[C++/BF] Fixing error in determination of BCa calculation
[C++/BF] Fixing error in determination of BCa calculation

esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x,esc/Psignifit-3.x