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  • Committer: Package Import Robot
  • Author(s): Ole Streicher
  • Date: 2014-04-22 14:44:58 UTC
  • Revision ID: package-import@ubuntu.com-20140422144458-okiwi1assxkkiz39
Tags: upstream-13.09pl1.2+dfsg
Import upstream version 13.09pl1.2+dfsg

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applic/fit/libsrc/poly3d.for
 
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C @(#)poly3d.for        19.1 (ES0-DMD) 02/25/03 13:17:43
 
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C===========================================================================
 
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C Copyright (C) 1995 European Southern Observatory (ESO)
 
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C
 
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C This program is free software; you can redistribute it and/or 
 
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C modify it under the terms of the GNU General Public License as 
 
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C published by the Free Software Foundation; either version 2 of 
 
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C the License, or (at your option) any later version.
 
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C
 
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C This program is distributed in the hope that it will be useful,
 
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C but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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C MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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C GNU General Public License for more details.
 
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C
 
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C You should have received a copy of the GNU General Public 
 
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C License along with this program; if not, write to the Free 
 
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C Software Foundation, Inc., 675 Massachusetss Ave, Cambridge, 
 
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C MA 02139, USA.
 
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C
 
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C Corresponding concerning ESO-MIDAS should be addressed as follows:
 
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C       Internet e-mail: midas@eso.org
 
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C       Postal address: European Southern Observatory
 
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C                       Data Management Division 
 
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C                       Karl-Schwarzschild-Strasse 2
 
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C                       D 85748 Garching bei Muenchen 
 
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C                       GERMANY
 
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C===========================================================================
 
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C
 
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      SUBROUTINE POLY3D(X,NP,PARAM,Y1,DERIV)                                    
 
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C+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++                  
 
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C.COPYRIGHT: Copyright (c) 1987 European Southern Observatory,                  
 
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C                                         all rights reserved                   
 
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C                                                                               
 
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C.VERSION: 1.0  ESO-FORTRAN Conversion, AA  18:01 - 21 DEC 1987                 
 
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C                                                                               
 
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C.LANGUAGE: F77+ESOext                                                          
 
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C                                                                               
 
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C.AUTHOR: J.D.PONZ                                                              
 
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C                                                                               
 
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C--------------------------------------------------------------                 
 
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C*********************************************                                  
 
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C                                                                               
 
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C      IMPLICIT NONE                                                            
 
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C  FIT WITH A THREE-DIMENSIONAL POLYNOMIAL                                      
 
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C                                                                               
 
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C*********************************************                                  
 
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C                                                                               
 
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C Author: O.-G. Richter, ESO Garching                                           
 
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C                                                                               
 
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      INTEGER I,J,K,L,NP,MAX
 
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      REAL X(3),A                                                            
 
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      DOUBLE PRECISION Y1,PARAM(NP),DERIV(NP)                                   
 
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C                                                                               
 
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      PARAMETER (MAX=4)                                                         
 
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      DOUBLE PRECISION B(MAX,MAX,MAX),C(MAX*MAX*MAX)                            
 
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C                                                                               
 
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      A      = 1.0D0                                                            
 
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      DO 10 I = 1,MAX                                                           
 
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          B(1,1,I) = A                                                          
 
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          A      = A*X(1)                                                       
 
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   10 CONTINUE                                                                  
 
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      DO 30 I = 2,MAX                                                           
 
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          DO 20 J = 1,MAX                                                       
 
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              B(1,I,J) = B(1,I-1,J)*X(2)                                        
 
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   20     CONTINUE                                                              
 
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   30 CONTINUE                                                                  
 
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      DO 60 I = 2,MAX                                                           
 
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          DO 50 J = 1,MAX                                                       
 
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              DO 40 K = 1,MAX                                                   
 
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                  B(I,J,K) = B(I-1,J,K)*X(3)                                    
 
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   40         CONTINUE                                                          
 
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   50     CONTINUE                                                              
 
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   60 CONTINUE                                                                  
 
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      L      = 0                                                                
 
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      DO 90 I = 1,MAX                                                           
 
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          DO 80 J = 1,I                                                         
 
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              DO 70 K = 1,J                                                     
 
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                  L      = L + 1                                                
 
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                  C(L)   = B(K,J-K+1,I-J+1)                                     
 
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   70         CONTINUE                                                          
 
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   80     CONTINUE                                                              
 
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   90 CONTINUE                                                                  
 
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      Y1     = 0.0D0                                                            
 
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      DO 100 I = 1,NP                                                           
 
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          DERIV(I) = C(I)                                                       
 
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          Y1     = Y1 + C(I)*PARAM(I)                                           
 
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  100 CONTINUE                                                                  
 
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      RETURN                                                                    
 
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      END