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30 lines
1.1 KiB
C++
30 lines
1.1 KiB
C++
// This file is part of Eigen, a lightweight C++ template library
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// for linear algebra.
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//
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// Copyright (C) 2008-2014 Gael Guennebaud <gael.guennebaud@inria.fr>
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//
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// This Source Code Form is subject to the terms of the Mozilla
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// Public License v. 2.0. If a copy of the MPL was not distributed
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// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#ifndef EIGEN_SPARSE_FUZZY_H
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#define EIGEN_SPARSE_FUZZY_H
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namespace Eigen {
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template<typename Derived>
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template<typename OtherDerived>
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bool SparseMatrixBase<Derived>::isApprox(const SparseMatrixBase<OtherDerived>& other, const RealScalar &prec) const
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{
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const typename internal::nested_eval<Derived,2,PlainObject>::type actualA(derived());
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typename internal::conditional<bool(IsRowMajor)==bool(OtherDerived::IsRowMajor),
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const typename internal::nested_eval<OtherDerived,2,PlainObject>::type,
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const PlainObject>::type actualB(other.derived());
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return (actualA - actualB).squaredNorm() <= prec * prec * numext::mini(actualA.squaredNorm(), actualB.squaredNorm());
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}
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} // end namespace Eigen
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#endif // EIGEN_SPARSE_FUZZY_H
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