const math.SmallestNonzeroFloat64

3 uses

	math (current package)
		const.go#L35: 	SmallestNonzeroFloat64 = 0x1p-1022 * 0x1p-52            // 4.9406564584124654417656879286822137236505980e-324

	math/big
		float.go#L1005: 					return -math.SmallestNonzeroFloat64, Below
		float.go#L1007: 				return math.SmallestNonzeroFloat64, Above