In this assignment you will do a software
implementation of the Floating Point Adder.
Assignment is to be done in CPP (can STL header files)
Assume that each of the boxes numbered 1,
2, 3, and 4 require one clock cycle, and the
condition checks require zero time.
Inputs to the program will
be:
1.
A text file with each line containing a pair of floating point numbers
to be added, in binary representation (a string of ‘0’ and ‘1’ characters in
the file). See sample below.
Sample Input
File (each line contains the representation for 2 floating point numbers,
both 32 bits
wide):
11001100110011001111110011001100
11001100110011001111110011001100
01001110110011001111110011001101
11001100110111001101110011001110
*Refer to conversion of binary to
floating point from the text book
Outputs from the program will
be:
1. A sequence of
addition results, each line containing one result (a string of ‘0’ and ‘1’
characters) and the number of clock
cycles required for performing the addition.
Sample
Output File (just examples. These are not be the computed outputs for the above
input file):
11001110110011001111110011001101
01001110110011001111110011001101
Deliverables:
1. Software implementation of the
floating point adder referred to above.
2. Test files used to verify your
program. Remember to test for special cases such as
Overflow, Underflow, Normalized result,
etc.
3. A document explaining the different
test cases.
Note:
Marks will be awarded
according to your design and the test cases you developed to
evaluate the design.
Extensive testing is expected as a part of the Assignment.
Handle cases with input values being NaN or infinite, you may not show result
for invalid inputs. But you can display cycles taken to recognize them as
invalid.
Reference material:
Chapter 3.5 ( pg no: 196)
ComputerOrganizationAndDesign5thEdition by david Patterson
and john hennessy : TEXT BOOK
https://ict.iitk.ac.in/wp-content/uploads/CS422-Computer-Architecture-ComputerOrganizationAndDesign5thEdition2014.pdf
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