%N rangleh %F $MIR/src/subs/angles.for
%D Convert degrees value (in radians) into a formatted string.
%P jm
%: utilities
%B
      character*(*) function rangleh(theta)

      double precision theta
  ---------------------------------------------------------------------
  Convert an angle expressed in radians into a string.  Gives one more
  decimal place than rangle in the seconds string.

  Inputs:
    theta    Angle in radians.

  Output:
    rangleh  Angle formated into a string with format:
               [+/-]DD:MM:SS.SSS
