const internal/strconv.float64MantBits

9 uses

	internal/strconv (current package)
		atofeisel.go#L86: 	retBits := retExp2<<float64MantBits | retMantissa&(1<<float64MantBits-1)
		ftoa.go#L28: 	float64MantBits = 52
		ftoa.go#L35: 	float64info = floatInfo{float64MantBits, float64ExpBits, float64Bias}
		ftoadbox.go#L34: 	if mant == 1<<float64MantBits && !denorm {
		ftoadbox.go#L309: 	left = (φ.Hi - (φ.Hi >> (float64MantBits + 2))) >> (64 - float64MantBits - 1 - β)
		ftoadbox.go#L310: 	right = (φ.Hi + (φ.Hi >> (float64MantBits + 1))) >> (64 - float64MantBits - 1 - β)