=================================================================== RCS file: /home/cvs/OpenXM_contrib2/asir2000/builtin/pdiv.c,v retrieving revision 1.1 retrieving revision 1.9 diff -u -p -r1.1 -r1.9 --- OpenXM_contrib2/asir2000/builtin/pdiv.c 1999/12/03 07:39:07 1.1 +++ OpenXM_contrib2/asir2000/builtin/pdiv.c 2006/11/08 07:34:33 1.9 @@ -1,9 +1,57 @@ -/* $OpenXM: OpenXM/src/asir99/builtin/pdiv.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/builtin/pdiv.c,v 1.8 2004/06/30 04:29:38 noro Exp $ +*/ #include "ca.h" #include "parse.h" -void Psdiv(), Psrem(), Ptdiv(), Psqr(), Pinva_mod(); -void Psdiv_gf2n(), Psrem_gf2n(); +void Psdiv(), Psrem(), Ptdiv(), Psqr(), Pinva_mod(), Pprem(); +void Psdiv_gf2n(), Psrem_gf2n(), Pgcd_gf2n(); void Psdivm(), Psremm(), Psqrm(); void Psrem_mod(); void Pugcd(); @@ -13,10 +61,12 @@ void Pudiv(); struct ftab pdiv_tab[] = { {"sdiv",Psdiv,-3}, {"srem",Psrem,-3}, + {"prem",Pprem,-3}, {"sdiv_gf2n",Psdiv_gf2n,2}, {"srem_gf2n",Psrem_gf2n,2}, + {"gcd_gf2n",Pgcd_gf2n,2}, {"sqr",Psqr,-3}, - {"tdiv",Ptdiv,2}, + {"tdiv",Ptdiv,-3}, {"udiv",Pudiv,2}, {"sdivm",Psdivm,-4}, {"sremm",Psremm,-4}, @@ -70,6 +120,31 @@ Obj *rp; divsrp(CO,dnd,dvr,&q,(P *)rp); } +void Pprem(arg,rp) +NODE arg; +P *rp; +{ + P q,r,dnd,dnd1,dvr,dvr1; + V v; + VL vl; + + asir_assert(ARG0(arg),O_P,"prem"); + asir_assert(ARG1(arg),O_P,"prem"); + dnd = (P)ARG0(arg); dvr = (P)ARG1(arg); + if ( !dvr ) error("prem : division by 0"); + if ( !dnd ) { + *rp = 0; return; + } + if ( argc(arg) == 3 ) { + v = VR((P)ARG2(arg)); + change_mvar(CO,dnd,v,&dnd1); change_mvar(CO,dvr,v,&dvr1); + reordvar(CO,v,&vl); + premp(vl,dnd1,dvr1,&r); + restore_mvar(CO,r,v,rp); + } else + premp(CO,dnd,dvr,rp); +} + void Psqr(arg,rp) NODE arg; LIST *rp; @@ -129,11 +204,30 @@ GF2N *rp; } } +void Pgcd_gf2n(arg,rp) +NODE arg; +GF2N *rp; +{ + GF2N p1,p2; + UP2 gcd; + + p1 = (GF2N)ARG0(arg); p2 = (GF2N)ARG1(arg); + if ( !p1 ) + *rp = p2; + else if ( !p2 ) + *rp = p1; + else { + gcdup2(p1->body,p2->body,&gcd); + MKGF2N(gcd,*rp); + } +} + void Ptdiv(arg,rp) NODE arg; P *rp; { P p1,p2,q1,q2,q,c1,c2,c; + int m; p1 = (P)ARG0(arg); p2 = (P)ARG1(arg); asir_assert(p1,O_P,"tdiv"); @@ -142,12 +236,22 @@ P *rp; *rp = 0; else if ( (OID(p1) > O_P) || (OID(p2) > O_P ) ) *rp = 0; - else { + else if ( argc(arg) == 3 ) { + m = QTOS((Q)ARG2(arg)); + ptomp(m,p1,&q1); ptomp(m,p2,&q2); + if ( divtmp(CO,m,q1,q2,&q) ) + mptop(q,rp); + else + *rp = 0; + } else if ( qpcheck((Obj)p1) && qpcheck((Obj)p2) ) { ptozp(p1,1,(Q *)&c1,&q1); ptozp(p2,1,(Q *)&c2,&q2); if ( divtpz(CO,q1,q2,&q) ) { divq((Q)c1,(Q)c2,(Q *)&c); mulp(CO,q,c,rp); } else *rp = 0; + } else { + if ( !divtp(CO,p1,p2,rp) ) + *rp = 0; } } @@ -236,11 +340,11 @@ LIST *rp; change_mvar(CO,dnd,v,&dnd1); change_mvar(CO,dvr,v,&dvr1); reordvar(CO,v,&vl); ptomp(m,dnd1,&dndm); ptomp(m,dvr1,&dvrm); - divsrp(vl,dndm,dvrm,&q,&r); mptop(q,&q1); mptop(r,&r1); + divsrmp(vl,m,dndm,dvrm,&q,&r); mptop(q,&q1); mptop(r,&r1); restore_mvar(CO,q1,v,&q); restore_mvar(CO,r1,v,&r); } else { ptomp(m,dnd,&dndm); ptomp(m,dvr,&dvrm); - divsrp(CO,dnd,dvr,&q1,&r1); mptop(q1,&q); mptop(r1,&r); + divsrmp(CO,m,dndm,dvrm,&q1,&r1); mptop(q1,&q); mptop(r1,&r); } MKNODE(tn,r,0); MKNODE(n,q,tn); MKLIST(*rp,n); }