大家看看这个程序，FORTRAN要转化为C

c    **************************************************************** fytx({I .a  
c     DIFFERENTIAL EVOLUTION STRATEGY(DES) for minization problem D/Wuan?yPN  
c     Last updated on September 28, 2002 )AoFd>  
c    ================================================================ yW&iUh=0  
c     This program is workable under FORTRAN PowerStation and FORTRAN ]O\W<'+V  
c     90/95 on Planet workstations at Temasek Laboratories. To run /YbL{G )j}  
c     the program under FORTRAN 90/95 on Planet workstations, the s?E:
]  
c     program should be compiled using the following command Vwqfn4sx?i  
c     f95 -YEXT_NAMES=LCS -YEXT_SFX=_ -L/opt/absoft/lib -limsl -limslblas Y"jDZG?  
c     -lV77 -o des des.f F1=+<]!  
c    ================================================================ @6!JW(,]\  
      PROGRAM MAIN >D;hT*3  
c     for FORTRAN PowerStation 8dhY"&  
      USE PORTLIB ;hvXFU  
      implicit none FTfA\/tl(;  
      real*4 current_time $S}x'F!4_  
c     for FORTRAN 90/95 on Planet workstations at Temasek Laboratories ES2qX]I  
c      implicit none ?:nZv< x  
c      real*4 secnds,current_time V"ZbKV+[  
      real*8 eps xVyUUzXs  
      integer max_generation &F}+U#H  
      real*8 crossover_probability,mutation_intensity lBdF9F<  
      integer length_chromosome,population_size D+3Y.r9  
      real*8, allocatable :: genes_min(:),genes_max(:) QBy*y $  
      character*80 input_file,objf_file,result_file,note z)~!G~J]  
      integer j Em;b,x*U  
     [s2V-'2  
c     ask for input and output file names jQ)>XOok  
      write(*,*) 'Parameter file name, please.' zFr}$  
      read(*,*) input_file N96BWgT  
      write(*,*) 'File name for object function value, please.' g4X,*H  
      read(*,*) objf_file n:D*r$ C|p  
      write(*,*) 'File name for variables, please.' "/?qT;<$)  
      read(*,*) result_file uLM_KZ  
      write(*,*) =R.9"7~2x  
c     read control parameters &^_(xgJL  
      open(1,file=input_file) (O2HB-<rY  
      read(1,*) note,eps eeZysCy+DY  
      read(1,*) note,max_generation i 8X
z  
      read(1,*) note,crossover_probability ~a%hRJg  
      read(1,*) note,mutation_intensity `yZZP  
      read(1,*) note,length_chromosome YoJ'=z,e  
      read(1,*) note,population_size )1
}g7:  
      allocate(genes_min(length_chromosome)) 1}E@lOc  
      allocate(genes_max(length_chromosome)) A*~1Uz\t  
      do j=1,length_chromosome lKUm_; m  
        read(1,*) note,genes_min(j),genes_max(j) %},G(>  
      end do #L0I+ K,K\  
      close(1) K, 5ax@  
c     Search the optimal result l%(`<a]VIB  
      write(*,*) 'Search in progress, please wait.' 8$kXC+  
      current_time=secnds(0.0) *h:EE6|  
      call DES(objf_file,result_file,eps,max_generation, YnWl'{[ C  
     +         crossover_probability,mutation_intensity, <WJ0St  
     +         length_chromosome,population_size, c$kb0VR  
     +         genes_min,genes_max) ON0+:`3\  
      write(*,*) 'Search over' ~UC/|t$  
      write(*,*) 'Search takes ',secnds(current_time),' s' &2=KQ\HO  
      open(3,file=result_file,status='unknown',access='append') \]A;EwC4C  
      write(3,*) 'Search takes ',secnds(current_time),' s' vqOLSE"t*O  
      close(3) tC:,!4 P$  
c     remind the output file names aX)./  
      write(*,*) 'Please view the brief results in ',objf_file oQnk+>}%  
      write(*,*) 'Please view the detailed results in ',result_file XFTMT'9  
      deallocate(genes_min,genes_max) vGwD~R  
      end ;Ph)BY<  
c    **************************************************************** Lu39eO6  
c     Differential Evolution Strategy \%Rta$O?S  
c    ================================================================ F^t?*   
      SUBROUTINE DES(objf_file,result_file,eps,max_generation, ,l .U^d6>  
     +               crossover_probability,mutation_intensity, N%A`rY}u  
     +               length_chromosome,population_size, 9[{>JRm.  
