16   PetscReal    umin;             /* minimum allowable u'a value relative to |u|_1 */  member
55 …ll(PetscViewerASCIIPrintf(viewer, "    umin=%g (minimum iterate parameter)\n", (double)ctx->umin));  in SNESMatrixFreeView2_Private()
73   PetscReal      h, norm, sum, umin, noise;  in SNESMatrixFreeMult2_Private()  local
91   umin = ctx->umin;  in SNESMatrixFreeMult2_Private()
130       } else if (PetscAbsScalar(dot) < umin * sum && PetscRealPart(dot) >= 0.0) dot = umin * sum;  in SNESMatrixFreeMult2_Private()
131       else if (PetscAbsScalar(dot) < 0.0 && PetscRealPart(dot) > -umin * sum) dot = -umin * sum;  in SNESMatrixFreeMult2_Private()
211   mfctx->umin             = 1.e-6;  in MatCreateSNESMFMore()
222 …l(((PetscObject)snes)->options, ((PetscObject)snes)->prefix, "-snes_mf_umin", &mfctx->umin, NULL));  in MatCreateSNESMFMore()
240 …bject)snes), "   %ssnes_mf_umin <umin>: see users manual (default %g)\n", p, (double)mfctx->umin));  in MatCreateSNESMFMore()
286 PetscErrorCode MatSNESMFMoreSetParameters(Mat mat, PetscReal error, PetscReal umin, PetscReal h)  in MatSNESMFMoreSetParameters()  argument
294     if (umin != (PetscReal)PETSC_DEFAULT) ctx->umin = umin;  in MatSNESMFMoreSetParameters()