===================================================================
RCS file: /home/cvs/OpenXM_contrib2/asir2000/builtin/dp.c,v
retrieving revision 1.25
retrieving revision 1.35
diff -u -p -r1.25 -r1.35
--- OpenXM_contrib2/asir2000/builtin/dp.c	2002/06/06 01:18:05	1.25
+++ OpenXM_contrib2/asir2000/builtin/dp.c	2003/08/01 08:38:05	1.35
@@ -45,13 +45,12 @@
  * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
  * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
  *
- * $OpenXM: OpenXM_contrib2/asir2000/builtin/dp.c,v 1.24 2002/01/28 00:54:41 noro Exp $ 
+ * $OpenXM: OpenXM_contrib2/asir2000/builtin/dp.c,v 1.34 2003/07/31 02:56:13 noro Exp $ 
 */
 #include "ca.h"
 #include "base.h"
 #include "parse.h"
 
-extern int dp_fcoeffs;
 extern int dp_nelim;
 extern int dp_order_pair_length;
 extern struct order_pair *dp_order_pair;
@@ -59,9 +58,11 @@ extern struct order_spec dp_current_spec;
 
 int do_weyl;
 
+void Pdp_mul_trunc(),Pdp_quo();
 void Pdp_ord(), Pdp_ptod(), Pdp_dtop();
 void Pdp_ptozp(), Pdp_ptozp2(), Pdp_red(), Pdp_red2(), Pdp_lcm(), Pdp_redble();
 void Pdp_sp(), Pdp_hm(), Pdp_ht(), Pdp_hc(), Pdp_rest(), Pdp_td(), Pdp_sugar();
+void Pdp_set_sugar();
 void Pdp_cri1(),Pdp_cri2(),Pdp_subd(),Pdp_mod(),Pdp_red_mod(),Pdp_tdiv();
 void Pdp_prim(),Pdp_red_coef(),Pdp_mag(),Pdp_set_kara(),Pdp_rat();
 void Pdp_nf(),Pdp_true_nf();
@@ -73,7 +74,7 @@ void Pdp_gr_mod_main(),Pdp_gr_f_main();
 void Pdp_gr_main(),Pdp_gr_hm_main(),Pdp_gr_d_main(),Pdp_gr_flags();
 void Pdp_f4_main(),Pdp_f4_mod_main(),Pdp_f4_f_main();
 void Pdp_gr_print();
-void Pdp_mbase(),Pdp_lnf_mod(),Pdp_nf_tab_mod(),Pdp_mdtod();
+void Pdp_mbase(),Pdp_lnf_mod(),Pdp_nf_tab_mod(),Pdp_mdtod(), Pdp_nf_tab_f();
 void Pdp_vtoe(), Pdp_etov(), Pdp_dtov(), Pdp_idiv(), Pdp_sep();
 void Pdp_cont();
 void Pdp_gr_checklist();
@@ -88,6 +89,7 @@ void Pdp_weyl_set_weight();
 void Pdp_set_weight();
 void Pdp_nf_f(),Pdp_weyl_nf_f();
 void Pdp_lnf_f();
+void Pnd_gr();
 
 LIST remove_zero_from_list(LIST);
 
@@ -100,6 +102,10 @@ struct ftab dp_tab[] = {
 	{"dp_cont",Pdp_cont,1},
 
 /* polynomial ring */
+	/* special operations */
+	{"dp_mul_trunc",Pdp_mul_trunc,3},
+	{"dp_quo",Pdp_quo,2},
+
 	/* s-poly */
 	{"dp_sp",Pdp_sp,2},
 	{"dp_sp_mod",Pdp_sp_mod,3},
@@ -115,6 +121,7 @@ struct ftab dp_tab[] = {
 	{"dp_nf_mod",Pdp_nf_mod,5},
 	{"dp_true_nf_mod",Pdp_true_nf_mod,5},
 	{"dp_lnf_mod",Pdp_lnf_mod,3},
+	{"dp_nf_tab_f",Pdp_nf_tab_f,2},
 	{"dp_nf_tab_mod",Pdp_nf_tab_mod,3},
 	{"dp_lnf_f",Pdp_lnf_f,2},
 