     +               genes_min,genes_max) `L#?eQ{  
c     for FORTRAN PowerStation .Pes{uHg  
      USE PORTLIB p <=%  
      implicit none _G[I2]  
      real*4 current_time Z/kaRnG[@t  
c     for FORTRAN 90/95 on Planet workstations at Temasek Laboratories nQ17E{^pR  
c      implicit none Z#
6~N
/b  
c      real*4 secnds,current_time C%
_  
      character*80 objf_file,result_file YB B$uGA  
      real*8 eps p;=kH{uu  
      integer max_generation >2CusT2  
      real*8 crossover_probability,mutation_intensity Tj21YK.mk  
      integer length_chromosome,population_size 3E}NiD\V}  
      real*8 genes_min(length_chromosome) j8Q5d`  
      real*8 genes_max(length_chromosome) E<CxKY9  
c    ================================================================ xGEmrE<;  
      integer minpp,maxpp,i,j,gen ^]qV8
 
      real*8, allocatable :: new_chromosome(:,:),new_objf(:) 'gZbNg=&[  
      real*8, allocatable :: old_chromosome(:,:),old_objf(:) )s<WG}  
c     record control parameters $7n#\h  
      open(2,file=objf_file) iSr`fQw#  
      open(3,file=result_file) [s{r$!Gl  
      write(3,*) 'operation parameters' 4:Xj-l^D  
      write(3,*) 'Convergence criteria ',real(eps) `}~)1'(#/  
      write(3,*) 'Maximum number of evolution generations ', |@Zq
wC=  
     +            max_generation dxn0HXU  
      write(3,*) 'crossover probability ',real(crossover_probability) r*N~. tFo  
      write(3,*) 'mutation intensity ',real(mutation_intensity) |3,yq^2  
      write(3,*) 'Number of optimizaztion parameters ',length_chromosome dmaqXsU8q  
      write(3,*) 'population size ',population_size yMbcFDlBr  
      write(3,*) P,/13tZ#3  
      write(3,*) 'search range' 9R@abm,I  
      do i=1,length_chromosome PG6L]o^  
        write(3,70) i,genes_min(i),genes_max(i)
S*CLt  
      end do Y$x"4=~  
      write(3,*) q)?p$\  
c     allocate memory for population w.
D4dv_H  
      allocate(new_chromosome(population_size,length_chromosome)) w`j*W$82
  
      allocate(new_objf(population_size)) +#*&XX5A#?  
      allocate(old_chromosome(population_size,length_chromosome)) 9eGCBVW:*  
      allocate(old_objf(population_size)) ?UZ$bz  
c     initialize the random number generator ~TG39*m  
      call RANDOMIZE() ?..i4  
     7}d$*C  
c     generating the initial population E5*-;
>2c  
      gen=0 3V/_I<y  
      current_time=secnds(0.0) G}P)vfcH  
      write(*,*) 'Generating initial population' q8?
