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Searched refs:zeropivot (Results 1 – 17 of 17) sorted by relevance

/petsc/src/ksp/pc/impls/factor/
H A Dfactimpl.c20 ilu->info.zeropivot = z; in PCFactorSetZeroPivot_Factor()
100 *pivot = ilu->info.zeropivot; in PCFactorGetZeroPivot_Factor()
233 …d zero if less than", "PCFactorSetZeroPivot", factor->info.zeropivot, &factor->info.zeropivot, NUL… in PCSetFromOptions_Factor()
288 …PetscViewerASCIIPrintf(viewer, " tolerance for zero pivot %g\n", (double)factor->info.zeropivot)); in PCView_Factor()
H A Dfactor.c700 fact->info.zeropivot = 100.0 * PETSC_MACHINE_EPSILON; in PCFactorInitialize()
/petsc/src/mat/tests/
H A Dex30.c99 info.zeropivot = 0.0; in main()
169 info.zeropivot = 0.0; in main()
H A Dex7.c70 luinfo.zeropivot = 1.e-14; in main()
H A Dex15.c80 info.zeropivot = 1.e-14; in main()
H A Dex128.c78 info.zeropivot = 0.0; in main()
H A Dex48.c159 info.zeropivot = 1.e-14; in main()
/petsc/src/binding/petsc4py/src/petsc4py/PETSc/
H A Dpetscmat.pxi445 PetscReal zeropivot, pivotinblocks
1129 cdef zeropivot = options.pop('zeropivot', None)
1130 if zeropivot is not None:
1131 info.zeropivot = asReal(zeropivot)
H A DPC.pyx1399 zeropivot: float | None = None,
1407 zeropivot
1418 if zeropivot is not None:
1419 rval = asReal(zeropivot)
/petsc/src/binding/petsc4py/src/lib-petsc/
H A Dcustom.h251 info->zeropivot = (PetscReal)100.0*PETSC_MACHINE_EPSILON; in MatFactorInfoDefaults()
256 info->zeropivot = (PetscReal)100.0*PETSC_MACHINE_EPSILON; in MatFactorInfoDefaults()
/petsc/src/mat/impls/aij/seq/
H A Daijfact.c244 sctx.shift_top = info->zeropivot; in MatLUFactorNumeric_SeqAIJ()
423 sctx.shift_top = info->zeropivot; in MatLUFactorNumeric_SeqAIJ_inplace()
582 sctx.shift_top = info->zeropivot; in MatLUFactorNumeric_SeqAIJ_InplaceWithPerm()
622 if (sctx.shift_top < info->zeropivot) sctx.shift_top = info->zeropivot; in MatLUFactorNumeric_SeqAIJ_InplaceWithPerm()
1728 sctx.shift_top = info->zeropivot; in MatCholeskyFactorNumeric_SeqAIJ()
1895 sctx.shift_top = info->zeropivot; in MatCholeskyFactorNumeric_SeqAIJ_inplace()
H A Dinode.c1223 sctx.shift_top = info->zeropivot; in MatLUFactorNumeric_SeqAIJ_Inode()
2425 PetscReal zeropivot = 100. * PETSC_MACHINE_EPSILON, shift = 0.0; in MatInvertDiagonalForSOR_SeqAIJ_Inode() local
2458 if (PetscAbsScalar(ibdiag[cnt]) < zeropivot) { in MatInvertDiagonalForSOR_SeqAIJ_Inode()
/petsc/include/petsc/private/
H A Dmatimpl.h792 PetscReal _zero = info->zeropivot * _rs; in MatPivotCheck_nz()
810 PetscReal _zero = info->zeropivot * _rs; in MatPivotCheck_pd()
832 PetscReal _zero = info->zeropivot; in MatPivotCheck_inblocks()
846 PetscReal _zero = info->zeropivot; in MatPivotCheck_none()
/petsc/src/mat/impls/sbaij/seq/
H A Dsbaijfact.c1367 sctx.shift_top = info->zeropivot; in MatCholeskyFactorNumeric_SeqSBAIJ_1_NaturalOrdering()
/petsc/src/mat/impls/baij/seq/
H A Dbaijfact.c472 sctx.shift_top = info->zeropivot; in MatLUFactorNumeric_SeqBAIJ_1()
/petsc/include/
H A Dpetscmat.h1543 PetscReal zeropivot; /* pivot is called zero if less than this */ member
/petsc/doc/faq/
H A Dindex.md1907 (zeropivot)=