File: [local] / OpenXM_contrib2 / asir2000 / engine / RU.c (download)
Revision 1.3, Tue Aug 22 05:04:05 2000 UTC (24 years, 1 month ago) by noro
Branch: MAIN
CVS Tags: maekawa-ipv6, STABLE_1_1_3, RELEASE_1_2_1, RELEASE_1_1_3 Changes since 1.2: +2 -2
lines
Sorry, the email address in the license agreement was incorrect.
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/*
* 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/RU.c,v 1.3 2000/08/22 05:04:05 noro Exp $
*/
#include "ca.h"
int qcoefr(r)
Obj r;
{
if ( !r )
return 1;
else
switch ( OID(r) ) {
case O_N:
return RATN(r)?1:0; break;
case O_P:
return qcoefp(r); break;
default:
return qcoefp((Obj)NM((R)r))&&qcoefp((Obj)DN((R)r)); break;
}
}
int qcoefp(p)
Obj p;
{
DCP dc;
if ( !p )
return 1;
else
switch ( OID(p) ) {
case O_N:
return RATN(p)?1:0; break;
default:
for ( dc = DC((P)p); dc; dc = NEXT(dc) )
if ( !qcoefp((Obj)COEF(dc)) )
return 0;
return 1; break;
}
}
void reductr(vl,p,r)
VL vl;
Obj p,*r;
{
P t,s,u,cnm,cdn,pnm,pdn;
R a;
if ( !p )
*r = 0;
else if ( OID(p) <= O_P )
*r = p;
else if ( ((R)p)->reduced )
*r = p;
else if ( NUM(DN((R)p)) )
divsp(vl,NM((R)p),DN((R)p),(P *)r);
else if ( qcoefp((Obj)NM((R)p)) && qcoefp((Obj)DN((R)p)) ) {
ptozp(NM((R)p),1,(Q *)&cnm,&pnm); ptozp(DN((R)p),1,(Q *)&cdn,&pdn);
ezgcdpz(vl,pnm,pdn,&t);
divsp(vl,NM((R)p),t,&u); divsp(vl,DN((R)p),t,&s);
if ( NUM(s) )
divsp(vl,u,s,(P *)r);
else {
divsp(vl,u,cdn,&pnm); divsp(vl,s,cdn,&pdn);
MKRAT(pnm,pdn,1,a); *r = (Obj)a;
}
} else {
MKRAT(NM((R)p),DN((R)p),1,a); *r = (Obj)a;
}
}
void pderivr(vl,a,v,b)
VL vl;
V v;
Obj a,*b;
{
P t,s,u;
R r;
if ( !a )
*b = 0;
else if ( OID(a) <= O_P )
diffp(vl,(P)a,v,(P *)b);
else {
diffp(vl,NM((R)a),v,&t); mulp(vl,t,DN((R)a),&s);
diffp(vl,DN((R)a),v,&t); mulp(vl,t,NM((R)a),&u);
subp(vl,s,u,&t);
if ( t ) {
mulp(vl,DN((R)a),DN((R)a),&u); MKRAT(t,u,0,r); *b = (Obj)r;
} else
*b = 0;
}
}
void clctvr(vl,p,nvl)
VL vl,*nvl;
Obj p;
{
VL vl1,vl2;
if ( !p )
*nvl = 0;
else if ( OID(p) <= O_P )
clctv(vl,(P)p,nvl);
else {
clctv(vl,NM((R)p),&vl1); clctv(vl,DN((R)p),&vl2); mergev(vl,vl1,vl2,nvl);
}
}