBase<OtherDerived>& other, const RealScalar &prec) const
00018 {
00019   const typename internal::nested_eval<Derived,2,PlainObject>::type actualA(derived());
00020   typename internal::conditional<bool(IsRowMajor)==bool(OtherDerived::IsRowMajor),
00021     const typename internal::nested_eval<OtherDerived,2,PlainObject>::type,
00022     const PlainObject>::type actualB(other.derived());
00023 
00024   return (actualA - actualB).squaredNorm() <= prec * prec * numext::mini(actualA.squaredNorm(), actualB.squaredNorm());
00025 }
00026 
00027 } // end namespace Eigen
00028 
00029 #endif // EIGEN_SPARSE_FUZZY_H
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