I need to calculate logarithm base 2 of number very close to 1. for example
log2(0.9999999999999999999999999999999… The expected result is around 2^-80.
I can't calculate it even with Matlab.
Anyone can help me?

I need to calculate logarithm base 2 of number very close to 1. for example
log2(0.9999999999999999999999999999999… The expected result is around 2^-80.
I can't calculate it even with Matlab.
Anyone can help me?