Vc/sse/limits.h

0001 /*  This file is part of the Vc library. {{{
0002 Copyright © 2009-2015 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 #ifndef VC_SSE_LIMITS_H_
0029 #define VC_SSE_LIMITS_H_
0030
0031 #include "intrinsics.h"
0032 #include "types.h"
0033 #include "macros.h"
0034
0035 namespace std
0036 {
0037 template<> struct numeric_limits< ::Vc::SSE::ushort_v> : public numeric_limits<unsigned short>
0038 {
0039     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::ushort_v max()           Vc_NOEXCEPT { return ::Vc::SSE::_mm_setallone_si128(); }
0040     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::ushort_v min()           Vc_NOEXCEPT { return ::Vc::SSE::ushort_v::Zero(); }
0041     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::ushort_v lowest()        Vc_NOEXCEPT { return min(); }
0042     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::ushort_v epsilon()       Vc_NOEXCEPT { return ::Vc::SSE::ushort_v::Zero(); }
0043     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::ushort_v round_error()   Vc_NOEXCEPT { return ::Vc::SSE::ushort_v::Zero(); }
0044     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::ushort_v infinity()      Vc_NOEXCEPT { return ::Vc::SSE::ushort_v::Zero(); }
0045     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::ushort_v quiet_NaN()     Vc_NOEXCEPT { return ::Vc::SSE::ushort_v::Zero(); }
0046     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::ushort_v signaling_NaN() Vc_NOEXCEPT { return ::Vc::SSE::ushort_v::Zero(); }
0047     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::ushort_v denorm_min()    Vc_NOEXCEPT { return ::Vc::SSE::ushort_v::Zero(); }
0048 };
0049 template<> struct numeric_limits< ::Vc::SSE::short_v> : public numeric_limits<short>
0050 {
0051     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::short_v max()           Vc_NOEXCEPT { return _mm_srli_epi16(::Vc::SSE::_mm_setallone_si128(), 1); }
0052     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::short_v min()           Vc_NOEXCEPT { return ::Vc::SSE::setmin_epi16(); }
0053     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::short_v lowest()        Vc_NOEXCEPT { return min(); }
0054     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::short_v epsilon()       Vc_NOEXCEPT { return ::Vc::SSE::short_v::Zero(); }
0055     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::short_v round_error()   Vc_NOEXCEPT { return ::Vc::SSE::short_v::Zero(); }
0056     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::short_v infinity()      Vc_NOEXCEPT { return ::Vc::SSE::short_v::Zero(); }
0057     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::short_v quiet_NaN()     Vc_NOEXCEPT { return ::Vc::SSE::short_v::Zero(); }
0058     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::short_v signaling_NaN() Vc_NOEXCEPT { return ::Vc::SSE::short_v::Zero(); }
0059     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::short_v denorm_min()    Vc_NOEXCEPT { return ::Vc::SSE::short_v::Zero(); }
0060 };
0061 template<> struct numeric_limits< ::Vc::SSE::uint_v> : public numeric_limits<unsigned int>
0062 {
0063     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::uint_v max()           Vc_NOEXCEPT { return ::Vc::SSE::_mm_setallone_si128(); }
0064     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::uint_v min()           Vc_NOEXCEPT { return ::Vc::SSE::uint_v::Zero(); }
0065     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::uint_v lowest()        Vc_NOEXCEPT { return min(); }
0066     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::uint_v epsilon()       Vc_NOEXCEPT { return ::Vc::SSE::uint_v::Zero(); }
0067     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::uint_v round_error()   Vc_NOEXCEPT { return ::Vc::SSE::uint_v::Zero(); }
0068     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::uint_v infinity()      Vc_NOEXCEPT { return ::Vc::SSE::uint_v::Zero(); }
0069     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::uint_v quiet_NaN()     Vc_NOEXCEPT { return ::Vc::SSE::uint_v::Zero(); }
0070     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::uint_v signaling_NaN() Vc_NOEXCEPT { return ::Vc::SSE::uint_v::Zero(); }
0071     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::uint_v denorm_min()    Vc_NOEXCEPT { return ::Vc::SSE::uint_v::Zero(); }
0072 };
0073 template<> struct numeric_limits< ::Vc::SSE::int_v> : public numeric_limits<int>
0074 {
0075     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::int_v max()           Vc_NOEXCEPT { return _mm_srli_epi32(::Vc::SSE::_mm_setallone_si128(), 1); }
0076     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::int_v min()           Vc_NOEXCEPT { return ::Vc::SSE::setmin_epi32(); }
0077     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::int_v lowest()        Vc_NOEXCEPT { return min(); }
0078     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::int_v epsilon()       Vc_NOEXCEPT { return ::Vc::SSE::int_v::Zero(); }
0079     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::int_v round_error()   Vc_NOEXCEPT { return ::Vc::SSE::int_v::Zero(); }
0080     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::int_v infinity()      Vc_NOEXCEPT { return ::Vc::SSE::int_v::Zero(); }
0081     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::int_v quiet_NaN()     Vc_NOEXCEPT { return ::Vc::SSE::int_v::Zero(); }
0082     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::int_v signaling_NaN() Vc_NOEXCEPT { return ::Vc::SSE::int_v::Zero(); }
0083     static Vc_INTRINSIC Vc_CONST ::Vc::SSE::int_v denorm_min()    Vc_NOEXCEPT { return ::Vc::SSE::int_v::Zero(); }
0084 };
0085 } // namespace std
0086
0087 #endif // VC_SSE_LIMITS_H_