=*1g  
      call INITIALIZE(population_size,length_chromosome, ..jq[(;N  
     +                genes_min,genes_max,new_chromosome,new_objf) z[qdmx^  
      call STATISTICS(population_size,new_objf,minpp,maxpp) >G<\1R  
      write(*,*) 'Minimum objective function value ',new_objf(minpp)
K}PvrcO1  
      write(*,*) 'Maximum objective function value ',new_objf(maxpp) Sf'i{xye  
      write(2,*) gen,new_objf(minpp) ]{|fYt_-  
      write(3,80) gen,new_objf(minpp) _b0S  
      do 10 j=1,length_chromosome n9kd2[s|  
        write(3,90) j,new_chromosome(minpp,j) <Spr6U9p7  
10    end do [_ M6/  
      write(3,*) {5QosC+o6Q  
      write(*,*) 'Initial population takes ',secnds(current_time) Z[#I"-Q~:  
      write(*,*) m3xz=9Ve  
c     searching for optimal solution by evolution [xtK"E#  
20    current_time=secnds(0.0) &;ZC<?wS  
      gen=gen+1 ZI58XS+  
      write(*,*) 'Evolution to generation ',gen MUbhEau?  
c     update the old population zP:~O  
      do 40 i=1,population_size PyC;f8n'(  
        do 30 j=1,length_chromosome #)_J)/h  
          old_chromosome(i,j)=new_chromosome(i,j) "u(S2'DW'(  
30      end do :3a&Pb*PL  
        old_objf(i)=new_objf(i) WYwzo V-  
40    end do b&=]S(  
c     generate new population X2\E9hJg  
      call EVOLUTION(crossover_probability,mutation_intensity, \|eJJC  
     +               length_chromosome,population_size, S)"##-~`T  
     +               genes_min,genes_max, v9E+(4I9_  
     +               old_chromosome,old_objf, J16=!q()  
     +               new_chromosome,new_objf) S}.\v<  
      call STATISTICS(population_size,new_objf,minpp,maxpp) YO@hE>  
      write(*,*) 'Minimum objective function value ',new_objf(minpp) n 5~=qQK2  
      write(*,*) 'Maximum objective function value ',new_objf(maxpp) j7@!J7S  
      write(2,*) gen,new_objf(minpp) hz<|W5  
      write(3,80) gen,new_objf(minpp) x*unye7  
      do 50 j=1,length_chromosome Z$!C=  
        write(3,90) j,new_chromosome(minpp,j) @Pxw
hlxa  
50    end do qs!>tw  
      write(3,*) DUZQO{V  
      write(*,*) 'Evolution to generation ',gen,' takes ', !Z U_,[  
     +            secnds(current_time) Q&u>7_, Du  
      write(*,*) G%2P  
c     convergence examination Hs[}l_gYn  
      if(new_objf(minpp).lt.eps) then L"[IOV9S  
        write(*,*) 'Minimum in capture, congraduation!' 4id3P{aU  
        go to 60 4)c+t"h  
      else T$H2'tK|  
        if(gen.ge.max_generation) then *I:mw8t  
          write(*,*) 'Maximum iterations use up.' RRx`}E9,  
          go to 60 cwu$TP A>  
        end if cJP'ShnCh  
        go to 20 0fn
ZR$PB  
      end if >65 TkAp  
60    deallocate(new_chromosome,new_objf) "0|BoG  
      deallocate(old_chromosome,old_objf) xJvLuzUD  
      close(2) 1KW3l<v-6  
      close(3) :~t<L%tYF  
70    format(1x,'parameter ',i3,' from ',f8.2,' to ',f8.2) Ab*]dn`z  
80    format(1x,'generation ',i3,' minimum objective function value ', M'^(3#ZU  
     +       g10.3) mYjf5  
90    format('x(',i2,')=',g10.3) +->\79<#V(  
      return -"F0eV+y  
      end >4Iv[ D1  
c    **************************************************************** M|U';2hZN:  
c     generate the initial population. %v]7BV^%6  
c    ================================================================ 9n_ eCb)H  
      SUBROUTINE INITIALIZE(population_size,length_chromosome, b![t6-f^z  
     +                      genes_min,genes_max, ZR1+ O8  
     +                      new_chromosome,new_objf) Qn*6D  
      implicit none \C|;F  
      integer population_size,length_chromosome xC)7eQn/R  
