fix compilier warnings for radians() and float()
fix compilier warnings for radians() and float()

msalehmsft/lightning,JustAddWires/galileo-sdk,ms-iot/lightning,JustAddWires/galileo-sdk,ms-iot/lightning,ms-iot/lightning,ms-iot/lightning,msalehmsft/lightning,JustAddWires/galileo-sdk