December 2011
Intermediate to advanced
436 pages
18h 7m
English
book
Real-Time Digital Signal Processing from MATLAB® to C with the TMS320C6x DSPs, Second Edition, 2nd Edition
by Thad B. Welch, Cameron H.G. Wright, Michael G. Morrow
Content preview from Real-Time Digital Signal Processing from MATLAB® to C with the TMS320C6x DSPs, Second Edition, 2nd Edition
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356 APPENDIX C. NUMERIC REPRESENTATIONS
After converting both numbers to the same exponent by converting Operand2 to an expo-
nent of 151 (10010111
2
), the mantissa addition would take place as shown below (exponents
not shown).
1.MMM MMMM MMMM MMMM MMMM MMMM MMMM MMMM MMMM MMMM MMMM
Mantissa1 1.000 0000 0000 0000 0000 0000 ---- ---- ---- ---- ----
Mantissa2 0.000 0000 0000 0000 0000 0000 1000 0000 0000 0000 0000
Sum 1.000 0000 0000 0000 0000 0000 1000 0000 0000 0000 0000
Sum mantissa 000 0000 0000 0000 0000 0000
In order to store the resultant mantissa, it must be truncated to 23 bits. When this is done,
it can be seen that the original Operand1 mantissa ...
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