diff options
Diffstat (limited to 'extern/Eigen3/Eigen/src/Core/StableNorm.h')
| -rw-r--r-- | extern/Eigen3/Eigen/src/Core/StableNorm.h | 31 |
1 files changed, 10 insertions, 21 deletions
diff --git a/extern/Eigen3/Eigen/src/Core/StableNorm.h b/extern/Eigen3/Eigen/src/Core/StableNorm.h index f667272e4a4..d8bf7db70e4 100644 --- a/extern/Eigen3/Eigen/src/Core/StableNorm.h +++ b/extern/Eigen3/Eigen/src/Core/StableNorm.h @@ -3,28 +3,15 @@ // // Copyright (C) 2009 Gael Guennebaud <gael.guennebaud@inria.fr> // -// Eigen is free software; you can redistribute it and/or -// modify it under the terms of the GNU Lesser General Public -// License as published by the Free Software Foundation; either -// version 3 of the License, or (at your option) any later version. -// -// Alternatively, you can redistribute it and/or -// modify it under the terms of the GNU General Public License as -// published by the Free Software Foundation; either version 2 of -// the License, or (at your option) any later version. -// -// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY -// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS -// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU Lesser General Public -// License and a copy of the GNU General Public License along with -// Eigen. If not, see <http://www.gnu.org/licenses/>. +// This Source Code Form is subject to the terms of the Mozilla +// Public License v. 2.0. If a copy of the MPL was not distributed +// with this file, You can obtain one at http://mozilla.org/MPL/2.0/. #ifndef EIGEN_STABLENORM_H #define EIGEN_STABLENORM_H +namespace Eigen { + namespace internal { template<typename ExpressionType, typename Scalar> inline void stable_norm_kernel(const ExpressionType& bl, Scalar& ssq, Scalar& scale, Scalar& invScale) @@ -58,9 +45,9 @@ MatrixBase<Derived>::stableNorm() const { using std::min; const Index blockSize = 4096; - RealScalar scale = 0; - RealScalar invScale = 1; - RealScalar ssq = 0; // sum of square + RealScalar scale(0); + RealScalar invScale(1); + RealScalar ssq(0); // sum of square enum { Alignment = (int(Flags)&DirectAccessBit) || (int(Flags)&AlignedBit) ? 1 : 0 }; @@ -187,4 +174,6 @@ MatrixBase<Derived>::hypotNorm() const return this->cwiseAbs().redux(internal::scalar_hypot_op<RealScalar>()); } +} // end namespace Eigen + #endif // EIGEN_STABLENORM_H |