version 1.1, 1999/12/03 07:39:08 |
version 1.8, 2002/08/08 10:57:01 |
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/* $OpenXM: OpenXM/src/asir99/engine/Q.c,v 1.1.1.1 1999/11/10 08:12:26 noro Exp $ */ |
/* |
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* Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED |
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* All rights reserved. |
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* |
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* FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited, |
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* non-exclusive and royalty-free license to use, copy, modify and |
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* redistribute, solely for non-commercial and non-profit purposes, the |
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* computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and |
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* conditions of this Agreement. For the avoidance of doubt, you acquire |
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* only a limited right to use the SOFTWARE hereunder, and FLL or any |
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* third party developer retains all rights, including but not limited to |
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* copyrights, in and to the SOFTWARE. |
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* |
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* (1) FLL does not grant you a license in any way for commercial |
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* purposes. You may use the SOFTWARE only for non-commercial and |
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* non-profit purposes only, such as academic, research and internal |
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* business use. |
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* (2) The SOFTWARE is protected by the Copyright Law of Japan and |
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* international copyright treaties. If you make copies of the SOFTWARE, |
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* with or without modification, as permitted hereunder, you shall affix |
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* to all such copies of the SOFTWARE the above copyright notice. |
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* (3) An explicit reference to this SOFTWARE and its copyright owner |
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* shall be made on your publication or presentation in any form of the |
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* results obtained by use of the SOFTWARE. |
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* (4) In the event that you modify the SOFTWARE, you shall notify FLL by |
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* e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification |
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* for such modification or the source code of the modified part of the |
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* SOFTWARE. |
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* |
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* THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL |
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* MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND |
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* EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS |
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* FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES' |
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* RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY |
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* MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY. |
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* UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT, |
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* OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY |
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL |
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* DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES |
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* ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES |
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* FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY |
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* DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF |
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* SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART |
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* OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY |
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* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
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* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
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* |
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* $OpenXM: OpenXM_contrib2/asir2000/engine/Q.c,v 1.7 2001/10/09 01:36:11 noro Exp $ |
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*/ |
#include "ca.h" |
#include "ca.h" |
#include "base.h" |
#include "base.h" |
#include "inline.h" |
#include "inline.h" |
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void addq(n1,n2,nr) |
void addq(Q n1,Q n2,Q *nr) |
Q n1,n2,*nr; |
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{ |
{ |
N nm,dn,nm1,nm2,nm3,dn0,dn1,dn2,g,g1,g0,m; |
N nm,dn,nm1,nm2,nm3,dn0,dn1,dn2,g,g1,g0,m; |
int sgn; |
int sgn; |
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} |
} |
} |
} |
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void subq(n1,n2,nr) |
void subq(Q n1,Q n2,Q *nr) |
Q n1,n2,*nr; |
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{ |
{ |
Q m; |
Q m; |
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} |
} |
} |
} |
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void mulq(n1,n2,nr) |
void mulq(Q n1,Q n2,Q *nr) |
Q n1,n2,*nr; |
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{ |
