Replaced separate sqrt variable with pow(.., 0.5)
Replaced separate sqrt variable with pow(.., 0.5)

roofit-dev/parallel-roofit-scripts,roofit-dev/parallel-roofit-scripts,roofit-dev/parallel-roofit-scripts,roofit-dev/parallel-roofit-scripts,roofit-dev/parallel-roofit-scripts