const math/big.ToNegativeInf

4 uses

	math/big (current package)
		float.go#L140: 	ToNegativeInf                     // == IEEE 754-2008 roundTowardNegative
		float.go#L454: 		case ToNegativeInf:
		float.go#L1478: 		if z.form == zero && z.mode == ToNegativeInf && z.acc == Exact {
		float.go#L1545: 		if z.form == zero && z.mode == ToNegativeInf && z.acc == Exact {