qmaths_helpers.h

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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
 
 
#ifndef QMATH_HELPERS_H
#define QMATH_HELPERS_H
 
#if defined __has_include
#if __has_include(<xmmintrin.h>) && __has_include(<pmmintrin.h>)
#include <xmmintrin.h>
#include <pmmintrin.h>
#if defined(_MM_FLUSH_ZERO_OFF) && defined(_MM_DENORMALS_ZERO_ON)
static void disable_denormals()
{
  _MM_SET_FLUSH_ZERO_MODE(_MM_FLUSH_ZERO_ON);
  _MM_SET_DENORMALS_ZERO_MODE(_MM_DENORMALS_ZERO_ON);
}
#define XMM_HAS_DENORMAL_DEACTIVATE
#endif
#endif
#endif
#ifdef XMM_HAS_DENORMAL_DEACTIVATE
#undef XMM_HAS_DENORMAL_DEACTIVATE
#else
static void disable_denormals() {}
#endif
 
#endif