version 1.6, 2001/04/20 02:34:21 |
version 1.9, 2001/07/04 07:19:19 |
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* 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/engine/F.c,v 1.5 2001/04/19 04:52:41 noro Exp $ |
* $OpenXM: OpenXM_contrib2/asir2000/engine/F.c,v 1.8 2001/05/28 08:25:31 noro Exp $ |
*/ |
*/ |
#include "ca.h" |
#include "ca.h" |
#include <math.h> |
#include <math.h> |
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void homfctr(); |
void homfctr(); |
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void mfctr_wrt_v(); |
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int use_new_hensel; |
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void fctrp(vl,f,dcp) |
void fctrp(vl,f,dcp) |
VL vl; |
VL vl; |
P f; |
P f; |
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} |
} |
} |
} |
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void fctr_wrt_v_p(vl,f,v,dcp) |
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VL vl; |
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P f; |
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V v; |
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DCP *dcp; |
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{ |
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VL nvl; |
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DCP dc; |
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if ( !f || NUM(f) ) { |
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NEWDC(dc); COEF(dc) = f; DEG(dc) = ONE; |
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NEXT(dc) = 0; *dcp = dc; |
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return; |
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} else if ( !qpcheck((Obj)f) ) |
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error("fctrp : invalid argument"); |
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else { |
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clctv(vl,f,&nvl); |
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if ( !NEXT(nvl) ) |
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ufctr(f,1,dcp); |
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else |
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mfctr_wrt_v(nvl,f,v,dcp); |
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} |
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} |
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void homfctr(vl,g,dcp) |
void homfctr(vl,g,dcp) |
VL vl; |
VL vl; |
P g; |
P g; |
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adjsgn(f,dc0); *dcp = dc0; |
adjsgn(f,dc0); *dcp = dc0; |
} |
} |
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void mfctr_wrt_v(vl,f,v,dcp) |
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VL vl; |
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P f; |
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V v; |
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DCP *dcp; |
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{ |
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DCP dc,dc0,dct,dcs,dcr; |
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P p,pmin,ppmin,cmin,t; |
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VL nvl,mvl; |
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Q c; |
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ptozp(f,1,&c,&p); |
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NEWDC(dc0); dc = dc0; COEF(dc) = (P)c; DEG(dc) = ONE; NEXT(dc) = 0; |
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msqfr(vl,p,&dct); |
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for ( ; dct; dct = NEXT(dct) ) { |
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clctv(vl,f,&nvl); |
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reordvar(nvl,v,&mvl); |
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reorderp(mvl,vl,f,&pmin); |
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pcp(mvl,pmin,&ppmin,&cmin); |
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if ( !NUM(cmin) ) { |
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mfctrmain(mvl,cmin,&dcs); |
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for ( dcr = dcs; dcr; dcr = NEXT(dcr) ) { |
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DEG(dcr) = DEG(dct); |
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reorderp(vl,mvl,COEF(dcr),&t); COEF(dcr) = t; |
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} |
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for ( ; NEXT(dc); dc = NEXT(dc) ); |
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NEXT(dc) = dcs; |
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} |
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mfctrmain(mvl,ppmin,&dcs); |
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for ( dcr = dcs; dcr; dcr = NEXT(dcr) ) { |
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DEG(dcr) = DEG(dct); |
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reorderp(vl,mvl,COEF(dcr),&t); COEF(dcr) = t; |
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} |
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for ( ; NEXT(dc); dc = NEXT(dc) ); |
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NEXT(dc) = dcs; |
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} |
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adjsgn(f,dc0); *dcp = dc0; |
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} |
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#if 0 |
#if 0 |
void adjsgn(p,dc) |
void adjsgn(p,dc) |
P p; |
P p; |
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else if ( iscycp(p) ) |
else if ( iscycp(p) ) |
cycp(VR(p),UDEG(p),dcp); |
cycp(VR(p),UDEG(p),dcp); |
else { |
else { |
hensel(5,5,p,&list); |
if ( use_new_hensel ) |
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hensel2(5,5,p,&list); |
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else |
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hensel(5,5,p,&list); |
if ( list->n == 1 ) { |
if ( list->n == 1 ) { |
NEWDC(dc); DEG(dc) = ONE; COEF(dc) = p; NEXT(dc) = 0; |
NEWDC(dc); DEG(dc) = ONE; COEF(dc) = p; NEXT(dc) = 0; |
*dcp = dc; |
*dcp = dc; |
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*dcp = dc; |
*dcp = dc; |
return; |
return; |
} else { |
} else { |
d = d1; |
d = d1+1; /* XXX : try searching better evaluation */ |
found = 1; |
found = 0; |
sp0 = p0; sdc0 = dc0; |
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bcopy((char *)vn1,(char *)svn1,(int)(sizeof(struct oVN)*nv)); |
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break; |
break; |
} |
} |
} |
} |