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Diff for /OpenXM_contrib2/asir2000/engine/up_lm.c between version 1.1 and 1.6

version 1.1, 1999/12/03 07:39:08 version 1.6, 2001/10/09 01:36:14
Line 1 
Line 1 
 /* $OpenXM: OpenXM/src/asir99/engine/up_lm.c,v 1.2 1999/11/18 05:42:02 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/up_lm.c,v 1.5 2001/09/03 07:01:06 noro Exp $
   */
 #include "ca.h"  #include "ca.h"
 #include <math.h>  #include <math.h>
   
Line 6  extern GC_dont_gc;
Line 54  extern GC_dont_gc;
 extern struct oEGT eg_chrem,eg_fore,eg_back;  extern struct oEGT eg_chrem,eg_fore,eg_back;
 extern int debug_up;  extern int debug_up;
 extern int up_lazy;  extern int up_lazy;
   extern int current_ff;
   
 void crup_lm(ModNum **,int,int *,int,N,N,UP *);  void fft_mulup_lm(UP n1,UP n2,UP *nr)
   
 void fft_mulup_lm(n1,n2,nr)  
 UP n1,n2;  
 UP *nr;  
 {  {
         ModNum *f1,*f2,*w,*fr;          ModNum *f1,*f2,*w,*fr;
         ModNum *frarray[1024];          ModNum *frarray[1024];
Line 60  UP *nr;
Line 105  UP *nr;
         error("fft_mulup : FFT_primes exhausted");          error("fft_mulup : FFT_primes exhausted");
 }  }
   
 void fft_squareup_lm(n1,nr)  void fft_squareup_lm(UP n1,UP *nr)
 UP n1;  
 UP *nr;  
 {  {
         ModNum *f1,*w,*fr;          ModNum *f1,*w,*fr;
         ModNum *frarray[1024];          ModNum *frarray[1024];
Line 109  UP *nr;
Line 152  UP *nr;
         error("fft_squareup : FFT_primes exhausted");          error("fft_squareup : FFT_primes exhausted");
 }  }
   
 void trunc_fft_mulup_lm(n1,n2,dbd,nr)  void trunc_fft_mulup_lm(UP n1,UP n2,int dbd,UP *nr)
 UP n1,n2;  
 int dbd;  
 UP *nr;  
 {  {
         ModNum *f1,*f2,*fr,*w;          ModNum *f1,*f2,*fr,*w;
         ModNum *frarray[1024];          ModNum *frarray[1024];
Line 162  UP *nr;
Line 202  UP *nr;
         error("trunc_fft_mulup : FFT_primes exhausted");          error("trunc_fft_mulup : FFT_primes exhausted");
 }  }
   
 void crup_lm(f,d,mod,index,m,lm_mod,r)  void crup_lm(ModNum **f,int d,int *mod,int index,N m,N lm_mod,UP *r)
 ModNum **f;  
 int d;  
 int *mod;  
 int index;  
 N m;  
 N lm_mod;  
 UP *r;  
 {  {
         double *k;          double *k;
         double c2;          double c2;
Line 183  UP *r;
Line 216  UP *r;
         unsigned int **sum;          unsigned int **sum;
         unsigned int *sum_b;          unsigned int *sum_b;
         Q q;          Q q;
         struct oEGT eg0,eg1;  
   
         if ( !lm_mod )          if ( !lm_mod )
                 error("crup_lm : current_mod_lm is not set");                  error("crup_lm : current_mod_lm is not set");
Line 255  UP *r;
Line 287  UP *r;
         addup(s,s1,r);          addup(s,s1,r);
 }  }
   
 void fft_rembymulup_special_lm(n1,n2,inv2,nr)  void fft_rembymulup_special_lm(UP n1,UP n2,UP inv2,UP *nr)
 UP n1,n2,inv2;  
 UP *nr;  
 {  {
         int d1,d2,d;          int d1,d2,d;
         UP r1,t,s,q,u;          UP r1,t,s,q,u;
Line 280  UP *nr;
Line 310  UP *nr;
         }          }
 }  }
   
 void uptolmup(n,nr)  void uptolmup(UP n,UP *nr)
 UP n;  
 UP *nr;  
 {  {
         int i,d;          int i,d;
         Q *c;          Q *c;
Line 304  UP *nr;
Line 332  UP *nr;
         }          }
 }  }
   
 save_up(obj,name)  void save_up(UP obj,char *name)
 UP obj;  
 char *name;  
 {  {
         P p;          P p;
         Obj ret;          Obj ret;
         NODE n0,n1;          NODE n0,n1;
         STRING s;          STRING s;
           void Pbsave();
   
         uptop(obj,&p);          uptop(obj,&p);
         MKSTR(s,name);          MKSTR(s,name);
Line 319  char *name;
Line 346  char *name;
         Pbsave(n0,&ret);          Pbsave(n0,&ret);
 }  }
   
 void hybrid_powermodup(f,xp)  void hybrid_powermodup(UP f,UP *xp)
 UP f;  
 UP *xp;  
 {  {
         N n;          N n;
         UP x,y,t,invf,s;          UP x,y,t,invf,s;
         int k;          int k;
         LM lm;          LM lm;
         struct oEGT eg_sq,eg_rem,eg_mul,eg_inv,eg0,eg1,eg2,eg3;  
         char name[BUFSIZ];  
   