{ |
N nm,nm1,nm2,dn,dn1,dn2,g; |
N nm,nm1,nm2,dn,dn1,dn2,g; |
int sgn; |
int sgn; |
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} |
} |
} |
} |
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void divq(n1,n2,nq) |
void divq(Q n1,Q n2,Q *nq) |
Q n1,n2,*nq; |
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{ |
{ |
Q m; |
Q m; |
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} |
} |
} |
} |
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void invq(n,nr) |
void divsq(Q n1,Q n2,Q *nq) |
Q n,*nr; |
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{ |
{ |
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int sgn; |
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N tn; |
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if ( !n2 ) { |
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error("division by 0"); |
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*nq = 0; |
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return; |
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} else if ( !n1 ) |
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*nq = 0; |
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else if ( n1 == n2 ) |
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*nq = ONE; |
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else { |
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divsn(NM(n1),NM(n2),&tn); |
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sgn = SGN(n1)*SGN(n2); |
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NTOQ(tn,sgn,*nq); |
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} |
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} |
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void invq(Q n,Q *nr) |
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{ |
N nm,dn; |
N nm,dn; |
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if ( INT(n) ) |
if ( INT(n) ) |
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} |
} |
} |
} |
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void chsgnq(n,nr) |
void chsgnq(Q n,Q *nr) |
Q n,*nr; |
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{ |
{ |
Q t; |
Q t; |
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} |
} |
} |
} |
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void pwrq(n1,n,nr) |
void pwrq(Q n1,Q n,Q *nr) |
Q n1,n,*nr; |
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{ |
{ |
N nm,dn; |
N nm,dn; |
int sgn; |
int sgn; |
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} |
} |
} |
} |
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int cmpq(q1,q2) |
int cmpq(Q q1,Q q2) |
Q q1,q2; |
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{ |
{ |
int sgn; |
int sgn; |
N t,s; |
N t,s; |
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} |
} |
} |
} |
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void remq(n,m,nr) |
void remq(Q n,Q m,Q *nr) |
Q n,m; |
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Q *nr; |
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{ |
{ |
N q,r,s; |
N q,r,s; |
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} |
} |
} |
} |
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void mkbc(n,t) |
/* t = [nC0 nC1 ... nCn] */ |
int n; |
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Q *t; |
void mkbc(int n,Q *t) |
{ |
{ |
int i; |
int i; |
N c,d; |
N c,d; |
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t[i] = t[n-i]; |
t[i] = t[n-i]; |
} |
} |
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void factorial(n,r) |
/* |
int n; |
* Dx^k*x^l = W(k,l,0)*x^l*Dx^k+W(k,l,1)*x^(l-1)*x^(k-1)*+... |
Q *r; |
* |
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* t = [W(k,l,0) W(k,l,1) ... W(k,l,min(k,l)] |
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* where W(k,l,i) = i! * kCi * lCi |
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*/ |
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void mkwc(int k,int l,Q *t) |
{ |
{ |
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int i,n,up,low; |
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N nm,d,c; |
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n = MIN(k,l); |
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for ( t[0] = ONE, i = 1; i <= n; i++ ) { |
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DM(k-i+1,l-i+1,up,low); |
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if ( up ) { |
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nm = NALLOC(2); PL(nm) = 2; BD(nm)[0] = low; BD(nm)[1] = up; |
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} else { |
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nm = NALLOC(1); PL(nm) = 1; BD(nm)[0] = low; |
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} |
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kmuln(NM(t[i-1]),nm,&d); divin(d,i,&c); NTOQ(c,1,t[i]); |
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} |
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} |
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/* mod m table */ |
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/* XXX : should be optimized */ |
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void mkwcm(int k,int l,int m,int *t) |
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{ |
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int i,n; |
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Q *s; |
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n = MIN(k,l); |
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s = (Q *)ALLOCA((n+1)*sizeof(Q)); |
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mkwc(k,l,s); |
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for ( i = 0; i <= n; i++ ) { |
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t[i] = rem(NM(s[i]),m); |
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} |
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} |
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#if 0 |
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void factorial(int n,Q *r) |
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{ |
Q t,iq,s; |
Q t,iq,s; |
unsigned int i,m,m0; |
unsigned int i,m,m0; |
unsigned int c; |
unsigned int c; |
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*r = t; |
