44   PetscReal umin; /* minimum allowable u'a value relative to |u|_1 */  member
50   PetscReal   nrm, sum, umin = hctx->umin;  in MatMFFDCompute_DS()  local
76     if (PetscAbsScalar(dot) < umin * sum && PetscRealPart(dot) >= 0.0) dot = umin * sum;  in MatMFFDCompute_DS()
77     else if (PetscAbsScalar(dot) < 0.0 && PetscRealPart(dot) > -umin * sum) dot = -umin * sum;  in MatMFFDCompute_DS()
99 …l(PetscViewerASCIIPrintf(viewer, "    umin=%g (minimum iterate parameter)\n", (double)hctx->umin));  in MatMFFDView_DS()
109 …PetscCall(PetscOptionsReal("-mat_mffd_umin", "umin", "MatMFFDDSSetUmin", hctx->umin, &hctx->umin, …  in MatMFFDSetFromOptions_DS()
125 static PetscErrorCode MatMFFDDSSetUmin_DS(Mat mat, PetscReal umin)  in MatMFFDDSSetUmin_DS()  argument
134   hctx->umin = umin;  in MatMFFDDSSetUmin_DS()
155 PetscErrorCode MatMFFDDSSetUmin(Mat A, PetscReal umin)  in MatMFFDDSSetUmin()  argument
159   PetscTryMethod(A, "MatMFFDDSSetUmin_C", (Mat, PetscReal), (A, umin));  in MatMFFDDSSetUmin()
197   hctx->umin = 1.e-6;  in MatCreateMFFD_DS()