Searched refs:rznorm (Results 1 – 1 of 1) sorted by relevance
| /petsc/src/tao/leastsquares/impls/pounders/ |
| H A D | gqt.c | 220 …anorm, bnorm, parc, parf, parl, pars, par = *retpar, paru, prod, rxnorm, rznorm = 0.0, temp, xnorm; in gqt() local
314 PetscCall(estsv(n, a, lda, &rznorm, z)); in gqt()
316 pars = PetscMax(pars, par - rznorm * rznorm); in gqt()
330 rznorm = PetscAbs(alpha) * rznorm; in gqt()
331 if ((rznorm * rznorm + par * xnorm * xnorm) / (delta2) <= par) rednc = 1; in gqt()
333 …if (p5 * rznorm * rznorm / delta2 <= rtol * (1.0 - p5 * rtol) * (par + rxnorm * rxnorm / delta2)) { in gqt()
413 f = -p5 * (rxnorm * rxnorm + par * delta * delta - rznorm * rznorm); in gqt()
|