         getmod_lm(&n);          getmod_lm(&n);
         if ( !n )          if ( !n )
Line 352  UP *xp;
Line 375  UP *xp;
         *xp = y;          *xp = y;
 }  }
   
 void powermodup(f,xp)  void powermodup(UP f,UP *xp)
 UP f;  
 UP *xp;  
 {  {
         N n;          N n;
         UP x,y,t,invf,s;          UP x,y,t,invf,s;
         int k;          int k;
         LM lm;          Num c;
         struct oEGT eg_sq,eg_rem,eg_mul,eg_inv,eg0,eg1,eg2,eg3;  
   
           if ( !current_ff )
                   error("powermodup : current_ff is not set");
         field_order_ff(&n);          field_order_ff(&n);
         if ( !n )          one_ff(&c);
                 error("powermodup : current_mod_lm is not set");          x = UPALLOC(1); x->d = 1; x->c[1] = c;
         MKLM(ONEN,lm);          y = UPALLOC(0); y->d = 0; y->c[0] = c;
         x = UPALLOC(1); x->d = 1; x->c[1] = (Num)lm;  
         y = UPALLOC(0); y->d = 0; y->c[0] = (Num)lm;  
   
         reverseup(f,f->d,&t);          reverseup(f,f->d,&t);
         invmodup(t,f->d,&s); uptolmup(s,&invf);          invmodup(t,f->d,&s);
           switch ( current_ff ) {
                   case FF_GFP:
                   case FF_GFPN:
                           uptolmup(s,&invf);
                           break;
                   case FF_GFS:
                   case FF_GFSN:
                           invf = s; /* XXX */
                           break;
                   default:
                           error("powermodup : not implemented yet");
           }
         for ( k = n_bits(n)-1; k >= 0; k-- ) {          for ( k = n_bits(n)-1; k >= 0; k-- ) {
                 ksquareup(y,&t);                  ksquareup(y,&t);
                 rembymulup_special(t,f,invf,&s);                  rembymulup_special(t,f,invf,&s);
Line 386  UP *xp;
Line 418  UP *xp;
   
 /* g^d mod f */  /* g^d mod f */
   
 void hybrid_generic_powermodup(g,f,d,xp)  void hybrid_generic_powermodup(UP g,UP f,Q d,UP *xp)
 UP g,f;  
 Q d;  
 UP *xp;  
 {  {
         N e;          N e;
         UP x,y,t,invf,s;          UP x,y,t,invf,s;
         int k;          int k;
         LM lm;          LM lm;
         struct oEGT eg_sq,eg_rem,eg_mul,eg_inv,eg0,eg1,eg2,eg3;  
   
         e = NM(d);          e = NM(d);
         MKLM(ONEN,lm);          MKLM(ONEN,lm);
Line 423  UP *xp;
Line 451  UP *xp;
         *xp = y;          *xp = y;
 }  }
   
 void generic_powermodup(g,f,d,xp)  void generic_powermodup(UP g,UP f,Q d,UP *xp)
 UP g,f;  
 Q d;  
 UP *xp;  
 {  {
         N e;          N e;
         UP x,y,t,invf,s;          UP x,y,t,invf,s;
         int k;          int k;
         LM lm;          Num c;
         struct oEGT eg_sq,eg_rem,eg_mul,eg_inv,eg0,eg1,eg2,eg3;  
   
         e = NM(d);          e = NM(d);
         MKLM(ONEN,lm);          one_ff(&c);
         y = UPALLOC(0); y->d = 0; y->c[0] = (Num)lm;          y = UPALLOC(0); y->d = 0; y->c[0] = c;
         remup(g,f,&x);          remup(g,f,&x);
         if ( !x ) {          if ( !x ) {
                 *xp = !d ? y : 0;                  *xp = !d ? y : 0;
Line 460  UP *xp;
Line 484  UP *xp;
         *xp = y;          *xp = y;
 }  }
   
 void hybrid_powertabup(f,xp,tab)  void hybrid_powertabup(UP f,UP xp,UP *tab)
 UP f;  
 UP xp;  
 UP *tab;  
 {  {
         UP y,t,invf;          UP y,t,invf;
         int i,d;          int i,d;
         LM lm;          LM lm;
         struct oEGT eg_rem,eg_mul,eg0,eg1,eg2;  
   
         d = f->d;          d = f->d;
         MKLM(ONEN,lm);          MKLM(ONEN,lm);
Line 487  UP *tab;
Line 507  UP *tab;
         }          }
 }  }
   
 void powertabup(f,xp,tab)  void powertabup(UP f,UP xp,UP *tab)
 UP f;  
 UP xp;  
 UP *tab;  
 {  {
         UP y,t,invf;          UP y,t,invf;
         int i,d;          int i,d;
         LM lm;          Num c;
         struct oEGT eg_rem,eg_mul,eg0,eg1,eg2;  
   
         d = f->d;          d = f->d;
         MKLM(ONEN,lm);          one_ff(&c);
         y = UPALLOC(0); y->d = 0; y->c[0] = (Num)lm;          y = UPALLOC(0); y->d = 0; y->c[0] = c;
         tab[0] = y;          tab[0] = y;
         tab[1] = xp;          tab[1] = xp;
   
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