      real*8 genes_min(length_chromosome) 0;vtdM[_  
      real*8 genes_max(length_chromosome) -dg}BM  
      real*8 new_chromosome(population_size,length_chromosome) ~Y% : 3  
      real*8 new_objf(population_size) ]X*YAPv  
c    ================================================================ !{IC[g n  
      integer i,j f](I.lm:  
      real*8 RANDOM_REAL,OBJF :ezA+=ENg  
      real*8, allocatable :: chromosome(:) Y\.DQ  
c     initialize the random number generator pw!@Q?R  
      call RANDOMIZE() >5c]
aNcv  
      allocate(chromosome(length_chromosome)) iNt 4>
 
      do 20 i=1,population_size V{KjRSVf=  
        do 10 j=1,length_chromosome ^Ss<X}es-  
          chromosome(j)=genes_min(j) pNuqT*  
     +                 +RANDOM_REAL()*(genes_max(j)-genes_min(j)) Wt(Kd5k0'2  
          new_chromosome(i,j)=chromosome(j) _O$tuC%  
10      end do YQ52~M0L  
        new_objf(i)=OBJF(length_chromosome,chromosome) P2>:p%Z
  
20    end do :#Ty^-"]1  
      deallocate(chromosome) .Nc_n5D
6  
      return U%L -NMe  
      end )eECOfmnZ  
c    **************************************************************** 658\#x8|  
c     generate a new population by performing the genetic operations, n-d:O\]  
c     i.e., crossover, mutation and selection. n9DbiL1{  
c    ================================================================ _ ~|Q4AJ  
      SUBROUTINE EVOLUTION(crossover_probability,mutation_intensity, }bp.OV-+  
     +                     length_chromosome,population_size, THJ 3-Ug  
     +                     genes_min,genes_max, Cgo9
rC~]  
     +                     old_chromosome,old_objf, [1<(VyJ}ye  
     +                     new_chromosome,new_objf) R^w}o,/  
      implicit none Im6U_JsNZh  
      real*8 crossover_probability,mutation_intensity @2u#93Y  
      integer length_chromosome,population_size C]/&vh7ta  
      real*8 genes_min(population_size),genes_max(population_size) t{~
@I  
      real*8 old_chromosome(population_size,length_chromosome) NJ<N%hcjK  
      real*8 old_objf(population_size) L+73aN  
      real*8 new_chromosome(population_size,length_chromosome) 3#9uEDdE  
      real*8 new_objf(population_size) HQl~Dh0DJ  
c    ================================================================ R+s1[Z  
      integer minpp,maxpp,sister1,sister2,RANDOM_INTEGER,counter MZ)T0|S_  
      integer i,j,jcross B9}E {)T?  
      real*8 OBJF,baby_objf 6>s=CiZB  
      real*8, allocatable :: baby_chromosome(:)
ikr7DBLt  
      logical FLIP L/)B}8m\  
     .`Sw,XL5  
c     initialize the random number generator au}s=ua~i  
      call RANDOMIZE() N^lAG"Jao[  
      allocate(baby_chromosome(length_chromosome)) +Jdm#n?_  
c     find the best individual in the old population. He is the father F,zG;_  
c     for all children. He will have a child with each mother with the z<t>hzl7  
c     help of two of his sisters. All the other individuals in the old |!oXvXU  
c     population are mothers. The child will compete with their mother mdaYYD=c%  
c     for a position in the next generation. qT$)Rb&  
      call STATISTICS(population_size,old_objf,minpp,maxpp) /V#7=,,  
      do 110 i=1,population_size a/34WFC  
c     elitist model. The best individual in the old population is %w$mSG  
c     kept. zLL)VFCJW  
        if(i.eq.minpp) then _@
~PL>g"p  
          do 10 j=1,length_chromosome *(icR  
            new_chromosome(i,j)=old_chromosome(i,j) %0lf  
10        end do of=ql  
          new_objf(i)=old_objf(i) kAe
NQRjR  
          go to 110 \p3v#0R{  
        end if ly[lrD0Kn.  
