?? bin_to_deci.m
字號(hào):
function [x]=bin_to_deci(b0,b);
% [X]=BDC(b0,b)
%
% Binary-to-Decimal conversion
%
% b0 : sign bit ( 0 represent + sign, and 1 represents - sign)
% y : binary bits after the binary point
% x : a constant in decimal
N=length(b); % finds the bit precision, B
y=0;
for i=1:N,
y=y+b(i)*2^(-i); % for x >0, converts from binary to decimal
end
x=-b0+y;
if x < 0
[b0,b,bb]=deci_to_bin(x,N+1); %+1 bit is for sign
y=0;
for i=1:N,
y=y+b(i)*2^(-i); % for x < 0, converts from binary to decimal
end
end
x=-b0+y;
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