Mantissa And Exponent Combination; Reserved Operands - Honeywell UMC800 Reference Manual

Message Exchange Formats

4.6.4 Mantissa and Exponent Combination

Combining the mantissa and exponent from the two previous examples:
Below is a list of sample float values in IEEE 754 format:

4.6.5 Reserved Operands

Per the Standard certain exceptional forms of floating point operands are excluded from the numbering
system. These are as follows:
34
float number = mantissa x 2
float number = 1.5625 x 2
DECIMAL
100.0
-100.0
0.5
-1.75
0.0625
EXCEPTION
+/- Infinity
Not-a-Number (NAN)
Denormalized Number
RS232 Communications Reference Manual
exponent
= 15625
6
. x 64 = 100.0
HEXADECIMAL
42C80000
C2C80000
3F000000
BFE00000
3D800000
EXPONENT MANTISSA
All 1's All 0's
All 1's Other than 0's
All 0's Other than 0's
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