/*
 * 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/asir2018/engine/Ebug.c,v 1.2 2018/09/28 08:20:28 noro Exp $
*/
#include "ca.h"

void substvp(VL vl,P f,VN vn,P *g)
{
  V v;
  int i;
  P h,h1;
  Z t;

  h = f;
  for ( i = 0; (v = vn[i].v) != 0; i++ ) {
    STOZ(vn[i].n,t);
    substp(vl,h,v,(P)t,&h1); h = h1;
  }
  *g = h;
}
    
void affine(VL vl,P f,VN vn,P *fr)
{
  int i,j,n;
  P vv,g,g1,t,u;
  Z s;
  int *dlist;
  P **plist;

  for ( n = 0; vn[n].v; n++);
  dlist = (int *)ALLOCA((n+1)*sizeof(int));  
  plist = (P **)ALLOCA((n+1)*sizeof(P *));  
  for ( i = 0; vn[i].v; i++ ) {
    if ( !vn[i].n )
      continue;
    dlist[i] = getdeg(vn[i].v,f); 
    plist[i] = (P *)ALLOCA((dlist[i]+1)*sizeof(P));

    MKV(vn[i].v,t);
    if ( vn[i].n ) {
      STOZ(vn[i].n,s); addp(vl,t,(P)s,&vv); 
    } else 
      vv = t;

    for ( j = 0, t = (P)ONE; j < dlist[i]; j++ ) {
      plist[i][j] = t;
      mulp(vl,t,vv,&u);
      t = u;
    }
    plist[i][j] = t;
  }

  g = f;
  for ( i = 0; vn[i].v; i++ ) {
    if ( !vn[i].n )
      continue;
    affinemain(vl,g,vn[i].v,dlist[i],plist[i],&g1); g = g1;
  }
  *fr = g;
}