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Searched refs:actred (Results 1 – 4 of 4) sorted by relevance

/external/eigen/unsupported/Eigen/src/LevenbergMarquardt/
DLMonestep.h27 RealScalar pnorm, xnorm, fnorm1, actred, dirder, prered; in minimizeOneStep() local
110 actred = -1.; in minimizeOneStep()
112 actred = 1. - numext::abs2(fnorm1 / m_fnorm); in minimizeOneStep()
126 ratio = actred / prered; in minimizeOneStep()
130 if (actred >= 0.) in minimizeOneStep()
132 if (actred < 0.) in minimizeOneStep()
133 temp = RealScalar(.5) * dirder / (dirder + RealScalar(.5) * actred); in minimizeOneStep()
156 …if (abs(actred) <= m_ftol && prered <= m_ftol && Scalar(.5) * ratio <= 1. && m_delta <= m_xtol * x… in minimizeOneStep()
161 if (abs(actred) <= m_ftol && prered <= m_ftol && Scalar(.5) * ratio <= 1.) in minimizeOneStep()
178 …if (abs(actred) <= NumTraits<Scalar>::epsilon() && prered <= NumTraits<Scalar>::epsilon() && Scala… in minimizeOneStep()
/external/eigen/unsupported/Eigen/src/NonLinearOptimization/
DLevenbergMarquardt.h128 Scalar pnorm, xnorm, fnorm1, actred, dirder, prered; variable
293 actred = -1.; in minimizeOneStep()
295 actred = 1. - numext::abs2(fnorm1 / fnorm); in minimizeOneStep()
309 ratio = actred / prered; in minimizeOneStep()
313 if (actred >= 0.) in minimizeOneStep()
315 if (actred < 0.) in minimizeOneStep()
316 temp = Scalar(.5) * dirder / (dirder + Scalar(.5) * actred); in minimizeOneStep()
339 …if (abs(actred) <= parameters.ftol && prered <= parameters.ftol && Scalar(.5) * ratio <= 1. && del… in minimizeOneStep()
341 if (abs(actred) <= parameters.ftol && prered <= parameters.ftol && Scalar(.5) * ratio <= 1.) in minimizeOneStep()
349 …if (abs(actred) <= NumTraits<Scalar>::epsilon() && prered <= NumTraits<Scalar>::epsilon() && Scala… in minimizeOneStep()
[all …]
DHybridNonLinearSolver.h112 Scalar actred, prered; variable
255 actred = -1.; in solveOneStep()
257 actred = 1. - numext::abs2(fnorm1 / fnorm); in solveOneStep()
269 ratio = actred / prered; in solveOneStep()
299 if (actred >= Scalar(.001)) in solveOneStep()
303 if (actred >= Scalar(.1)) in solveOneStep()
498 actred = -1.; in solveNumericalDiffOneStep()
500 actred = 1. - numext::abs2(fnorm1 / fnorm); in solveNumericalDiffOneStep()
512 ratio = actred / prered; in solveNumericalDiffOneStep()
542 if (actred >= Scalar(.001)) in solveNumericalDiffOneStep()
[all …]
/external/lmfit/lib/
Dlmmin.c128 double actred, dirder, fnorm, fnorm1, gnorm, pnorm, prered, ratio, step, in lmmin() local
433 actred = 1 - SQR(fnorm1 / fnorm); in lmmin()
436 ratio = prered ? actred / prered : 0; in lmmin()
453 if (actred >= 0) in lmmin()
455 else if (actred > -99) /* -99 = 1-1/0.1^2 */ in lmmin()
456 temp = MAX(dirder / (2*dirder + actred), 0.1); in lmmin()
498 if (fabs(actred) <= C->ftol && prered <= C->ftol && ratio <= 2) in lmmin()
511 if (fabs(actred) <= LM_MACHEP && prered <= LM_MACHEP && in lmmin()