text: /*  This file is part of the Vc library.
  
      Copyright (C) 2009-2011 Matthias Kretz <kretz@kde.org>
  
      Vc 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.
  
      Vc 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 for more details.
  
      You should have received a copy of the GNU Lesser General Public
      License along with Vc.  If not, see <http://www.gnu.org/licenses/>.
  
  */
  
  #ifndef VC_AVX_LIMITS_H
  #define VC_AVX_LIMITS_H
  
  #include "intrinsics.h"
  #include "types.h"
  
  namespace std
  {
  #define _VC_NUM_LIM(T, _max, _min) \
  template<> struct numeric_limits< ::Vc::AVX::Vector<T> > : public numeric_limits<T> \
  { \
      static Vc_INTRINSIC Vc_CONST ::Vc::AVX::Vector<T> max()           _VC_NOEXCEPT { return _max; } \
      static Vc_INTRINSIC Vc_CONST ::Vc::AVX::Vector<T> min()           _VC_NOEXCEPT { return _min; } \
      static Vc_INTRINSIC Vc_CONST ::Vc::AVX::Vector<T> lowest()        _VC_NOEXCEPT { return min(); } \
      static Vc_INTRINSIC Vc_CONST ::Vc::AVX::Vector<T> epsilon()       _VC_NOEXCEPT { return ::Vc::AVX::Vector<T>::Zero(); } \
      static Vc_INTRINSIC Vc_CONST ::Vc::AVX::Vector<T> round_error()   _VC_NOEXCEPT { return ::Vc::AVX::Vector<T>::Zero(); } \
      static Vc_INTRINSIC Vc_CONST ::Vc::AVX::Vector<T> infinity()      _VC_NOEXCEPT { return ::Vc::AVX::Vector<T>::Zero(); } \
      static Vc_INTRINSIC Vc_CONST ::Vc::AVX::Vector<T> quiet_NaN()     _VC_NOEXCEPT { return ::Vc::AVX::Vector<T>::Zero(); } \
      static Vc_INTRINSIC Vc_CONST ::Vc::AVX::Vector<T> signaling_NaN() _VC_NOEXCEPT { return ::Vc::AVX::Vector<T>::Zero(); } \
      static Vc_INTRINSIC Vc_CONST ::Vc::AVX::Vector<T> denorm_min()    _VC_NOEXCEPT { return ::Vc::AVX::Vector<T>::Zero(); } \
  }
  
  #ifndef VC_IMPL_AVX2
  namespace {
      using ::Vc::AVX::_mm256_srli_epi32;
  }
  #endif
  _VC_NUM_LIM(unsigned short, ::Vc::AVX::_mm_setallone_si128(), _mm_setzero_si128());
  _VC_NUM_LIM(         short, _mm_srli_epi16(::Vc::AVX::_mm_setallone_si128(), 1), ::Vc::AVX::_mm_setmin_epi16());
  _VC_NUM_LIM(  unsigned int, ::Vc::AVX::_mm256_setallone_si256(), _mm256_setzero_si256());
  _VC_NUM_LIM(           int, _mm256_srli_epi32(::Vc::AVX::_mm256_setallone_si256(), 1), ::Vc::AVX::_mm256_setmin_epi32());
  #undef _VC_NUM_LIM
  
  } // namespace std
  
  #endif // VC_AVX_LIMITS_H
  