Special Double-Precision Values; Hex And Decimal Representation For Selected Double-Precision Values - Texas Instruments TMS320C6000 Series Reference Manual

Overview of IEEE Standard Single- and Double-Precision Formats
Table 4–7. Special Double-Precision Values
Table 4–8. Hex and Decimal Representation for Selected Double-Precision Values
4-10
Table 4–7 shows the s,e, and f values for special double-precision floating-
point numbers.
Symbol
+0
–0
+Inf
–Inf
NaN
QNaN
SNaN
Table 4–8 shows hex and decimal values for some double-precision floating-
point numbers.
Symbol Hex Value
NaN_out 0x7FFF FFFF FFFF FFFF
0 0x0000 0000 0000 0000
–0 0x8000 0000 0000 0000
1 0x3FF0 0000 0000 0000
2 0x4000 0000 0000 0000
LFPN 0x7FEF FFFF FFFF FFFF
SFPN 0x0010 0000 0000 0000
LDFPN 0x000F FFFF FFFF FFFF
SDFPN 0x0000 0000 0000 0001
Sign (s) Exponent (e)
0 0
1 0
0 2047
1 2047
x 2047
x 2047
x 2047
Fraction (f)
0
0
0
0
nonzero
1xx..x
0xx..x and nonzero
Decimal Value
QNaN
0.0
–0.0
1.0
2.0
1.7976931348623157e+308
2.2250738585072014e–308
2.2250738585072009e–308
4.9406564584124654e–324