C
C      ________________________________________________________
C     |                                                        |
C     |      COMPUTE THE EIGENVALUES OF A CIRCULANT MATRIX     |
C     |                                                        |
C     |    INPUT:                                              |
C     |                                                        |
C     |         A     --COMPLEX ARRAY CONTAINING FIRST ROW OF  |
C     |                 MATRIX                                 |
C     |                                                        |
C     |         N     --MATRIX DIMENSION                       |
C     |                                                        |
C     |         W     --COMPLEX WORK ARRAY WITH AT LEAST N     |
C     |                 ELEMENTS                               |
C     |                                                        |
C     |    OUTPUT:                                             |
C     |                                                        |
C     |         A     --COMPLEX ARRAY OF EIGENVALUES           |
C     |                                                        |
C     |    PACKAGE SUBROUTINES: FFT                            |
C     |________________________________________________________|
C
      SUBROUTINE OVALS(A,N,W)
      COMPLEX A(1),W(1)
      CALL FFT(A,N,W)
      RETURN
      END