func math.Signbit

11 uses

	math (current package)
		atan2.go#L42: 		if x >= 0 && !Signbit(x) {
		dim.go#L50: 		if Signbit(x) {
		dim.go#L82: 		if Signbit(x) {
		gamma.go#L139: 		if Signbit(x) {
		signbit.go#L8: func Signbit(x float64) bool {

	math/big
		float.go#L554: 	z.neg = math.Signbit(x) // handle -0, -Inf correctly

	google.golang.org/protobuf/internal/impl
		codec_gen.go#L3694: 	if v == 0 && !math.Signbit(float64(v)) {
		codec_gen.go#L3704: 	if v == 0 && !math.Signbit(float64(v)) {
		codec_gen.go#L4642: 	if v == 0 && !math.Signbit(float64(v)) {
		codec_gen.go#L4652: 	if v == 0 && !math.Signbit(float64(v)) {
		message_reflect_field.go#L292: 				return rv.Float() != 0 || math.Signbit(rv.Float())