Vc/common/generalinterface.h

0001 /*  This file is part of the Vc library. {{{
0002 Copyright © 2014-2015 Matthias Kretz <kretz@kde.org>
0003
0004 Redistribution and use in source and binary forms, with or without
0005 modification, are permitted provided that the following conditions are met:
0006     * Redistributions of source code must retain the above copyright
0007       notice, this list of conditions and the following disclaimer.
0008     * Redistributions in binary form must reproduce the above copyright
0009       notice, this list of conditions and the following disclaimer in the
0010       documentation and/or other materials provided with the distribution.
0011     * Neither the names of contributing organizations nor the
0012       names of its contributors may be used to endorse or promote products
0013       derived from this software without specific prior written permission.
0014
0015 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
0016 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
0017 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
0018 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
0019 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
0020 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
0021 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
0022 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
0023 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
0024 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
0025
0026 }}}*/
0027
0028 public:
0029     ///////////////////////////////////////////////////////////////////////////
0030     // init to zero
0031     Vc_INTRINSIC Vector() = default;
0032
0033     ///////////////////////////////////////////////////////////////////////////
0034     // types
0035
0036     ///////////////////////////////////////////////////////////////////////////
0037     // constants
0038     static constexpr std::size_t size() { return Size; }
0039
0040     ///////////////////////////////////////////////////////////////////////////
0041     // constant Vectors
0042     explicit Vc_INTRINSIC_L Vector(VectorSpecialInitializerZero) Vc_INTRINSIC_R;
0043     explicit Vc_INTRINSIC_L Vector(VectorSpecialInitializerOne) Vc_INTRINSIC_R;
0044     explicit Vc_INTRINSIC_L Vector(VectorSpecialInitializerIndexesFromZero) Vc_INTRINSIC_R;
0045     static Vc_INTRINSIC Vc_CONST Vector Zero() { return Vector(Vc::Zero); }
0046     static Vc_INTRINSIC Vc_CONST Vector One() { return Vector(Vc::One); }
0047     static Vc_INTRINSIC Vc_CONST Vector IndexesFromZero()
0048     {
0049         return Vector(Vc::IndexesFromZero);
0050     }
0051
0052     ///////////////////////////////////////////////////////////////////////////
0053     // generator ctor
0054     template <class G, int = 0,
0055               class = typename std::enable_if<std::is_convertible<
0056                   decltype(std::declval<G>()(size_t())), value_type>::value>::type>
0057     explicit Vector(G &&g) : Vector(generate(std::forward<G>(g)))
0058     {
0059     }
0060
0061 // vim: foldmethod=marker