diff options
Diffstat (limited to 'unsupported/Eigen/CXX11/src/Tensor/TensorMacros.h')
-rw-r--r-- | unsupported/Eigen/CXX11/src/Tensor/TensorMacros.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorMacros.h b/unsupported/Eigen/CXX11/src/Tensor/TensorMacros.h new file mode 100644 index 000000000..6d9cc4f38 --- /dev/null +++ b/unsupported/Eigen/CXX11/src/Tensor/TensorMacros.h @@ -0,0 +1,44 @@ +// This file is part of Eigen, a lightweight C++ template library +// for linear algebra. +// +// Copyright (C) 2015 Benoit Steiner <benoit.steiner.goog@gmail.com> +// +// 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_CXX11_TENSOR_TENSOR_META_MACROS_H +#define EIGEN_CXX11_TENSOR_TENSOR_META_MACROS_H + + +/** use this macro in sfinae selection in templated functions + * + * template<typename T, + * typename std::enable_if< isBanana<T>::value , int >::type = 0 + * > + * void foo(){} + * + * becomes => + * + * template<typename TopoType, + * SFINAE_ENABLE_IF( isBanana<T>::value ) + * > + * void foo(){} + */ + +#ifdef EIGEN_HAS_VARIADIC_TEMPLATES +#define EIGEN_HAS_SFINAE +#endif + +#define EIGEN_SFINAE_ENABLE_IF( __condition__ ) \ + typename internal::enable_if< ( __condition__ ) , int >::type = 0 + + +#if defined(EIGEN_HAS_CONSTEXPR) +#define EIGEN_CONSTEXPR constexpr +#else +#define EIGEN_CONSTEXPR +#endif + + +#endif |