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标题:帮忙看一下,这段程序错在哪里?
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fzyjane
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帮忙看一下,这段程序错在哪里?
麻烦看一下下面的一个子程序,错误信息:
9 [main] step.method 2232_cygtls::handle_exceptions: Errof while dumping state <probable corrupted stack> segmentation fault <core dumped>

谢谢!
另: 要主程序运行的话,给我短消息

*****************************************************************************************************************************
void  mlem(y,yy,x,z,n,s,p,ps,ni,niv,coef,ue,var,var0,uv,md1,md2,md3,md4,md5,u)
double *y, *yy, **x, *z, **coef, **var,**var0,**uv,**ue,*u;
int n, s, p, ps, *ni, *niv, md1,md2,md3,md4,md5;
#define E  0.0001
#define C  1.71877
{
  int i, j, i0, j0, r, k, l, k0,l0, k1,l1,m, p1, p2, jj, nt, nv;
  int sk0, sk, skv,sk01,sk1,skv1,sk02,sk2,skv2,num;
  double tmp, tmp0, tmp1, tmp2, tmp3, tmu, tmu1, tmu2, su0, su1, su2, su3, su4, su5, su6;
  double sm0,sm1,sm2,sm3,sm4,sm5,sm6,pv, xxi, xxj;
  double **cof,*a0,**c0,**a,**c,**id, **a4, **c4, **idv, *d, **x0, *dp0, **dp1,**v, **v0, **w,**w0;
  double **vcof,*piv;
  double *vector(), **matrix();
  void free_vector(), free_matrix();
  void gaussj(), mtv();

  cof = matrix(0,ps,0,5);
  vcof = matrix(0,ps,0,s);         
  w0 = matrix(0,s,0,5);

  a0 = vector(0,ps);
  c0 = matrix(0,ps,0,ps);
  a = matrix(0,ps,0,2);
 a4 = matrix(0,ps,0,2);
  c = matrix(0,ps,0,ps);
 c4 = matrix(0,ps,0,ps);
  id = matrix(0,n,0,n);
  idv = matrix(0,n,0,n);
  d = vector(0,n);
  x0 = matrix(0,n,0,ps);

  dp0 = vector(0,n);
  dp1 = matrix(0,n,0,ps);

  v = matrix(0,ps,0,ps);
  v0 = matrix(0,ps,0,ps);
  w = matrix(0,n,0,ps);
  piv = vector(0,s+1);

  p1 = p+1;
  p2 = p1;

  nv = 0;
  for(i=0; i <= s; i++)
     { nv += niv[i];
       piv[i] = (double)(niv[i]) / (double)(ni[i]);
     }
  pv = (double)(nv)/(double)(n);

 
  for(i=0; i<n; i++)
    { x0[i][0] = 1.0;
      for(j=0; j < p; j++)
        { tmp = x[i][j];
          x0[i][j+1] = tmp;
        }
    }
 /*  Method 5 */
if(md5 == 1)
{               
     for (k=0;k<p1;k++)     cof[k][4] = 0.0;   
 
  for(m=1;m<=1000;m++)
   { for(j=0; j < p1; j++)
        { a0[j] = 0.0;
           for(k=0; k< p1; k++)  
              c0[j][k] = 0.0;    /* a0 is a first derivative and c0 is a second derivative */
          }
               
     sk0=0;
     for(i=0;i<s; i++)                        /* each center */
        { sk0+=ni[i];
            sk=sk0+ni[i+1];
            skv=sk0+niv[i+1];
          for(j= sk0; j < skv; j++)            /* validation data part*/
            { su0=0.0;
              for(r=0; r<p1; r++)          /* loop in covariate number */
                { su0+= x0[j][r]*cof[r][4];}
              tmp0 +=exp(su0);
              tmp1 = tmp0/(1.0 + tmp0);
              tmp2 = tmp1/(1.0 + tmp0);
              for (i0=0;i0<p1;i0++)
                { su1 = (y[j]-tmp1)*x0[j][i0];
                  a0[i0]+=su1;
                  for(j0=i0;j0<p1;j0++)
                     { su2 = -tmp2*x0[j][i0]*x0[j][j0];
                         c0[i0][j0]+= su2;
                     }
                  }
               }
           }      
     
           for(i0=0; i0 < p; i0++)
              { for(j0=i0+1; j0 < p2; j0++)
                   { tmp = c0[i0][j0];
                     c0[j0][i0] = tmp;
                   }
              }
         for(i0=0; i0< p2; i0++)
             { a[i0][0] = a0[i0];
               a[i0][1] = 0.0;
               for(j0=0; j0 < p2; j0++)
                 { c[i0][j0] = c0[i0][j0];
                 }
             }         

       gaussj (c,p2, a, 2);

       for(j0=0; j0 < p2; j0++)
          {cof[j0][4] += -a[j0][0];}
        
          su4 = 0.0;
          for(j0=0; j0 < p1; j0++)
              su4 += a[j0][0];
          if(fabs(su4) < E) break;
     }
      for(j=0; j < p1; j++)
       { var[j][4] = -c[j][j];
         var0[j][4] = -c[j][j];
       }
     for(j=0; j < ps; j++) coef[j][4] = cof[j][4];
  }
 
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2010-04-22 02:26
fzyjane
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找到出错的地方了。 谢谢!
tmp0 +=exp(su0); 应该是 tmp0 =exp(su0);
天哪,看来写程序的时候一定要小心,不然debug会搞死人。
2010-04-22 04:28
快速回复:帮忙看一下,这段程序错在哪里?
数据加载中...
 
   



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