return a == nil && f > Cf2 || a != nil && f < -Cf2
}

func fNeqSliceEqSlice(a []int, f float64) bool {
	return a != nil && f > Cf2 || a == nil && f < -Cf2
}

func fNeqSliceNeqSlice(a []int, f float64) bool {
	return a != nil && f > Cf2 || a != nil && f < -Cf2 // ERROR "Redirect IsNonNil based on IsNonNil$"
}

func fPhi(a, b string) string {