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authorGravatar Gael Guennebaud <g.gael@free.fr>2010-06-19 23:36:38 +0200
committerGravatar Gael Guennebaud <g.gael@free.fr>2010-06-19 23:36:38 +0200
commit7fd8418b199cda8b7facb37fccbe871375c5b6d2 (patch)
tree215d97917637683c78efb23dfa604687fb037f5e /Eigen/src/Core/GlobalFunctions.h
parent575ac5409c6f6a9af219cdff3374c40e8a2a120d (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.h86
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
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--- /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