Searched refs:exact_norm (Results 1 – 1 of 1) sorted by relevance
| /petsc/src/ksp/ksp/impls/lsqr/ |
| H A D | lsqr.c | 20 PetscBool exact_norm; /* flag for -ksp_lsqr_exact_mat_norm */ member
148 if (lsqr->exact_norm) PetscCall(MatNorm(Amat, NORM_FROBENIUS, &lsqr->anorm)); in KSPSolve_LSQR()
166 …if (!lsqr->exact_norm) lsqr->anorm = PetscSqrtReal(PetscSqr(lsqr->anorm) + PetscSqr(alpha) + Petsc… in KSPSolve_LSQR()
310 lsqr->exact_norm = flg; in KSPLSQRSetExactMatNorm()
524 …teratively refined estimate", "KSPLSQRSetExactMatNorm", lsqr->exact_norm, &lsqr->exact_norm, NULL)… in KSPSetFromOptions_LSQR()
545 if (lsqr->exact_norm) { in KSPView_LSQR()
600 …rm, (double)ksp->rtol, (double)ksp->rnorm0, (double)ksp->abstol, lsqr->exact_norm ? "exact" : "app… in KSPLSQRConvergedDefault()
604 …(double)ksp->abstol, lsqr->exact_norm ? "exact" : "approx.", (double)lsqr->anorm, (double)rnorm, n… in KSPLSQRConvergedDefault()
653 lsqr->exact_norm = PETSC_FALSE; in KSPCreate_LSQR()
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