Elapsed Seconds: Example and Test
Keywords: elapsed seconds: example test seconds timer

| Prev | Next |  |  |  |  |  | elapsed_seconds.cpp | Headings

Elapsed Seconds: Example and Test
`

    # 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;
    }

`

Input File: speed/example/elapsed_seconds.cpp