?? adjustment.cpp
字號:
// Adjustment.cpp: implementation of the Adjustment class.
//
//////////////////////////////////////////////////////////////////////
#include "stdafx.h"
#include "Adjustment.h"
#include "math.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
Adjustment::Adjustment()
{
}
Adjustment::~Adjustment()
{
}
/*輔助矩陣計算函數,不用考慮*/
void Adjustment::sss(double fg[2],double cs[2])
{ double r,d;
if ((fabs(fg[0])+fabs(fg[1]))==0.0)
{ cs[0]=1.0; cs[1]=0.0; d=0.0;}
else
{ d=sqrt(fg[0]*fg[0]+fg[1]*fg[1]);
if (fabs(fg[0])>fabs(fg[1]))
{ d=fabs(d);
if (fg[0]<0.0) d=-d;
}
if (fabs(fg[1])>=fabs(fg[0]))
{ d=fabs(d);
if (fg[1]<0.0) d=-d;
}
cs[0]=fg[0]/d; cs[1]=fg[1]/d;
}
r=1.0;
if (fabs(fg[0])>fabs(fg[1])) r=cs[1];
else
if (cs[0]!=0.0) r=1.0/cs[0];
fg[0]=d; fg[1]=r;
return;
}
/*輔助矩陣計算函數,不用考慮*/
void Adjustment::ppp(double *a,double *e,double *s,double *v,int m,int n)
{ int i,j,p,q;
double d;
if (m>=n) i=n;
else i=m;
for (j=1; j<=i-1; j++)
{ a[(j-1)*n+j-1]=s[j-1];
a[(j-1)*n+j]=e[j-1];
}
a[(i-1)*n+i-1]=s[i-1];
if (m<n) a[(i-1)*n+i]=e[i-1];
for (i=1; i<=n-1; i++)
for (j=i+1; j<=n; j++)
{ p=(i-1)*n+j-1; q=(j-1)*n+i-1;
d=v[p]; v[p]=v[q]; v[q]=d;
}
return;
}
/*輔助矩陣計算函數,不用考慮*/
int Adjustment::bmuav(double *a,int m,int n,double *u,double *v,double eps,int ka)
{ int i,j,k,l,it,ll,kk,ix,iy,mm,nn,iz,m1,ks;
double d,dd,t,sm,sm1,em1,sk,ek,b,c,shh,fg[2],cs[2];
double *s,*e,*w;
void ppp();
void sss();
s=(double *)(malloc(ka*sizeof(double)));
e=(double *)(malloc(ka*sizeof(double)));
w=(double *)(malloc(ka*sizeof(double)));
it=60; k=n;
if (m-1<n) k=m-1;
l=m;
if (n-2<m) l=n-2;
if (l<0) l=0;
ll=k;
if (l>k) ll=l;
if (ll>=1)
{ for (kk=1; kk<=ll; kk++)
{ if (kk<=k)
{ d=0.0;
for (i=kk; i<=m; i++)
{ ix=(i-1)*n+kk-1; d=d+a[ix]*a[ix];}
s[kk-1]=sqrt(d);
if (s[kk-1]!=0.0)
{ ix=(kk-1)*n+kk-1;
if (a[ix]!=0.0)
{ s[kk-1]=fabs(s[kk-1]);
if (a[ix]<0.0) s[kk-1]=-s[kk-1];
}
for (i=kk; i<=m; i++)
{ iy=(i-1)*n+kk-1;
a[iy]=a[iy]/s[kk-1];
}
a[ix]=1.0+a[ix];
}
s[kk-1]=-s[kk-1];
}
if (n>=kk+1)
{ for (j=kk+1; j<=n; j++)
{ if ((kk<=k)&&(s[kk-1]!=0.0))
{ d=0.0;
for (i=kk; i<=m; i++)
{ ix=(i-1)*n+kk-1;
iy=(i-1)*n+j-1;
d=d+a[ix]*a[iy];
}
d=-d/a[(kk-1)*n+kk-1];
for (i=kk; i<=m; i++)
{ ix=(i-1)*n+j-1;
iy=(i-1)*n+kk-1;
a[ix]=a[ix]+d*a[iy];
}
}
e[j-1]=a[(kk-1)*n+j-1];
}
}
if (kk<=k)
{ for (i=kk; i<=m; i++)
{ ix=(i-1)*m+kk-1; iy=(i-1)*n+kk-1;
u[ix]=a[iy];
}
}
if (kk<=l)
{ d=0.0;
for (i=kk+1; i<=n; i++)
d=d+e[i-1]*e[i-1];
e[kk-1]=sqrt(d);
if (e[kk-1]!=0.0)
{ if (e[kk]!=0.0)
{ e[kk-1]=fabs(e[kk-1]);
if (e[kk]<0.0) e[kk-1]=-e[kk-1];
}
for (i=kk+1; i<=n; i++)
e[i-1]=e[i-1]/e[kk-1];
e[kk]=1.0+e[kk];
}
e[kk-1]=-e[kk-1];
