Updated operation of ComplexNumber structure such it will used cached angle and magnitude values when these are provided to improve accuracy and operational speed.
Updated operation of ComplexNumber structure such it will used cached angle and magnitude values when these are provided to improve accuracy and operational speed.

git-tfs-id: [https://tfs.codeplex.com/tfs/TFS07]$/gsf/Main;C81818

rmc00/gsf,GridProtectionAlliance/gsf,rmc00/gsf,GridProtectionAlliance/gsf,rmc00/gsf,rmc00/gsf,GridProtectionAlliance/gsf,GridProtectionAlliance/gsf,rmc00/gsf,GridProtectionAlliance/gsf,rmc00/gsf,GridProtectionAlliance/gsf,rmc00/gsf,GridProtectionAlliance/gsf,GridProtectionAlliance/gsf