source: Sophya/trunk/SophyaExt/CodeMinuit/code/mneval.F@ 3848

Last change on this file since 3848 was 2403, checked in by cmv, 22 years ago

Creation du module de code source de MINUIT (CERNLIB) extrait par CMV

cmv 11/06/2003
File size: 1.2 KB
Line 
1*
2* $Id: mneval.F,v 1.1.1.1 2003-06-11 14:18:27 cmv Exp $
3*
4* $Log: not supported by cvs2svn $
5* Revision 1.1.1.1 1996/03/07 14:31:29 mclareni
6* Minuit
7*
8*
9#include "minuit/pilot.h"
10 SUBROUTINE MNEVAL(FCN,ANEXT,FNEXT,IEREV,FUTIL)
11#include "minuit/d506dp.inc"
12CC Evaluates the function being analyzed by MNCROS, which is
13CC generally the minimum of FCN with respect to all remaining
14CC variable parameters. Common block /MN7XCR/ contains the
15CC data necessary to know the values of U(KE1CR) and U(KE2CR)
16CC to be used, namely U(KE1CR) = XMIDCR + ANEXT*XDIRCR
17CC and (if KE2CR .NE. 0) U(KE2CR) = YMIDCR + ANEXT*YDIRCR
18#include "minuit/d506cm.inc"
19CC
20 EXTERNAL FCN,FUTIL
21 U(KE1CR) = XMIDCR + ANEXT*XDIRCR
22 IF ( KE2CR .NE. 0) U(KE2CR) = YMIDCR + ANEXT*YDIRCR
23 CALL MNINEX(X)
24 NPARX = NPAR
25 CALL FCN(NPARX,GIN,FNEXT,U,4,FUTIL)
26 NFCN = NFCN + 1
27 IEREV = 0
28 IF (NPAR .GT. 0) THEN
29 ITAUR = 1
30 AMIN = FNEXT
31 ISW(1) = 0
32 CALL MNMIGR(FCN,FUTIL)
33 ITAUR = 0
34 FNEXT = AMIN
35 IF (ISW(1) .GE. 1) IEREV = 1
36 IF (ISW(4) .LT. 1) IEREV = 2
37 ENDIF
38 RETURN
39 END
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