Ieee Floating-Point Notations - Texas Instruments TMS320C6000 Series Reference Manual

Table 4–4. IEEE Floating-Point Notations
Overview of IEEE Standard Single- and Double-Precision Formats
Symbol
s
e
f
x
NaN
SNaN
QNaN
NaN_out
Inf
LFPN
SFPN
LDFPN
SDFPN
signed Inf
signed NaN_out
Meaning
Sign bit
Exponent field
Fraction (mantissa) field
Can have value of 0 or 1 (don't care)
Not-a-Number (SNaN or QNaN)
Signal NaN
Quiet NaN
QNaN with all bits in the f field= 1
Infinity
Largest floating-point number
Smallest floating-point number
Largest denormalized floating-point number
Smallest denormalized floating-point number
+infinity or –infinity
NaN_out with s = 0 or 1
TMS320C67x Floating-Point Instruction Set 4-7