solver_impl.h File Reference

#include <limits>

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Functions
void	mbdyn_signal_init (int pre)
int	mbdyn_reserve_stack (unsigned long size)

Variables
static const doublereal	dDefaultDerivativesCoefficient = 1.e-6
static const integer	iDefaultDummyStepsNumber = 0
static const doublereal	dDefaultDummyStepsRatio = 1.e-3
static const integer	iDefaultIterationsBeforeAssembly = 2
static const integer	iDefaultIterativeSolversMaxSteps = 100
static const integer	iDefaultPreconditionerSteps = 20
static const doublereal	dDefaultTol = 1.e-6
static const doublereal	defaultIterativeEtaMax = 0.9
static const doublereal	defaultIterativeTau = 1.e-7
static const integer	iDefaultMaxIterations = 1
static const doublereal	dDefaultMinTimeStep = -1.
static const doublereal	dDefaultMaxTimeStep = std::numeric_limits<doublereal>::max()
static const doublereal	dDefaultDummyStepsTolerance = dDefaultTol

Function Documentation

int mbdyn_reserve_stack

(

unsigned long

size

)

Definition at line 254 of file solver.cc.

References buf.

Referenced by RTSolverBase::Init().

{
        int buf[size];

#ifdef HAVE_MEMSET
        memset(buf, 0, size*sizeof(int));
#else /* !HAVE_MEMSET */
        for (unsigned long i = 0; i < size; i++) {
                buf[i] = 0;
        }
#endif /* !HAVE_MEMSET */

#ifdef HAVE_MLOCKALL
        return mlockall(MCL_CURRENT | MCL_FUTURE);
#else /* !HAVE_MLOCKALL */
        return 0;
#endif /* !HAVE_MLOCKALL */
}

void mbdyn_signal_init

(

int

pre

)

Definition at line 208 of file solver.cc.

Referenced by InverseSolver::Prepare(), and Solver::Prepare().

{
#ifdef HAVE_SIGNAL
#if defined(__FreeBSD__)
        __sighandler_t *hdl;
#else // ! defined(__FreeBSD__)
        __sighandler_t hdl;
#endif // ! defined(__FreeBSD__)

        if (pre) {
                hdl = mbdyn_really_exit_handler;

        } else {
                hdl = mbdyn_modify_final_time_handler;
        }
        /*
         * FIXME: don't do this if compiling with USE_RTAI
         * Re FIXME: use sigaction() ...
         */
        ::mbdyn_sh_term = signal(SIGTERM, hdl);
        if (::mbdyn_sh_term == SIG_IGN) {
                signal(SIGTERM, SIG_IGN);
        }

        ::mbdyn_sh_int = signal(SIGINT, hdl);
        if (::mbdyn_sh_int == SIG_IGN) {
                signal(SIGINT, SIG_IGN);
        }

#ifdef SIGHUP
        ::mbdyn_sh_hup = signal(SIGHUP, hdl);
        if (::mbdyn_sh_hup == SIG_IGN) {
                signal(SIGHUP, SIG_IGN);
        }
#endif // SIGHUP

#ifdef SIGPIPE
        ::mbdyn_sh_pipe = signal(SIGPIPE, hdl);
        if (::mbdyn_sh_pipe == SIG_IGN) {
                signal(SIGPIPE, SIG_IGN);
        }
#endif // SIGPIPE
#endif /* HAVE_SIGNAL */
}

Variable Documentation

const doublereal dDefaultDerivativesCoefficient = 1.e-6

static

Definition at line 89 of file solver_impl.h.

Referenced by Solver::ReadData().

const doublereal dDefaultDummyStepsRatio = 1.e-3

static

Definition at line 91 of file solver_impl.h.

const doublereal dDefaultDummyStepsTolerance = dDefaultTol

static

Definition at line 102 of file solver_impl.h.

Referenced by Solver::ReadData().

const doublereal dDefaultMaxTimeStep = std::numeric_limits<doublereal>::max()

static

Definition at line 101 of file solver_impl.h.

Referenced by Solver::dGetInitialMaxTimeStep(), and InverseSolver::ReadData().

const doublereal dDefaultMinTimeStep = -1.

static

Definition at line 100 of file solver_impl.h.

Referenced by Factor::Init().

const doublereal dDefaultTol = 1.e-6

static

Definition at line 95 of file solver_impl.h.

Referenced by InverseSolver::ReadData(), and Solver::ReadData().

const doublereal defaultIterativeEtaMax = 0.9

static

Definition at line 96 of file solver_impl.h.

const doublereal defaultIterativeTau = 1.e-7

static

Definition at line 97 of file solver_impl.h.

const integer iDefaultDummyStepsNumber = 0

static

Definition at line 90 of file solver_impl.h.

Referenced by Solver::ReadData().

const integer iDefaultIterationsBeforeAssembly = 2

static

Definition at line 92 of file solver_impl.h.

Referenced by InverseSolver::ReadData(), and Solver::ReadData().

const integer iDefaultIterativeSolversMaxSteps = 100

static

Definition at line 93 of file solver_impl.h.

const integer iDefaultMaxIterations = 1

static

Definition at line 99 of file solver_impl.h.

Referenced by InverseSolver::ReadData(), and Solver::ReadData().

const integer iDefaultPreconditionerSteps = 20

static

Definition at line 94 of file solver_impl.h.