=================================================================== RCS file: /home/cvs/OpenXM_contrib2/asir2000/engine/RU.c,v retrieving revision 1.4 retrieving revision 1.5 diff -u -p -r1.4 -r1.5 --- OpenXM_contrib2/asir2000/engine/RU.c 2002/07/26 00:33:02 1.4 +++ OpenXM_contrib2/asir2000/engine/RU.c 2018/03/29 01:32:51 1.5 @@ -45,77 +45,77 @@ * 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 $ + * $OpenXM: OpenXM_contrib2/asir2000/engine/RU.c,v 1.4 2002/07/26 00:33:02 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; - } + 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; + 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; - } + 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; + 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); - if ( headsgn(pdn) < 0 ) { - chsgnp(pnm,&t); pnm = t; - chsgnp(pdn,&t); pdn = t; - } - MKRAT(pnm,pdn,1,a); *r = (Obj)a; - } - } else { - MKRAT(NM((R)p),DN((R)p),1,a); *r = (Obj)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); + if ( headsgn(pdn) < 0 ) { + chsgnp(pnm,&t); pnm = t; + chsgnp(pdn,&t); pdn = t; + } + 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) @@ -123,35 +123,35 @@ VL vl; V v; Obj a,*b; { - P t,s,u; - R r; + 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; - } + 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; + 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); - } + 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); + } }