20      sister1=RANDOM_INTEGER(population_size) Y_+ SA|s  
        if(sister1.eq.i) go to 20 5E`JD  
30      sister2=RANDOM_INTEGER(population_size) [$;,Ua-mt  
        if(sister2.eq.i.or.sister2.eq.sister1) go to 30 iyc$)"w  
c     generate crossover mate (mutation) };^}2Xo+  
        do 60 j=1,length_chromosome IYLZ +>  
c     for minization problem A0OB$OK  
          baby_chromosome(j)=old_chromosome(minpp,j) @*SA$9/l  
     +                      +mutation_intensity %uua_&#)  
     +                       *(old_chromosome(sister2,j) N2T&,&,t  
     +                         -old_chromosome(sister1,j)) L$SMfx  
c     for maximization problem &5d\~{;  
c          baby_chromosome(j)=old_chromosome(maxpp,j) 7u|%^Ao6  
c     +                      +mutation_intensity rEmwKZF'  
c     +                       *(old_chromosome(sister2,j) [T-*/}4$  
c     +                         -old_chromosome(sister1,j)) pUGN!3
 
c     to avoid the genes of the crossover mate exceed the upper limit QhsVIta  
40        if(baby_chromosome(j).gt.genes_max(j)) then ?T <rt  
            baby_chromosome(j)=(baby_chromosome(j)+genes_min(j))/2.0 G~(&3  
            go to 40 C;ptir1G;  
          end if HJ",Sle  
c     to avoid the genes of the crossover mate exceed the lower limit =6
fB*bNk]  
50        if(baby_chromosome(j).lt.genes_min(j)) then :kt/$S^-  
            baby_chromosome(j)=(baby_chromosome(j)+genes_max(j))/2.0 a}dw9wU!:  
            go to 50 ^;4YZwW5w  
          end if jccOsG9;_  
60      end do 9
4y9W#  
        baby_objf=OBJF(length_chromosome,baby_chromosome) @gEr+O1K(  
c     the baby competes with his mother B>,A(X&  
        if(baby_objf.lt.old_objf(i)) then ! for minimization problem AC'lS >7s  
c        if(new_objf(i).gt.old_objf(i)) then ! for maximization problem <cj}:H *  
c     The baby wins 0X#+#[W  
          do 70 j=1,length_chromosome %XR<isn  
            new_chromosome(i,j)=baby_chromosome(j) m d_g}N(C  
70        end do m2Q$+p@  
          new_objf(i)=baby_objf $cu]_gu  
          go to 110 G%$}WA]|  
        end if 5/,Qz>QE[  
c     the mother wins, crossover to deliver another baby i(Vm!Y82  
        counter=0 8 ip^]  
        do 80 j=1,length_chromosome D?mDG|Z  
          if(FLIP(crossover_probability)) then yuv4*  
            counter=counter+1 v1h.pbz`w  
          else %0zS  
            baby_chromosome(j)=old_chromosome(i,j) i?x$w{co  
          end if f7 wmw2  
80      end do w{r8kH  
c     Full crossover (counter=population_size) is prohibited +<{m45  
        if(counter.eq.length_chromosome) then lCHo+>\Z  
          jcross=RANDOM_INTEGER(length_chromosome) !?b/-~o7S  
          baby_chromosome(jcross)=old_chromosome(i,jcross) Sk$KqHX(  
        end if WGPD8.  
