conversion.py

Created on March 24, 2022

538 Bytes

#0=>+
#1=>-

#ex : 

#0111 = 7
#1111 = -7

quand on fait complement, faire
gaffe a garder le bit de signe

sans bit de signe on peut 
représenter de 0 à 2^(n) -1
avec => -2^(n-1)<=n<=2^(n-1)-1

-> virgule fixe

virgule au rang k
________________________________
2^(n-1-k)   2^0,2^(-1)    2^(-k)
________________________________
(toujours avec le bit de signe)

-> virgule flottante

M*B^E

sur 32bits:
_____________
SE  E    M
_____________
1b 8b   23b

sur 64bits:
_____________
SE  E    M
_____________
1b 11b  52b

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