*-- Author :    I.O.Skillicorn
      SUBROUTINE FAUSSJ(A,N,NP,B,M,MP)
**: FAUSSJ.......SM. New routine for monitoring. Moved to ft_newf                                             
**----------------------------------------------------------------------                                      
      PARAMETER (NMAX=50)                                               
      DIMENSION A(NP,NP),B(NP,MP),IPIV(NMAX),INDXR(NMAX),INDXC(NMAX)    
      DO 11 J=1,N                                                       
      IPIV(J)=0                                                         
 11   CONTINUE                                                          
      DO 22I=1,N                                                        
      BIG=0.                                                            
      DO 13 J=1,N                                                       
      IF(IPIV(J).NE.1)THEN                                              
      DO 12 K=1,N                                                       
      IF(IPIV(K).EQ.0)THEN                                              
      IF(ABS(A(J,K)).GE.BIG)THEN                                        
      BIG=ABS(A(J,K))                                                   
      IROW=J                                                            
      ICOL=K                                                            
      ENDIF                                                             
      ELSEIF(IPIV(K).GT.1)THEN                                          
*     WRITE(*,*)' SINGULAR MATRIX '                                                                           
      RETURN                                                            
      ENDIF                                                             
 12   CONTINUE                                                          
      ENDIF                                                             
 13   CONTINUE                                                          
      IPIV(ICOL)=IPIV(ICOL)+1                                           
C                                                                                                             
      IF(IROW.NE.ICOL)THEN                                              
      DO 14 L=1,N                                                       
      DUM=A(IROW,L)                                                     
      A(IROW,L)=A(ICOL,L)                                               
      A(ICOL,L)=DUM                                                     
  14  CONTINUE                                                          
      DO 15 L=1,M                                                       
      DUM=B(IROW,L)                                                     
      B(IROW,L)=B(ICOL,L)                                               
      B(ICOL,L)=DUM                                                     
 15   CONTINUE                                                          
      ENDIF                                                             
      INDXR(I)=IROW                                                     
      INDXC(I)=ICOL                                                     
      IF(A(ICOL,ICOL).EQ.0.)THEN                                        
*     WRITE(*,*)' SINGULAR MATRIX '                                                                           
      RETURN                                                            
      ENDIF                                                             
      PIVINV=1./A(ICOL,ICOL)                                            
      A(ICOL,ICOL)=1.                                                   
      DO 16 L=1,N                                                       
      A(ICOL,L)=A(ICOL,L)*PIVINV                                        
 16   CONTINUE                                                          
      DO 17 L=1,M                                                       
      B(ICOL,L)=B(ICOL,L)*PIVINV                                        
 17   CONTINUE                                                          
      DO 21 LL=1,N                                                      
      IF(LL.NE.ICOL)THEN                                                
      DUM=A(LL,ICOL)                                                    
      A(LL,ICOL)=0.                                                     
      DO 18 L=1,N                                                       
      A(LL,L)=A(LL,L)-A(ICOL,L)*DUM                                     
 18   CONTINUE                                                          
      DO 19 L=1,M                                                       
      B(LL,L)=B(LL,L)-B(ICOL,L)*DUM                                     
 19   CONTINUE                                                          
      ENDIF                                                             
 21   CONTINUE                                                          
 22   CONTINUE                                                          
      DO 24 L=N,1,-1                                                    
      IF(INDXR(L).NE.INDXC(L))THEN                                      
      DO 23 K=1,N                                                       
      DUM=A(K,INDXR(L))                                                 
      A(K,INDXR(L))=A(K,INDXC(L))                                       
      A(K,INDXC(L))=DUM                                                 
 23   CONTINUE                                                          
      ENDIF                                                             
 24   CONTINUE                                                          
      RETURN                                                            
      END                                                               
*