        baby_objf=OBJF(length_chromosome,baby_chromosome) e,"FnW  
c     the baby competes with his mother 8gAu7\p}  
        if(baby_objf.lt.old_objf(i)) then ! for minimization problem #"<?_fao~  
c        if(new_objf(i).gt.old_objf(i)) then ! for maximization problem J)Ol"LXV  
c     The baby wins \C7q4p?8  
          do 90 j=1,length_chromosome <%&_#<C)  
            new_chromosome(i,j)=baby_chromosome(j) ?M~  k$  
90        end do GL`tOD:P"  
          new_objf(i)=baby_objf 1
fRP1  
        else \?dTH:v/E  
c     The mother wins w&5/Zh[~~L  
          do 100 j=1,length_chromosome tpZ->)1  
            new_chromosome(i,j)=old_chromosome(i,j) #QS?s8IrW  
100       end do &r:=KT3  
          new_objf(i)=old_objf(i) ,_bp)-OG  
        end if Mt=R*M}D0  
110   end do 7f* RM  
      deallocate(baby_chromosome) }
jiK3?e  
      return lC4PKmno  
      end >4c`UW  
c    **************************************************************** kT2Wm/L  
c     Benouli Experiment 2lo:a{}j  
c    ================================================================ K[]K53Nk  
      logical FUNCTION FLIP(probability) fM2^MUp[=1  
      implicit none cWM:  
      integer RANDOM_INTEGER x 'mF&^  
      real*8 probability,p ]Zk}ZG>6  
      p=RANDOM_INTEGER(20000)/20000.0 V)h
y0_  
      FLIP=.false. {Zl4C;c  
      if(p.le.probability) FLIP=.true. ^vM_kArA  
      return XL~>rw<  
      end "&<~UiI  
c    **************************************************************** e=L*&X  
c     initialize the real random generator *uU4^E(  
c    ================================================================ h$/JGm5uDb  
      SUBROUTINE RANDOMIZE() cJ/4Gl  
      integer, static :: IFF 6KO(j/Gwp  
c     common /randomnumber/IFF,ix1,ix2,ix3,R s??czM2O  
c     static IFF,ix1,ix2,ix3,R yV2e5/i  
      IFF=0 ^)<w*iqBD  
      return d"GDZ[6  
      end |6*Va%LYO-  
c    **************************************************************** A_F0\ EN*  
c     integer random number generator. It generates an integer random O2lIlCL  
c     number in [1,N] Wn~ZA#  
c    ================================================================ .1{l[[= W  
      integer FUNCTION RANDOM_INTEGER(N) B\0t&dai|'  
      implicit none |]tZ hI"3<  
      integer N Qsji0ikG  
c    ================================================================ Q.E_:=*H  
      real*8 RANDOM_REAL C`EY5"N r  
      RANDOM_INTEGER=N*RANDOM_REAL()+1 x`L+7,&n  
      if(RANDOM_INTEGER.gt.N) RANDOM_INTEGER=N AqqHD=Yp  
      if(RANDOM_INTEGER.lt.1) RANDOM_INTEGER=1 '$6PTa  
      return bvp)r[8h  
      end O5OXw]  
c    **************************************************************** ckWkZ 78\  
c     real random number generator. It generates a real random number IM]h*YV'  
c     in [0,1]. It also initialize the random generator if IFF=0 O8y9dX-2  
c    ================================================================ ;W~4
L+e  
      real*8 FUNCTION RANDOM_REAL() s`1^*Dl%+  
c     for FORTRAN Powerstation /ao<A\KR  
      USE Portlib 'kQ~  
c     for FORTRAN 90  on Planet Workstations at Temasek Laboratories, xW0Z'==  
c     program should be compiled as f90 -lV77 y]^#$dK(z  
c      real*4 secnds DJ|BM+  
      integer SEED OfJd/D  
      integer, static :: IFF,ix1,ix2,ix3 #D0W7a  
