75   PetscReal   xmin, xmax, ymin, ymax;  in PetscDrawLGSPDraw()  local
94   ymax = PetscMax(lg->ymax, sp->ymax);  in PetscDrawLGSPDraw()
95   PetscCall(PetscDrawAxisSetLimits(lg->axis, xmin, xmax, ymin, ymax));  in PetscDrawLGSPDraw()
167   lg->ymax    = -1.e20;  in PetscDrawLGCreate()
366   (lg)->ymax = y_max;  in PetscDrawLGSetLimits()
389   lg->ymax  = -1.e20;  in PetscDrawLGReset()
469   PetscReal   xmin, xmax, ymin, ymax;  in PetscDrawLGDraw()  local
487   ymax = lg->ymax;  in PetscDrawLGDraw()
489   if (ymax - ymin < PETSC_SMALL) {  in PetscDrawLGDraw()
490     ymin -= 0.1 * ymax;  in PetscDrawLGDraw()
491     ymax += 0.1 * ymax;  in PetscDrawLGDraw()
493   PetscCall(PetscDrawAxisSetLimits(lg->axis, xmin, xmax, ymin, ymax));  in PetscDrawLGDraw()
580   PetscReal xmin = lg->xmin, xmax = lg->xmax, ymin = lg->ymin, ymax = lg->ymax;  in PetscDrawLGView()  local
587   if (xmin > xmax || ymin > ymax) PetscFunctionReturn(PETSC_SUCCESS);  in PetscDrawLGView()