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Diff for /OpenXM_contrib2/asir2000/engine/NEZ.c between version 1.1 and 1.5

version 1.1, 1999/12/03 07:39:08 version 1.5, 2006/12/03 01:04:10
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 /* $OpenXM: OpenXM/src/asir99/engine/NEZ.c,v 1.1.1.1 1999/11/10 08:12:26 noro Exp $ */  /*
    * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
    * All rights reserved.
    *
    * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
    * non-exclusive and royalty-free license to use, copy, modify and
    * redistribute, solely for non-commercial and non-profit purposes, the
    * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
    * conditions of this Agreement. For the avoidance of doubt, you acquire
    * only a limited right to use the SOFTWARE hereunder, and FLL or any
    * third party developer retains all rights, including but not limited to
    * copyrights, in and to the SOFTWARE.
    *
    * (1) FLL does not grant you a license in any way for commercial
    * purposes. You may use the SOFTWARE only for non-commercial and
    * non-profit purposes only, such as academic, research and internal
    * business use.
    * (2) The SOFTWARE is protected by the Copyright Law of Japan and
    * international copyright treaties. If you make copies of the SOFTWARE,
    * with or without modification, as permitted hereunder, you shall affix
    * to all such copies of the SOFTWARE the above copyright notice.
    * (3) An explicit reference to this SOFTWARE and its copyright owner
    * shall be made on your publication or presentation in any form of the
    * results obtained by use of the SOFTWARE.
    * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
    * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
    * for such modification or the source code of the modified part of the
    * SOFTWARE.
    *
    * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
    * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
    * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
    * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
    * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
    * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
    * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
    * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
    * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
    * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
    * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
    * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
    * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
    * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
    * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
    * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
    * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
    *
    * $OpenXM: OpenXM_contrib2/asir2000/engine/NEZ.c,v 1.4 2002/12/09 07:24:52 noro Exp $
   */
 #include "ca.h"  #include "ca.h"
   
 void nezgcdnpz(vl,ps,m,pr)  void nezgcdnpz(vl,ps,m,pr)
Line 263  P p0,*ps,*pr;
Line 311  P p0,*ps,*pr;
         P *tps;          P *tps;
         VL nvl1,nvl2,nvl,tvl;          VL nvl1,nvl2,nvl,tvl;
         V v;          V v;
         int i,j,k,d0,dg,dg0,dmin;          int i,j,k,d0,dg,dg0,dmin,z;
         VN vn0,vn1,vnt;          VN vn1;
         int nv,flag;          int nv,flag,max;
   
         /* set-up */          /* set-up */
         if ( NUM(p0) ) {          if ( NUM(p0) ) {
Line 300  P p0,*ps,*pr;
Line 348  P p0,*ps,*pr;
   
         mulp(nvl,p0,lg,&lgp0); k = dbound(v,lgp0)+1; cbound(nvl,lgp0,(Q *)&cbd);          mulp(nvl,p0,lg,&lgp0); k = dbound(v,lgp0)+1; cbound(nvl,lgp0,(Q *)&cbd);
         for ( nv = 0, tvl = nvl; tvl; tvl = NEXT(tvl), nv++ );          for ( nv = 0, tvl = nvl; tvl; tvl = NEXT(tvl), nv++ );
         W_CALLOC(nv,struct oVN,vn0); W_CALLOC(nv,struct oVN,vnt);  
         W_CALLOC(nv,struct oVN,vn1);          W_CALLOC(nv,struct oVN,vn1);
         for ( i = 0, tvl = NEXT(nvl); tvl; tvl = NEXT(tvl), i++ )          for ( i = 0, tvl = NEXT(nvl); tvl; tvl = NEXT(tvl), i++ )
                 vn1[i].v = vn0[i].v = tvl->v;                  vn1[i].v = tvl->v;
   
         /* main loop */          /* main loop */
         for ( dg = deg(v,tps[0]) + 1; ; next(vn0) )          /* finally, 'max' random evaluations will be generated */
                 do {          for ( max = 1, dg = deg(v,tps[0]) + 1; ; max = 2*max )
                         for ( i = 0, j = 0; vn0[i].v; i++ )                  for ( z = 0; z < max; z++ ) {
                                 if ( vn0[i].n ) vnt[j++].v = (V)i;                          for ( i = 0; vn1[i].v; i++ )
                         vnt[j].n = 0;                                  vn1[i].n = mt_genrand()%max;
   
                         /* find b s.t. LC(p0)(b), LC(tps[i])(b) != 0 */                          /* find b s.t. LC(p0)(b), LC(tps[i])(b) != 0 */
                         mulsgn(vn0,vnt,j,vn1); substvp(nvl,p0,vn1,&p00);  
                           substvp(nvl,p0,vn1,&p00);
                         flag = (!zerovpchk(nvl,lp0,vn1) && sqfrchk(p00));                          flag = (!zerovpchk(nvl,lp0,vn1) && sqfrchk(p00));
                         for ( i = 0; flag && (i < m); i++ )                          for ( i = 0; flag && (i < m); i++ )
                                 flag &= (!zerovpchk(nvl,LC(tps[i]),vn1));                                  flag &= (!zerovpchk(nvl,LC(tps[i]),vn1));
Line 346  P p0,*ps,*pr;
Line 394  P p0,*ps,*pr;
                                         }                                          }
                                 }                                  }
                         }                          }
                 } while ( !nextbin(vnt,j) );                  }
 }  }
   
 void intersectv(vl1,vl2,vlp)  void intersectv(vl1,vl2,vlp)
Line 445  P p;
Line 493  P p;
                 for ( dc = DC(p), n = 0; dc; dc = NEXT(dc) )                  for ( dc = DC(p), n = 0; dc; dc = NEXT(dc) )
                         n += lengthp(COEF(dc));                          n += lengthp(COEF(dc));
                 return n;                  return n;
           }
   }
   
   int nonzero_const_term(P p)
   {
           DCP dc;
   
           if ( !p )
                   return 0;
           else if ( NUM(p) )
                   return 1;
           else {
                   dc = DC(p);
                   for ( ; NEXT(dc); dc = NEXT(dc) );
                   if ( DEG(dc) )
                           return 0;
                   else
                           return nonzero_const_term(COEF(dc));
         }          }
 }  }
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