C     QUADRATIC EQUATION SOLVER IN WATFIV
C     SOLVES AX**2 + BX + C = 0
      PROGRAM QUAD
      REAL A, B, C, DISC, X1, X2
      READ(5,100) A, B, C
100   FORMAT(3F10.2)
      DISC = B**2 - 4.0*A*C
      IF(DISC) 200, 300, 400
200   PRINT 201
201   FORMAT(' ROOTS ARE COMPLEX')
      STOP
300   X1 = -B/(2.0*A)
      PRINT 301, X1
301   FORMAT(' DOUBLE ROOT AT X = ', F10.4)
      STOP
400   X1 = (-B + SQRT(DISC))/(2.0*A)
      X2 = (-B - SQRT(DISC))/(2.0*A)
      PRINT 401, X1, X2
401   FORMAT(' ROOTS: X1 = ', F10.4, ' X2 = ', F10.4)
      STOP
      END