clock_time.h File Reference

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Functions
double	mbdyn_clock_time ()

Function Documentation

double mbdyn_clock_time

(

)

Definition at line 51 of file clock_time.cc.

References c.

Referenced by cppad_benchmark1(), cppad_benchmark2(), cppad_benchmark3(), Mat3xN_test(), Mat3xN_test_grad(), Mat3xNT_test_grad(), MatDynamic_test(), MatDynamic_test_grad(), MatDynamicT_test(), MatDynamicT_test_grad(), MatNxN_test(), MatNxN_test_grad(), MatNxNT_test_grad(), NewtonRaphsonSolver::Solve(), LineSearchSolver::Solve(), testMatVecProductGradient2(), testVecOp(), tic(), and toc().

                          {
#if defined(WIN32) || defined(__CYGWIN__)
    LARGE_INTEGER c, f;
    QueryPerformanceFrequency(&f);
    QueryPerformanceCounter(&c);
    return static_cast<double>(c.QuadPart) / f.QuadPart;
#elif defined(HAVE_CLOCK_GETTIME)
        timespec tp;
        clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &tp);
        return (tp.tv_sec + 1e-9 * tp.tv_nsec);
#else
        return static_cast<double>(clock())/CLOCKS_PER_SEC;
#endif
}