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clean #defined tokens, and use clock_gettime for the real time

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This commit is contained in:
Gael Guennebaud 2010-03-03 09:41:29 +01:00
parent ff6b94d6d0
commit b0ffd9bf04
1 changed files with 28 additions and 21 deletions
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49
bench/BenchTimer.h
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@ -1,7 +1,7 @@
// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2008 Gael Guennebaud <g.gael@free.fr>
// Copyright (C) 2008-2010 Gael Guennebaud <g.gael@free.fr>
// Copyright (C) 2009 Benoit Jacob <jacob.benoit.1@gmail.com>
//
// Eigen is free software; you can redistribute it and/or
@ -27,22 +27,19 @@
#define EIGEN_BENCH_TIMERR_H
#if defined(_WIN32) || defined(__CYGWIN__)
#ifndef NOMINMAX
#define NOMINMAX
#endif
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
# ifndef NOMINMAX
# define NOMINMAX
# define EIGEN_BT_UNDEF_NOMINMAX
# endif
# ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
# define EIGEN_BT_UNDEF_WIN32_LEAN_AND_MEAN
# endif
# include <windows.h>
#else
#include <sys/time.h>
#include <time.h>
#include <unistd.h>
# include <unistd.h>
#endif
#include <cmath>
#include <cstdlib>
#include <numeric>
#include <Eigen/Core>
namespace Eigen
@ -131,14 +128,13 @@ public:
inline double getRealTime()
{
#ifdef WIN32
SYSTEMTIME st;
GetSystemTime(&st);
return (double)st.wSecond + 1.e-3 * (double)st.wMilliseconds;
SYSTEMTIME st;
GetSystemTime(&st);
return (double)st.wSecond + 1.e-3 * (double)st.wMilliseconds;
#else
struct timeval tv;
struct timezone tz;
gettimeofday(&tv, &tz);
return (double)tv.tv_sec + 1.e-6 * (double)tv.tv_usec;
timespec ts;
clock_gettime(CLOCK_REALTIME, &ts);
return double(ts.tv_sec) + 1e-9 * double(ts.tv_nsec);
#endif
}
@ -166,4 +162,15 @@ protected:
}
// clean #defined tokens
#ifdef EIGEN_BT_UNDEF_NOMINMAX
# undef EIGEN_BT_UNDEF_NOMINMAX
# undef NOMINMAX
#endif
#ifdef EIGEN_BT_UNDEF_WIN32_LEAN_AND_MEAN
# undef EIGEN_BT_UNDEF_WIN32_LEAN_AND_MEAN
# undef WIN32_LEAN_AND_MEAN
#endif
#endif // EIGEN_BENCH_TIMERR_H