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/petsc/src/tao/linesearch/impls/morethuente/
H A Dmorethuente.c38 PetscReal dgx, dgy, dg, dg2, fx, fy, stx, sty, dgtest; in TaoLineSearchApply_MT() local
95 dgtest = ls->ftol * dginit; in TaoLineSearchApply_MT()
178 ftest1 = finit + ls->step * dgtest; in TaoLineSearchApply_MT()
179 if (ls->bounded) ftest2 = finit + ls->step * dgtest * ls->ftol; in TaoLineSearchApply_MT()
201 if (ls->step == ls->stepmax && *f <= ftest1 && dg <= dgtest) { in TaoLineSearchApply_MT()
206 if (ls->step == ls->stepmin && *f >= ftest1 && dg >= dgtest) { in TaoLineSearchApply_MT()
228 fm = *f - ls->step * dgtest; /* Define modified function */ in TaoLineSearchApply_MT()
229 fxm = fx - stx * dgtest; /* and derivatives */ in TaoLineSearchApply_MT()
230 fym = fy - sty * dgtest; in TaoLineSearchApply_MT()
231 dgm = dg - dgtest; in TaoLineSearchApply_MT()
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