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// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
// SPDX-FileCopyrightText: Bradley M. Bell <bradbell@seanet.com>
// SPDX-FileContributor: 2003-22 Bradley M. Bell
// ----------------------------------------------------------------------------
/*
{xrst_begin elapsed_seconds.cpp}
Elapsed Seconds: Example and Test
#################################
{xrst_literal
// BEGIN C++
// END C++
}
{xrst_end elapsed_seconds.cpp}
*/
// BEGIN C++
# include <cppad/utility/elapsed_seconds.hpp>
# include <iostream>
# include <algorithm>
# include <cmath>
# define CPPAD_DEBUG_ELAPSED_SECONDS 0
bool elapsed_seconds(void)
{ bool ok = true;
double max_diff = 0.;
double s0 = CppAD::elapsed_seconds();
double s1 = CppAD::elapsed_seconds();
double s2 = CppAD::elapsed_seconds();
while(s2 - s0 < 1.)
{ max_diff = std::max(s2 - s1, max_diff);
s1 = s2;
s2 = CppAD::elapsed_seconds();
}
# if CPPAD_DEBUG_ELAPSED_SECONDS
std::cout << "max_diff = " << max_diff << std::endl;
# endif
ok &= 0. < max_diff && max_diff < .04;
return ok;
}
// END C++
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