Contents:
beta()
round_away()
Beta function used in Meyer and Littlewood-Paley mother wavelets definitions
Function that rounds away from 0 to mimic the Matlab round function.
Examples: 2.3 -> 2 ; 2.7 -> 3 ; 2.5 -> 3
x (number to round)
rounded value
Function found at
https (//stackoverflow.com/questions/59142749/how-to-round-away-from-zero)