===================================================================
RCS file: /home/cvs/OpenXM_contrib2/asir2000/builtin/fctr.c,v
retrieving revision 1.2
retrieving revision 1.9
diff -u -p -r1.2 -r1.9
--- OpenXM_contrib2/asir2000/builtin/fctr.c	2000/08/21 08:31:19	1.2
+++ OpenXM_contrib2/asir2000/builtin/fctr.c	2001/10/09 01:36:05	1.9
@@ -23,7 +23,7 @@
  * 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@flab.fujitsu.co.jp of the detailed specification
+ * 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.
  * 
@@ -45,7 +45,7 @@
  * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
  * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
  *
- * $OpenXM: OpenXM_contrib2/asir2000/builtin/fctr.c,v 1.1.1.1 1999/12/03 07:39:07 noro Exp $ 
+ * $OpenXM: OpenXM_contrib2/asir2000/builtin/fctr.c,v 1.8 2001/06/26 03:00:40 noro Exp $ 
 */
 #include "ca.h"
 #include "parse.h"
@@ -54,10 +54,11 @@ void Pfctr(), Pgcd(), Pgcdz(), Plcm(), Psqfr(), Pufctr
 void Pptozp(), Pcont();
 void Pafctr(), Pagcd();
 void Pmodsqfr(),Pmodfctr(),Pddd(),Pnewddd(),Pddd_tab();
+void Psffctr(),Psfbfctr();
 void Pirred_check(), Pnfctr_mod();
 
 struct ftab fctr_tab[] = {
-	{"fctr",Pfctr,1},
+	{"fctr",Pfctr,-2},
 	{"gcd",Pgcd,-3},
 	{"gcdz",Pgcdz,2},
 	{"lcm",Plcm,2},
@@ -69,6 +70,8 @@ struct ftab fctr_tab[] = {
 	{"agcd",Pagcd,3},
 	{"modsqfr",Pmodsqfr,2},
 	{"modfctr",Pmodfctr,2},
+	{"sffctr",Psffctr,1},
+	{"sfbfctr",Psfbfctr,3},
 #if 0
 	{"ddd",Pddd,2},
 	{"newddd",Pnewddd,2},
@@ -86,7 +89,12 @@ LIST *rp;
 	DCP dc;
 
 	asir_assert(ARG0(arg),O_P,"fctr");
-	fctrp(CO,(P)ARG0(arg),&dc);
+	if ( argc(arg) == 1 )
+		fctrp(CO,(P)ARG0(arg),&dc);
+	else {
+		asir_assert(ARG1(arg),O_P,"fctr");
+		fctr_wrt_v_p(CO,(P)ARG0(arg),VR((P)ARG1(arg)),&dc);
+	}
 	dcptolist(dc,rp);
 }
 
@@ -106,7 +114,7 @@ P *rp;
 	else if ( !p2 )
 		*rp = p1;
 	else if ( !qpcheck((Obj)p1) || !qpcheck((Obj)p2) )
-		error("gcd : invalid argument");
+		gcdprsp(CO,p1,p2,rp);
 	else if ( argc(arg) == 2 )
 		ezgcdp(CO,p1,p2,rp);
 	else {
@@ -312,29 +320,65 @@ LIST *rp;
 	dcptolist(dc,rp);
 }
 
-void Pmodsqfr(arg,rp)
+void Psffctr(arg,rp)
 NODE arg;
 LIST *rp;
 {
 	DCP dc;
 
+	fctrsf(ARG0(arg),&dc);
 	if ( !dc ) {
 		NEWDC(dc); COEF(dc) = 0; DEG(dc) = ONE; NEXT(dc) = 0;
 	}
-	modfctrp(ARG0(arg),QTOS((Q)ARG1(arg)),SQFR,&dc);
 	dcptolist(dc,rp);
 }
 
+void Psfbfctr(arg,rp)
+NODE arg;
+LIST *rp;
+{
+	V x,y;
+	DCP dc,dct;
+	P t;
+	struct oVL vl1,vl2;
+	VL vl;
+
+	x = VR((P)ARG1(arg));
+	y = VR((P)ARG2(arg));
+	vl1.v = x; vl1.next = &vl2;
+	vl2.v = y; vl2.next = 0;
+	vl = &vl1;
+
+	sfbfctr((P)ARG0(arg),x,y,&dc);
+	for ( dct = dc; dct; dct = NEXT(dct) ) {
+		reorderp(CO,vl,COEF(dct),&t); COEF(dct) = t;
+	}
+	dcptolist(dc,rp);
+}
+
+void Pmodsqfr(arg,rp)
+NODE arg;
+LIST *rp;
+{
+	DCP dc;
+
+	if ( !ARG0(arg) ) {
+		NEWDC(dc); COEF(dc) = 0; DEG(dc) = ONE; NEXT(dc) = 0;
+	} else
+		modfctrp(ARG0(arg),QTOS((Q)ARG1(arg)),SQFR,&dc);
+	dcptolist(dc,rp);
+}
+
 void Pddd(arg,rp)
 NODE arg;
 LIST *rp;
 {
 	DCP dc;
 
-	if ( !dc ) {
+	if ( !ARG0(arg) ) {
 		NEWDC(dc); COEF(dc) = 0; DEG(dc) = ONE; NEXT(dc) = 0;
-	}
-	modfctrp(ARG0(arg),QTOS((Q)ARG1(arg)),DDD,&dc);
+	} else
+		modfctrp(ARG0(arg),QTOS((Q)ARG1(arg)),DDD,&dc);
 	dcptolist(dc,rp);
 }
 
@@ -342,12 +386,12 @@ void Pnewddd(arg,rp)
 NODE arg;
 LIST *rp;
 {
-	DCP dc;
+	DCP dc=0;
 
-	if ( !dc ) {
+	if ( !ARG0(arg) ) {
 		NEWDC(dc); COEF(dc) = 0; DEG(dc) = ONE; NEXT(dc) = 0;
-	}
-	modfctrp(ARG0(arg),QTOS((Q)ARG1(arg)),NEWDDD,&dc);
+	} else 
+		modfctrp(ARG0(arg),QTOS((Q)ARG1(arg)),NEWDDD,&dc);
 	dcptolist(dc,rp);
 }