Lines Matching refs:stpf
366 PetscReal gamma1, p, q, r, s, sgnd, stpc, stpf, stpq, theta;
399 if (PetscAbsReal(stpc - *stx) < PetscAbsReal(stpq - *stx)) stpf = stpc;
400 else stpf = stpc + 0.5 * (stpq - stpc);
421 if (PetscAbsReal(stpc - *stp) > PetscAbsReal(stpq - *stp)) stpf = stpc;
422 else stpf = stpq;
453 if (PetscAbsReal(*stp - stpc) < PetscAbsReal(*stp - stpq)) stpf = stpc;
454 else stpf = stpq;
456 if (PetscAbsReal(*stp - stpc) > PetscAbsReal(*stp - stpq)) stpf = stpc;
457 else stpf = stpq;
477 stpf = stpc;
479 stpf = ls->stepmax;
481 stpf = ls->stepmin;
504 stpf = PetscMin(ls->stepmax, stpf);
505 stpf = PetscMax(ls->stepmin, stpf);
506 *stp = stpf;