// ======================================================================== //
// Copyright 2009-2015 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.                                           //
// ======================================================================== //

#include <embree2/rtcore.h>

#include <xmmintrin.h>
//#include <pmmintrin.h> // use this to get _MM_SET_DENORMALS_ZERO_MODE when compiling for SSE3 or higher

#if !defined(_MM_SET_DENORMALS_ZERO_MODE)
#define _MM_DENORMALS_ZERO_ON   (0x0040)
#define _MM_DENORMALS_ZERO_OFF  (0x0000)
#define _MM_DENORMALS_ZERO_MASK (0x0040)
#define _MM_SET_DENORMALS_ZERO_MODE(x) (_mm_setcsr((_mm_getcsr() & ~_MM_DENORMALS_ZERO_MASK) | (x)))
#endif

int main(int argc, char* argv[])
{
  /* for best performance set FTZ and DAZ flags in MXCSR control and status register */
  _MM_SET_FLUSH_ZERO_MODE(_MM_FLUSH_ZERO_ON);
  _MM_SET_DENORMALS_ZERO_MODE(_MM_DENORMALS_ZERO_ON);

  /* create new Embree device */
  RTCDevice device = rtcNewDevice("verbose=1");

  /* ddelete device again */
  rtcDeleteDevice(device);
  
  return 0;
}