      real*8, static :: R(97) K:a3+k d
 
      real*8 RM1,RM2 PkO!'X  
c     common /randomnumber/IFF,ix1,ix2,ix3,R X Ny Y$  
c     static IFF,ix1,ix2,ix3,R mw
"}8y  
      parameter(M1=259200,IA1=7141,IC1=54773,RM1=1.0/M1) @ t|3gF$X  
      parameter(M2=134456,IA2=8121,IC2=28411,RM2=1.0/M2) u GAh7Sop  
      parameter(M3=243000,IA3=4561,IC3=51349) f~R[&q+  
     ;j!UY.i  
      if(IFF.eq.0) then O{u[+
g  
        SEED=int(secnds(0.0)*100.0) X|Dpt2A=  
        SEED=mod(SEED,100000) hLo>R'@uN  
        IFF=1 }H2#H7!H  
        ix1=mod(IA1*SEEd+IC1,M1) @(){/
cF  
        ix2=mod(Ix1,M2) =hhvmo  
        ix1=mod(IA1*ix1+IC1,M1) W0|_]"K-  
        ix3=mod(Ix1,M3)
gCL{Cw  
        do 10 j=1,97 `yYvYc
 
          ix1=mod(IA1*ix1+IC1,M1) x G^f  
          ix2=mod(IA2*ix2+IC2,M2) \j:AR4  
          R(j)=(dble(Ix1)+dble(ix2)*RM2)*RM1 Vmtzig3w[  
10      end do 69iM
0X!'u  
      end if o$t &MST?i  
20    ix1=mod(IA1*ix1+IC1,M1) }PmTR4F!}  
      ix2=mod(IA2*ix2+IC2,M2) Uuz?8/w}#  
      ix3=mod(IA3*ix3+IC3,M3) {lMqcK  
      j=1+(97*ix3)/M3 (7L/eDMT  
      if(j.gt.97.or.j.lt.1) go to  20 F^miq^K=  
      RANDOM_REAL=R(j) ^}hZ'<PK  
      R(j)=(dble(Ix1)+dble(ix2)*RM2)*RM1 pALJl[Cb  
      return .jaZ|nN8`  
      end Pt(tRHB  
c    **************************************************************** -O%[!&`  
c     statistics of the population rmQ\RP W  
c    ================================================================ &rP~`4Mkp  
      SUBROUTINE STATISTICS(N,value,minpp,maxpp) #4N >d~  
      implicit none Pa
[?L:E  
      integer N,minpp,maxpp L^)qe^%3  
      real*8 value(N) \imp7}N  
c    ================================================================ K-6p'|  
      integer i #\<P]<C  
      real*8 minvalue,maxvalue Rf?%Tv
0\  
      minpp=1 SM
$\;)L  
      maxpp=1 .aJ%am/:%  
      minvalue=value(1) v4C3uNW  
      maxvalue=value(1) 3;A$
<s  
      do 10 i=2,N zsQF,7/}B  
        if(value(i).lt.minvalue) then BvQUn@ XE  
          minpp=i QY6O(=  
          minvalue=value(i) F:_F
jxU  
        end if y qkX:jt  
        if(value(i).gt.maxvalue) then F^]aC98]1  
          maxpp=i #w;;D7{@m  
          maxvalue=value(i) L&QtHSzy  
        end if (rIXbekgB  
10    end do i(P>Y2s  
      return V(Dj
F=8  
      end s&0*'^'O[S  
c    **************************************************************** U&X.
 
c     Objective function \6i9q=  
c    ================================================================ 7N6zqjIB  
      real*8 FUNCTION OBJF(N,x) F@EZ;[  
 implicit none :v#8O~
  
c====defination  sentences============================================ ]1tN|ODY*W  
  jzQ I>u  
      integer N F  "!`X#  
 real*8 x(N) ]`K[W&  
 real*8, parameter :: pi=3.1415926 F'XlJ M  
      real*8, parameter :: eps=1d-3 O/$ v69:  
c    real*8 error,error1,error2 a}w&dE$!-  
 real*8,allocatable :: TTEDB(:) GBW 7Y  
 real*8,allocatable :: freq(:) QY=QQG  
 integer Nfreq X
~%IM1+L;  
      real*8 lowest_freq,freq_step `BpCRKTG  
       real*8 p,d1,d2,w1,w2,g1,g2,Er,psi {o {#]fbO%  
c     =============================================================== .01TTK*  
       real*8 lambda,TTETE <ip)r;  
  real*8 tmp,error1 N" ;^S  
       real*8 Fw,Fg c[Yq5Bu{y  
       real*8 X1p,X2p,B1p,B2p =O,e97  
       real*8 X1,X2,B1,B2 PYaOH_X.  
