func internal/strconv.dboxMulPow64

2 uses

	internal/strconv (current package)
		ftoadbox.go#L68: 	zi, exact := dboxMulPow64(uint64(mant*2+1)<<β, φ)
		ftoadbox.go#L248: func dboxMulPow64(u uint64, phi uint128) (intPart uint64, isInt bool) {