HP 3000 Manuals HP 3000 Manuals
Comparing IEEE and HP 3000 Real Formats The diagrams below show the formats for IEEE and HP 3000 reals. You can use these for comparison purposes. ------------------------------------------------------------------------------------------------- | | | | | | Bits: | <--1--> | <--8--> | <--23--> | | | | | | ------------------------------------------------------------------------------------------------- | | | | | | E2 | sign | exponent | mantissa | | | | | | ------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------- | | | | | | Bits: | <--1--> | <--9--> | <--22--> | | | | | | ------------------------------------------------------------------------------------------------- | | | | | | R2 | sign | exponent | mantissa | | | | | | ------------------------------------------------------------------------------------------------- The approximate range for E2 and R2 is +/-3.402823*1038. ------------------------------------------------------------------------------------------------- | | | | | | Bits: | <--1--> | <--11--> | <--52--> | | | | | | ------------------------------------------------------------------------------------------------- | | | | | | E4 | sign | exponent | mantissa | | | | | | ------------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------- | | | | | | Bits: | <--1--> | <--9--> | <--54--> | | | | | | ------------------------------------------------------------------------------------------------- | | | | | | R4 | sign | exponent | mantissa | | | | | | ------------------------------------------------------------------------------------------------- The approximate range for E4 and R4 is +/-1.797693134862318*10308.