dust3d/third_party/libigl/include/igl/get_seconds_hires.cpp

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// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla Public License
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
// obtain one at http://mozilla.org/MPL/2.0/.
#include "get_seconds_hires.h"
#if _WIN32
# include <windows.h>
# include <cassert>
IGL_INLINE double igl::get_seconds_hires()
{
LARGE_INTEGER li_freq, li_current;
const bool ret = QueryPerformanceFrequency(&li_freq);
const bool ret2 = QueryPerformanceCounter(&li_current);
assert(ret && ret2);
assert(li_freq.QuadPart > 0);
return double(li_current.QuadPart) / double(li_freq.QuadPart);
}
#else
# include "get_seconds.h"
IGL_INLINE double igl::get_seconds_hires()
{
// Sorry I've no idea how performance counters work on Mac...
return igl::get_seconds();
}
#endif