diff options
author | Gael Guennebaud <g.gael@free.fr> | 2010-06-19 23:36:38 +0200 |
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committer | Gael Guennebaud <g.gael@free.fr> | 2010-06-19 23:36:38 +0200 |
commit | 7fd8418b199cda8b7facb37fccbe871375c5b6d2 (patch) | |
tree | 215d97917637683c78efb23dfa604687fb037f5e /Eigen/src/Core/GlobalFunctions.h | |
parent | 575ac5409c6f6a9af219cdff3374c40e8a2a120d (diff) |
finish to merge Array into Core:
- mv Array/* into Core/
- merge Functors.h files, and move Norms.h into Dot.h
Diffstat (limited to 'Eigen/src/Core/GlobalFunctions.h')
-rw-r--r-- | Eigen/src/Core/GlobalFunctions.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/Eigen/src/Core/GlobalFunctions.h b/Eigen/src/Core/GlobalFunctions.h new file mode 100644 index 000000000..14825656b --- /dev/null +++ b/Eigen/src/Core/GlobalFunctions.h @@ -0,0 +1,86 @@ +// This file is part of Eigen, a lightweight C++ template library +// for linear algebra. +// +// Copyright (C) 2010 Gael Guennebaud <g.gael@free.fr> +// Copyright (C) 2010 Benoit Jacob <jacob.benoit.1@gmail.com> +// +// 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/>. + +#ifndef EIGEN_GLOBAL_FUNCTIONS_H +#define EIGEN_GLOBAL_FUNCTIONS_H + +#define EIGEN_ARRAY_DECLARE_GLOBAL_STD_UNARY(NAME,FUNCTOR) \ + template<typename Derived> \ + inline const Eigen::CwiseUnaryOp<Eigen::FUNCTOR<typename Derived::Scalar>, Derived> \ + NAME(const Eigen::ArrayBase<Derived>& x) { \ + return x.derived(); \ + } + +#define EIGEN_ARRAY_DECLARE_GLOBAL_EIGEN_UNARY(NAME,FUNCTOR) \ + \ + template<typename Derived> \ + struct NAME##_retval<ArrayBase<Derived> > \ + { \ + typedef const Eigen::CwiseUnaryOp<Eigen::FUNCTOR<typename Derived::Scalar>, Derived> type; \ + }; \ + template<typename Derived> \ + struct NAME##_impl<ArrayBase<Derived> > \ + { \ + static inline typename NAME##_retval<ArrayBase<Derived> >::type run(const Eigen::ArrayBase<Derived>& x) \ + { \ + return x.derived(); \ + } \ + }; + + +namespace std +{ + EIGEN_ARRAY_DECLARE_GLOBAL_STD_UNARY(real,ei_scalar_real_op) + EIGEN_ARRAY_DECLARE_GLOBAL_STD_UNARY(imag,ei_scalar_imag_op) + EIGEN_ARRAY_DECLARE_GLOBAL_STD_UNARY(sin,ei_scalar_sin_op) + EIGEN_ARRAY_DECLARE_GLOBAL_STD_UNARY(cos,ei_scalar_cos_op) + EIGEN_ARRAY_DECLARE_GLOBAL_STD_UNARY(exp,ei_scalar_exp_op) + EIGEN_ARRAY_DECLARE_GLOBAL_STD_UNARY(log,ei_scalar_log_op) + EIGEN_ARRAY_DECLARE_GLOBAL_STD_UNARY(abs,ei_scalar_abs_op) + EIGEN_ARRAY_DECLARE_GLOBAL_STD_UNARY(sqrt,ei_scalar_sqrt_op) + + template<typename Derived> + inline const Eigen::CwiseUnaryOp<Eigen::ei_scalar_pow_op<typename Derived::Scalar>, Derived> + pow(const Eigen::ArrayBase<Derived>& x, const typename Derived::Scalar& exponent) { \ + return x.derived().pow(exponent); \ + } +} + +namespace Eigen +{ + EIGEN_ARRAY_DECLARE_GLOBAL_EIGEN_UNARY(ei_real,ei_scalar_real_op) + EIGEN_ARRAY_DECLARE_GLOBAL_EIGEN_UNARY(ei_imag,ei_scalar_imag_op) + EIGEN_ARRAY_DECLARE_GLOBAL_EIGEN_UNARY(ei_sin,ei_scalar_sin_op) + EIGEN_ARRAY_DECLARE_GLOBAL_EIGEN_UNARY(ei_cos,ei_scalar_cos_op) + EIGEN_ARRAY_DECLARE_GLOBAL_EIGEN_UNARY(ei_exp,ei_scalar_exp_op) + EIGEN_ARRAY_DECLARE_GLOBAL_EIGEN_UNARY(ei_log,ei_scalar_log_op) + EIGEN_ARRAY_DECLARE_GLOBAL_EIGEN_UNARY(ei_abs,ei_scalar_abs_op) + EIGEN_ARRAY_DECLARE_GLOBAL_EIGEN_UNARY(ei_abs2,ei_scalar_abs2_op) + EIGEN_ARRAY_DECLARE_GLOBAL_EIGEN_UNARY(ei_sqrt,ei_scalar_sqrt_op) +} + +// TODO: cleanly disable those functions that are not supported on Array (ei_real_ref, ei_random, ei_isApprox...) + +#endif // EIGEN_GLOBAL_FUNCTIONS_H |