       real*8 Y,ft,fr1,fr2,error3 v|>BDN@,6  
      integer i,count h~:H?pj3g  
 N=5 e_^KI  
      p=x(1) *5^ze+:  
 w1=x(2) -: C[P  
 w2=x(3) Rn8#0%/Q  
 g1=x(4) bje'Oolc  
 g2=x(5) *%nX#mwz  
 Nfreq=181 f)WPOTEY  
 lowest_freq=1. 0O_E\
- =  
 freq_step=.1 g{]ej  
 ER=1.35 F; 0Dp
 
 psi=0 [|
jIC  
  h;jsH!  
c   error=0. S`4e@Z$  
 error1=0.  . rRc  
c error2=0. H&9wSG`  
 allocate(TTEDB(Nfreq)) ypxC1E  
 allocate(freq(Nfreq)) aK-N}T  
 d1=p-g1 jD<9=B(g  
 d2=d1-2*w1-2*g2 Of!|,2`(  
      psi=2.*pi*psi/360  ! degree to radian X
=\x&W
t  
       r^e-.,+  
 DO 11 i=1,Nfreq wAPO{3  
        freq(i)=lowest_freq+freq_step*(i-1) 8XgVY9]Qm  
        lambda=300./freq(i)  !light_speed=3.d8;the unit of lambda is mm wH#Lb@cfZ0  
        X1p=Fw(p,w1,psi,lambda)                             ! (3.9a) UX?X]ZYVR  
        X2p=Fw(p,w2,psi,lambda)                             ! (3.9b) $*g{[&L|6  
        X1=2*X1p*X2p/(X1p+X2p)*d1/p                         ! (3.8) N0=b[%g;n  
        X2=Fw(p,2*w2,psi,lambda)*d2/p                       ! (3.12) Qve`k<Cj"  
        B1p=4*Er*Fg(p,g1,psi,lambda)                        ! (3.11) X9SJ~n  
        B2p=4*Er*Fg(p,g2,psi,lambda)                        ! (3.14) ayHn_  
        B1=0.75*B1p*d1/p                                    ! (3.10) .ZM]%[4  
        B2=d2/p*B1p*B2p/(B1p+B2p)                           ! (3.13) U24V55ZnI  
        Y=1/(X1-1/B1)+1/(X2-1/B2)       ! V.+DP  
        TTETE=4./(4+Y*Y)  ! (2.12) e_\SSH@tw  
        IF(TTETE.LT.eps) TTETE=eps gZ=)qT]Pj  
          TTEDB(i)=10.*DLOG10(TTETE) =y`-sU Hx  
11 end do cS+?s=d  
      count=0 {3jm%ex  
 do i=2,Nfreq-1 ~rp.jd 0l  
     if(TTEDB(i).le.TTEDB(i-1).and.TTEDB(i).lt.TTEDB(i+1)) then 'w:tq  
        if(count.eq.0) then 9.^-us1  
        fr1=freq(i) nsy!p5o  
           count=count+1 H)-L%l|9  
         else 65 NWX8f}  
          fr2=freq(i) [sjrb?Xd  
         end if yZQ1] '^31  
     end if Ti /;|lP@  
    if(TTEDB(i).ge.TTEDB(i-1).and.TTEDB(i).gt.TTEDB(i+1)) then &0?DL  
              ft=freq(i) !Mm+bWn=mB  
    end if |P^ikx6f5  
      end do 34HFrMi  
 if (abs(fr1-9.0).lt.0.1.and.abs(fr2-15.0).lt.0.1)then PsacXZNs\N  
    error3=0 NWaI[P
 
 else uHTKo(NG  
    error3=0.1 jp"XS  
 end if $eTv6B?m  
 do i=1,10 &?&'"c{;m  
     if (TTEDB(i).ge.-0.5) then hn*}5!^  
          tmp=0 QJb7U5:B+  
         else ,!xz*o+#@  
          tmp=abs(TTEDB(i)+0.5) mOABZ#+Fk  
         end if iLc)"L-i  
     .. /2=_B4E2  
8.6no  

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