*r = t; |
} |
} |
} |
} |
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#endif |
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void invl(a,mod,ar) |
void partial_factorial(int s,int e,N *r); |
Q a,mod,*ar; |
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void factorial(int n,Q *r) |
{ |
{ |
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N nm; |
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if ( !n ) |
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*r = ONE; |
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else if ( n < 0 ) |
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*r = 0; |
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else { |
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partial_factorial(1,n,&nm); |
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NTOQ(nm,1,*r); |
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} |
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} |
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/* s*(s+1)*...*e */ |
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void partial_factorial(int s,int e,N *r) |
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{ |
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unsigned int len,i,m,m0,c; |
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unsigned int *p,*p1,*p2; |
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N nm,r1,r2; |
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/* XXX */ |
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if ( e-s > 2000 ) { |
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m = (e+s)/2; |
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partial_factorial(s,m,&r1); |
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partial_factorial(m+1,e,&r2); |
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kmuln(r1,r2,r); |
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return; |
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} |
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/* find i s.t. 2^(i-1) < m <= 2^i */ |
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for ( i = 0, m = 1; m < e; m <<=1, i++ ); |
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/* XXX estimate of word length of the result */ |
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len = (i*(e-s+1)+1+31)/32; |
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p = ALLOCA(len*sizeof(int)); |
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p1 = ALLOCA(len*sizeof(int)); |
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p[0] = s; |
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len = 1; |
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for ( i = s+1; (int)i <= e; ) { |
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for ( m0 = m = 1, c = 0; ((int)i <= e) && !c; i++ ) { |
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m0 = m; DM(m0,i,c,m) |
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} |
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if ( c ) { |
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m = m0; i--; |
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} |
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bzero(p1,(len+1)*sizeof(int)); |
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muln_1(p,len,m,p1); |
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if ( p1[len] ) |
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len++; |
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p2 = p; p = p1; p1 = p2; |
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} |
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*r = nm = NALLOC(len); |
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bcopy(p,BD(nm),sizeof(int)*len); |
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PL(nm) = len; |
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} |
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void invl(Q a,Q mod,Q *ar) |
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{ |
Q f1,f2,a1,a2,q,m,s; |
Q f1,f2,a1,a2,q,m,s; |
N qn,rn; |
N qn,rn; |
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int kara_mag=100; |
int kara_mag=100; |
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void kmuln(n1,n2,nr) |
void kmuln(N n1,N n2,N *nr) |
N n1,n2,*nr; |
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{ |
{ |
N n,t,s,m,carry; |
N n,t,s,m,carry; |
int d,d1,d2,len,i,l; |
int d,d1,d2,len,i,l; |
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bcopy((char *)r0,(char *)BD(t),l*sizeof(int)); |
bcopy((char *)r0,(char *)BD(t),l*sizeof(int)); |
} |
} |
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void extractn(n,index,len,nr) |
void extractn(N n,int index,int len,N *nr) |
N n; |
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int index,len; |
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N *nr; |
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{ |
{ |
unsigned int *m; |
unsigned int *m; |
int l; |
int l; |
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} |
} |
} |
} |
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void copyn(n,len,p) |
void copyn(N n,int len,int *p) |
N n; |
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int len; |
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int *p; |
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{ |
{ |
if ( n ) |
if ( n ) |
bcopy((char *)BD(n),(char *)p,MIN(PL(n),len)*sizeof(int)); |
bcopy((char *)BD(n),(char *)p,MIN(PL(n),len)*sizeof(int)); |
} |
} |
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void dupn(n,p) |
void dupn(N n,N p) |
N n; |
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N p; |
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{ |
{ |
if ( n ) |
if ( n ) |
bcopy((char *)n,(char *)p,(1+PL(n))*sizeof(int)); |
bcopy((char *)n,(char *)p,(1+PL(n))*sizeof(int)); |
} |
} |
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void kmulnmain(n1,n2,nr) |
void kmulnmain(N n1,N n2,N *nr) |
N n1,n2,*nr; |
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{ |
{ |
int d1,d2,h,sgn,sgn1,sgn2,len; |
int d1,d2,h,sgn,sgn1,sgn2,len; |
N n1lo,n1hi,n2lo,n2hi,hi,lo,mid1,mid2,mid,s1,s2,t1,t2; |
N n1lo,n1hi,n2lo,n2hi,hi,lo,mid1,mid2,mid,s1,s2,t1,t2; |