Variables p2-p9 are booleans, so combination of logical negation
and use of bit and/or operations in lines 2823 and 2824 results
in the following warning from gcc:
warning: suggest parentheses around operand of ‘!’ or change ‘&’
to ‘&&’ or ‘!’ to ‘~’ [-Wparentheses]

- Saliency stl array instead of pointer array added
- Perf test in Extra Repository
- Epsilon change to 10E-3