if ((kk+1<=m)&&(e[kk-1]!=0.0))
{ for (i=kk+1; i<=m; i++) w[i-1]=0.0;
for (j=kk+1; j<=n; j++)
for (i=kk+1; i<=m; i++)
w[i-1]=w[i-1]+e[j-1]*a[(i-1)*n+j-1];
for (j=kk+1; j<=n; j++)
for (i=kk+1; i<=m; i++)
{ ix=(i-1)*n+j-1;
a[ix]=a[ix]-w[i-1]*e[j-1]/e[kk];
}
}
for (i=kk+1; i<=n; i++)
v[(i-1)*n+kk-1]=e[i-1];
}
}
}
mm=n;
if (m+1<n) mm=m+1;
if (k<n) s[k]=a[k*n+k];
if (m<mm) s[mm-1]=0.0;
if (l+1<mm) e[l]=a[l*n+mm-1];
e[mm-1]=0.0;
nn=m;
if (m>n) nn=n;
if (nn>=k+1)
{ for (j=k+1; j<=nn; j++)
{ for (i=1; i<=m; i++)
u[(i-1)*m+j-1]=0.0;
u[(j-1)*m+j-1]=1.0;
}
}
if (k>=1)
{ for (ll=1; ll<=k; ll++)
{ kk=k-ll+1; iz=(kk-1)*m+kk-1;
if (s[kk-1]!=0.0)
{ if (nn>=kk+1)
for (j=kk+1; j<=nn; j++)
{ d=0.0;
for (i=kk; i<=m; i++)
{ ix=(i-1)*m+kk-1;
iy=(i-1)*m+j-1;
d=d+u[ix]*u[iy]/u[iz];
}
d=-d;
for (i=kk; i<=m; i++)
{ ix=(i-1)*m+j-1;
iy=(i-1)*m+kk-1;
u[ix]=u[ix]+d*u[iy];
}
}
for (i=kk; i<=m; i++)
{ ix=(i-1)*m+kk-1; u[ix]=-u[ix];}
u[iz]=1.0+u[iz];
if (kk-1>=1)
for (i=1; i<=kk-1; i++)
u[(i-1)*m+kk-1]=0.0;
}
else
{ for (i=1; i<=m; i++)
u[(i-1)*m+kk-1]=0.0;
u[(kk-1)*m+kk-1]=1.0;
}
}
}
for (ll=1; ll<=n; ll++)
{ kk=n-ll+1; iz=kk*n+kk-1;
if ((kk<=l)&&(e[kk-1]!=0.0))
{ for (j=kk+1; j<=n; j++)
{ d=0.0;
for (i=kk+1; i<=n; i++)
{ ix=(i-1)*n+kk-1; iy=(i-1)*n+j-1;
d=d+v[ix]*v[iy]/v[iz];
}
d=-d;
for (i=kk+1; i<=n; i++)
{ ix=(i-1)*n+j-1; iy=(i-1)*n+kk-1;
v[ix]=v[ix]+d*v[iy];
}
}
}
for (i=1; i<=n; i++)
v[(i-1)*n+kk-1]=0.0;
v[iz-n]=1.0;
}
for (i=1; i<=m; i++)
for (j=1; j<=n; j++)
a[(i-1)*n+j-1]=0.0;
m1=mm; it=60;
while (1==1)
{ if (mm==0)
{ Adjustment::ppp(a,e,s,v,m,n);
free(s); free(e); free(w); return(1);
}
if (it==0)
{ Adjustment::ppp(a,e,s,v,m,n);
free(s); free(e); free(w); return(-1);
}
kk=mm-1;
while ((kk!=0)&&(fabs(e[kk-1])!=0.0))
{ d=fabs(s[kk-1])+fabs(s[kk]);
dd=fabs(e[kk-1]);
if (dd>eps*d) kk=kk-1;
else e[kk-1]=0.0;
}
if (kk==mm-1)
{ kk=kk+1;
if (s[kk-1]<0.0)
{ s[kk-1]=-s[kk-1];
for (i=1; i<=n; i++)
{ ix=(i-1)*n+kk-1; v[ix]=-v[ix];}
}
while ((kk!=m1)&&(s[kk-1]<s[kk]))
{ d=s[kk-1]; s[kk-1]=s[kk]; s[kk]=d;
if (kk<n)
for (i=1; i<=n; i++)
{ ix=(i-1)*n+kk-1; iy=(i-1)*n+kk;
d=v[ix]; v[ix]=v[iy]; v[iy]=d;
}
if (kk<m)
for (i=1; i<=m; i++)
{ ix=(i-1)*m+kk-1; iy=(i-1)*m+kk;
d=u[ix]; u[ix]=u[iy]; u[iy]=d;
}
kk=kk+1;
}
it=60;
mm=mm-1;
}
else
{ ks=mm;
while ((ks>kk)&&(fabs(s[ks-1])!=0.0))
{ d=0.0;
if (ks!=mm) d=d+fabs(e[ks-1]);
if (ks!=kk+1) d=d+fabs(e[ks-2]);
dd=fabs(s[ks-1]);
if (dd>eps*d) ks=ks-1;
else s[ks-1]=0.0;
}
if (ks==kk)
{ kk=kk+1;
d=fabs(s[mm-1]);
t=fabs(s[mm-2]);
if (t>d) d=t;
t=fabs(e[mm-2]);
if (t>d) d=t;
t=fabs(s[kk-1]);
if (t>d) d=t;
t=fabs(e[kk-1]);
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