func math/big.msb64

5 uses

	math/big (current package)
		float.go#L707: func msb64(x nat) uint64 {
		float.go#L751: 			u := msb64(x.mant) >> (64 - uint32(x.exp))
		float.go#L796: 			i := int64(msb64(x.mant) >> (64 - uint32(x.exp)))
		float.go#L1042: 			mant = msb64(r.mant) >> uint(fbits-p)
		float.go#L1046: 			mant = msb64(r.mant) >> ebits & (1<