I had a question, maybe for Brady, on a calculation he does in fsk.c.
In lines 1029 - 1036:
https://sourceforge.net/p/freetel/code/HEAD/tree/codec2-dev/src/fsk.c#l1029
you do a series of calculations.
y.real = t1.real - c.real;
y.imag = t1.imag - c.imag;
t.real = t2.real + y.real;
t.imag = t2.imag + y.imag;
c.real = (t.real-t2.real) - y.real;
c.imag = (t.imag-t2.imag) - y.imag;
Rewriting 'c' (substituting 't') I get:
c.real = ((t2.real + y.real) - t2.real) - y.real;
I guess my question is, are you looking for floating point inaccuracy, and
then subtracting any on the next loop?
I was thinking, that otherwise 'c' would always be zero. I'm only on my
first cup of joe though :-)
73,
Steve
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