| version 1.9, 2001/06/28 08:57:20 |
version 1.12, 2001/09/03 07:01:05 |
|
|
| * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
| * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
| * |
* |
| * $OpenXM: OpenXM_contrib2/asir2000/builtin/gf.c,v 1.8 2001/06/25 10:01:27 noro Exp $ |
* $OpenXM: OpenXM_contrib2/asir2000/builtin/gf.c,v 1.11 2001/08/02 03:59:15 noro Exp $ |
| */ |
*/ |
| #include "ca.h" |
#include "ca.h" |
| #include "parse.h" |
#include "parse.h" |
| Line 67 void nullspace_lm(LM **,int,int *); |
|
| Line 67 void nullspace_lm(LM **,int,int *); |
|
| void nullspace_gf2n(GF2N **,int,int *); |
void nullspace_gf2n(GF2N **,int,int *); |
| void nullspace_gfpn(GFPN **,int,int *); |
void nullspace_gfpn(GFPN **,int,int *); |
| void nullspace_gfs(GFS **,int,int *); |
void nullspace_gfs(GFS **,int,int *); |
| |
void nullspace_gfsn(GFSN **,int,int *); |
| void null_to_sol(int **,int *,int,int,UM *); |
void null_to_sol(int **,int *,int,int,UM *); |
| |
|
| void showgfmat(UM **,int); |
void showgfmat(UM **,int); |
|
|
| } |
} |
| dx = getdeg(x,f); |
dx = getdeg(x,f); |
| dy = getdeg(y,f); |
dy = getdeg(y,f); |
| if ( bound < dy+1 ) bound = dy+1; |
dy = MAX(dy,bound); |
| fl = BMALLOC(dx,bound); |
fl = BMALLOC(dx,dy); |
| ptosfbm(bound,f,fl); |
ptosfbm(dy,f,fl); |
| shiftsfbm(bound,fl,FTOIF(CONT(ev))); |
if ( ev ) shiftsfbm(fl,FTOIF(CONT(ev))); |
| |
|
| /* fm = fl mod y */ |
/* fm = fl mod y */ |
| fm = W_UMALLOC(dx); |
fm = W_UMALLOC(dx); |
|
|
| r[i] = fl; |
r[i] = fl; |
| |
|
| for ( i = fn-1, top = 0; i >= 0; i-- ) { |
for ( i = fn-1, top = 0; i >= 0; i-- ) { |
| sfbmtop(bound,r[i],x,y,&s); |
sfbmtop(r[i],x,y,&s); |
| reorderp(CO,vl,s,&u); |
reorderp(CO,vl,s,&u); |
| MKNODE(t,u,top); top = t; |
MKNODE(t,u,top); top = t; |
| } |
} |
|
|
| nullspace_gfpn((GFPN **)w,n,ind); break; |
nullspace_gfpn((GFPN **)w,n,ind); break; |
| case FF_GFS: |
case FF_GFS: |
| nullspace_gfs((GFS **)w,n,ind); break; |
nullspace_gfs((GFS **)w,n,ind); break; |
| |
case FF_GFSN: |
| |
nullspace_gfsn((GFSN **)w,n,ind); break; |
| default: |
default: |
| error("nullspace_ff : current_ff is not set"); |
error("nullspace_ff : current_ff is not set"); |
| } |
} |
|
|
| chsgngfs(u[j],&h); |
chsgngfs(u[j],&h); |
| for ( s = j; s < n; s++ ) { |
for ( s = j; s < n; s++ ) { |
| mulgfs(h,t[s],&w); addgfs(w,u[s],&w1); u[s] = w1; |
mulgfs(h,t[s],&w); addgfs(w,u[s],&w1); u[s] = w1; |
| |
} |
| |
} |
| |
} |
| |
} |
| |
|
| |
void nullspace_gfsn(mat,n,ind) |
| |
GFSN **mat; |
| |
int n; |
| |
int *ind; |
| |
{ |
| |
int i,j,l,s; |
| |
GFSN w,w1,h,inv; |
| |
GFSN *t,*u; |
| |
GFSN one; |
| |
|
| |
bzero(ind,n*sizeof(int)); |
| |
ind[0] = 0; |
| |
|
| |
for ( i = j = 0; j < n; i++, j++ ) { |
| |
for ( ; j < n; j++ ) { |
| |
for ( l = i; l < n; l++ ) |
| |
if ( mat[l][j] ) |
| |
break; |
| |
if ( l < n ) { |
| |
t = mat[i]; mat[i] = mat[l]; mat[l] = t; break; |
| |
} else |
| |
ind[j] = 1; |
| |
} |
| |
if ( j == n ) |
| |
break; |
| |
invgfsn(mat[i][j],&inv); |
| |
for ( s = j, t = mat[i]; s < n; s++ ) { |
| |
mulgfsn(t[s],inv,&w); t[s] = w; |
| |
} |
| |
for ( l = 0; l < n; l++ ) { |
| |
if ( l == i ) |
| |
continue; |
| |
u = mat[l]; |
| |
chsgngfsn(u[j],&h); |
| |
for ( s = j; s < n; s++ ) { |
| |
mulgfsn(h,t[s],&w); addgfsn(w,u[s],&w1); u[s] = w1; |
| } |
} |
| } |
} |
| } |
} |