Re: how to decide the value of SF


<spamtrap@xxxxxxxxxx> wrote in message
news:1161530555.058192.245010@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
if sub ax,ax(two numbers compared,the resulst is neither a plus nor
a negative )
how to determine the value of SF?
thanks for your help...


I don't know.

This is the definition of zero, from Wolfram's Mathworld:
http://mathworld.wolfram.com/Zero.html

However, despite the definition of zero being neither positive or negative,
I do know that certain mathematical problems seem to generate incorrect
results without a signed zero, at least for complex numbers. Someone posted
this link, IIRC, on comp.lang.c:
http://www-personal.umich.edu/~williams/archive/forth/complex/borda.html

Wolfram's Mathworld on Complex Numbers:
http://mathworld.wolfram.com/ComplexNumber.html


Rod Pemberton

.

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