const internal/strconv.floatMantBits64

2 uses

	internal/strconv (current package)
		ftoadbox.go#L303: 	floatMantBits64 = 52 // p = 52 for float64.
		ftoadbox.go#L323: 	return (phi.Hi>>(128/2-floatMantBits64-2-beta) + 1) / 2