text: // ======================================================================== //
  // Copyright 2009-2017 Intel Corporation                                    //
  //                                                                          //
  // Licensed under the Apache License, Version 2.0 (the "License");          //
  // you may not use this file except in compliance with the License.         //
  // You may obtain a copy of the License at                                  //
  //                                                                          //
  //     http://www.apache.org/licenses/LICENSE-2.0                           //
  //                                                                          //
  // Unless required by applicable law or agreed to in writing, software      //
  // distributed under the License is distributed on an "AS IS" BASIS,        //
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. //
  // See the License for the specific language governing permissions and      //
  // limitations under the License.                                           //
  // ======================================================================== //
  
  #pragma once
  
  #include "../sys/platform.h"
  #include "../sys/intrinsics.h"
  #include "../math/constants.h"
  #include "varying.h"
  
  namespace embree 
  {
  #if defined(__SSE4_1__)
    __forceinline __m128 blendv_ps( __m128 f, __m128 t, __m128 mask ) { 
      return _mm_blendv_ps(f,t,mask);
    }
  #else
    __forceinline __m128 blendv_ps( __m128 f, __m128 t, __m128 mask ) { 
      return _mm_or_ps(_mm_and_ps(mask, t), _mm_andnot_ps(mask, f)); 
    }
  #endif
  
    extern const __m128  _mm_lookupmask_ps[16];
    extern const __m128d _mm_lookupmask_pd[4];
  }
  
  #if defined(__AVX512VL__)
  #include "vboolf4_avx512.h"
  #else
  #include "vboolf4_sse2.h"
  #endif
  #include "vint4_sse2.h"
  #include "vfloat4_sse2.h"
  