@@ -123,6 +130,7 @@ struct ftab dp_tab[] = {
 	{"dp_gr_mod_main",Pdp_gr_mod_main,5},
 	{"dp_gr_f_main",Pdp_gr_f_main,4},
 	{"dp_gr_checklist",Pdp_gr_checklist,2},
+	{"nd_gr",Pnd_gr,4},
 
 	/* F4 algorithm */
 	{"dp_f4_main",Pdp_f4_main,3},
@@ -196,6 +204,7 @@ struct ftab dp_supp_tab[] = {
 	{"dp_td",Pdp_td,1},
 	{"dp_mag",Pdp_mag,1},
 	{"dp_sugar",Pdp_sugar,1},
+	{"dp_set_sugar",Pdp_set_sugar,2},
 
 	/* misc */
 	{"dp_mbase",Pdp_mbase,1},
@@ -378,6 +387,15 @@ DP *rp;
 		QTOS((Q)ARG2(arg)),rp);
 }
 
+void Pdp_nf_tab_f(arg,rp)
+NODE arg;
+DP *rp;
+{
+	asir_assert(ARG0(arg),O_DP,"dp_nf_tab_f");
+	asir_assert(ARG1(arg),O_VECT,"dp_nf_tab_f");
+	dp_nf_tab_f((DP)ARG0(arg),(LIST *)BDY((VECT)ARG1(arg)),rp);
+}
+
 void Pdp_ord(arg,rp)
 NODE arg;
 Obj *rp;
@@ -813,6 +831,31 @@ DP *rp;
 	dp_subd(p1,p2,rp);
 }
 
+void Pdp_mul_trunc(arg,rp)
+NODE arg;
+DP *rp;
+{
+	DP p1,p2,p;
+
+	p1 = (DP)ARG0(arg); p2 = (DP)ARG1(arg); p = (DP)ARG2(arg);
+	asir_assert(p1,O_DP,"dp_mul_trunc");
+	asir_assert(p2,O_DP,"dp_mul_trunc");
+	asir_assert(p,O_DP,"dp_mul_trunc");
+	comm_muld_trunc(CO,p1,p2,BDY(p)->dl,rp);
+}
+
+void Pdp_quo(arg,rp)
+NODE arg;
+DP *rp;
+{
+	DP p1,p2;
+
+	p1 = (DP)ARG0(arg); p2 = (DP)ARG1(arg);
+	asir_assert(p1,O_DP,"dp_quo");
+	asir_assert(p2,O_DP,"dp_quo");
+	comm_quod(CO,p1,p2,rp);
+}
+
 void Pdp_weyl_mul(arg,rp)
 NODE arg;
 DP *rp;
@@ -820,7 +863,7 @@ DP *rp;
 	DP p1,p2;
 
 	p1 = (DP)ARG0(arg); p2 = (DP)ARG1(arg);
-	asir_assert(p1,O_DP,"dp_weyl_mul"); asir_assert(p2,O_DP,"dp_mul");
+	asir_assert(p1,O_DP,"dp_weyl_mul"); asir_assert(p2,O_DP,"dp_weyl_mul");
 	do_weyl = 1;
 	muld(CO,p1,p2,rp);
 	do_weyl = 0;
@@ -1015,6 +1058,27 @@ Q *rp;
 		STOQ(p->sugar,*rp);
 }
 
+void Pdp_set_sugar(arg,rp)
+NODE arg;
+Q *rp;
+{
+	DP p;
+	Q q;
+	int i;
+
+	p = (DP)ARG0(arg);
+	q = (Q)ARG1(arg);
+	if ( p && q) {
+		asir_assert(p,O_DP,"dp_set_sugar");
+		asir_assert(q,O_N, "dp_set_sugar");
+		i = QTOS(q);
+		if (p->sugar < i) {
+			p->sugar = i;
+		}
+	}
+	*rp = 0;
+}
+
 void Pdp_cri1(arg,rp)
 NODE arg;
 Q *rp;
@@ -1216,19 +1280,38 @@ LIST *rp;
 	dp_make_flaglist(rp);
 }
 
