/usr/include/pcl-1.7/pcl/apps/timer.h is in libpcl-dev 1.7.2-7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Software License Agreement (BSD License)
*
* Point Cloud Library (PCL) - www.pointclouds.org
* Copyright (c) 2012, Open Perception, Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of Willow Garage, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* $Id: openni_viewer.cpp 5059 2012-03-14 02:12:17Z gedikli $
*
*/
#ifndef PCL_APPS_TIMER_H_
#define PCL_APPS_TIMER_H_
#define MEASURE_FUNCTION_TIME
#include <pcl/common/time.h> //fps calculations
#if SHOW_FPS
#define FPS_CALC(_WHAT_) \
do \
{ \
static unsigned count = 0;\
static double last = pcl::getTime ();\
double now = pcl::getTime (); \
++count; \
if (now - last >= 1.0) \
{ \
std::cout << "Average framerate("<< _WHAT_ << "): " << double(count)/double(now - last) << " Hz" << std::endl; \
count = 0; \
last = now; \
} \
}while(false)
#else
#define FPS_CALC(_WHAT_) \
do \
{ \
}while(false)
#endif
#endif // PCL_APPS_TIMER_H_
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