!-------------------------------------- LICENCE BEGIN ------------------------------------
!Environment Canada - Atmospheric Science and Technology License/Disclaimer,
!                     version 3; Last Modified: May 7, 2008.
!This is free but copyrighted software; you can use/redistribute/modify it under the terms
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!

      SUBROUTINE NMODES 1,1
#if defined (DOC)
*
***s/r NMODES  - Main subroutine to control the computation of the normal modes.
*
*Author  : Luc Fillion - RPN/AES -  Sep 93
*
*Revision: Luc Fillion - RPN/AES -  Oct 96
*           - Strict use of VLEV and nflev and for CVCORD.ne.'PRESS'
*
#endif
      IMPLICIT NONE
*implicits
#include "comdim.cdk"
#include "comode.cdk"
#include "comlun.cdk"
*
C
*MODULES
      EXTERNAL HOUGH
*
**
C
C* 1. PRINT THE BASIC INFORMATION TO COMPUTE THE NORMAL MODES
C     -------------------------------------------------------
C
 100  CONTINUE
      IF(NFLEV.EQ.1) THEN
         WRITE(UNIT=NULOUT,FMT=9101) BRTPHGT
 9101    FORMAT(//," *******************************"
     S        ,"NFLEV.EQ.1 , BAROTROPIC CASE"
     S        ,"VERTICAL MODE PROBLEM SKIPPED"
     S        ,"USE SPECIFIED BAROTROPIC HEIGHT "
     S        ,"BRTPHGT (METERS) = ",F12.4/)
      ENDIF
C
C* 2. PERFORM THE NORMAL MODE CONSTRUCTION
C     ------------------------------------
C
 200  CONTINUE
      CALL HOUGH ( NULOUT )
C
C
      RETURN
      END