8FUNCTIONS: acoviol - CYANA function

Synopsis: acoviol(<integer>,<real>) = <real>

The 'acoviol' function returns the size of the largest torsion angle
restraint violation (in degrees) of the torsion angle <integer> for a
given torsion angle value <real> (in degrees). This function returns
a negative result (-1.0) if no angle restraint exists for the given
angle, and 0.0 if the existing restraint(s) are not violated.