-extern int DP_Print;
+extern int DP_Print, DP_PrintShort;
 
 void Pdp_gr_print(arg,rp)
 NODE arg;
 Q *rp;
 {
 	Q q;
+	int s;
 
 	if ( arg ) {
 		asir_assert(ARG0(arg),O_N,"dp_gr_print");
-		q = (Q)ARG0(arg); DP_Print = QTOS(q);
-	} else
-		STOQ(DP_Print,q);
+		q = (Q)ARG0(arg);
+		s = QTOS(q);
+		switch ( s ) {
+			case 0:
+				DP_Print = 0; DP_PrintShort = 0;
+				break;
+			case 1:
+				DP_Print = 1;
+				break;
+			case 2: default:
+				DP_Print = 0; DP_PrintShort = 1;
+				break;
+		}
+	} else {
+		if ( DP_Print )	{
+			STOQ(1,q);
+		} else if ( DP_PrintShort ) {
+			STOQ(2,q);
+		} else
+			q = 0;
+	}
 	*rp = q;
 }
 
@@ -1270,7 +1353,9 @@ LIST *rp;
 {
 	LIST f,v;
 	Num homo;
+	int m,field,t;
 	struct order_spec ord;
+	NODE n;
 
 	do_weyl = 0;
 	asir_assert(ARG0(arg),O_LIST,"dp_gr_f_main");
@@ -1282,8 +1367,29 @@ LIST *rp;
 		*rp = f; return;
 	}
 	homo = (Num)ARG2(arg);
+#if 0
+	asir_assert(ARG3(arg),O_N,"dp_gr_f_main");
+	m = QTOS((Q)ARG3(arg));
+	if ( m )
+		error("dp_gr_f_main : trace lifting is not implemented yet");
+	create_order_spec(ARG4(arg),&ord);
+#else
+	m = 0;
 	create_order_spec(ARG3(arg),&ord);
-	dp_gr_main(f,v,homo,0,1,&ord,rp);
+#endif
+	field = 0;
+	for ( n = BDY(f); n; n = NEXT(n) ) {
+		t = get_field_type(BDY(n));
+		if ( !t )
+			continue;
+		if ( t < 0 )
+			error("dp_gr_f_main : incosistent coefficients");
+		if ( !field )
+			field = t;
+		else if ( t != field )
+			error("dp_gr_f_main : incosistent coefficients");
+	}
+	dp_gr_main(f,v,homo,m?1:0,field,&ord,rp);
 }
 
 void Pdp_f4_main(arg,rp)
@@ -1374,6 +1480,31 @@ LIST *rp;
 	dp_gr_mod_main(f,v,homo,m,&ord,rp);
 }
 
+void Pnd_gr(arg,rp)
+NODE arg;
+LIST *rp;
+{
+	LIST f,v;
+	int m;
+	struct order_spec ord;
+
+	do_weyl = 0;
+	asir_assert(ARG0(arg),O_LIST,"nd_gr");
+	asir_assert(ARG1(arg),O_LIST,"nd_gr");
+	asir_assert(ARG3(arg),O_N,"nd_gr");
+	f = (LIST)ARG0(arg); v = (LIST)ARG1(arg);
+	f = remove_zero_from_list(f);
+	if ( !BDY(f) ) {
+		*rp = f; return;
+	}
+	m = QTOS((Q)ARG2(arg));
+	create_order_spec(ARG3(arg),&ord);
+	if ( m >= 0 )
+		nd_gr(f,v,m,&ord,rp);
+	else
+		nd_gr_trace(f,v,-m,&ord,rp);
+}
+
 /* for Weyl algebra */
 
 void Pdp_weyl_gr_main(arg,rp)
@@ -1572,4 +1703,30 @@ LIST remove_zero_from_list(LIST l)
 		NEXT(r) = 0;
 	MKLIST(rl,r0);
 	return rl;
+}
+
+int get_field_type(P p)
+{
+	int type,t;
+	DCP dc;
+
+	if ( !p )
+		return 0;
+	else if ( NUM(p) )
+		return NID((Num)p);
+	else {
+		type = 0;
+		for ( dc = DC(p); dc; dc = NEXT(dc) ) {
+			t = get_field_type(COEF(dc));
+			if ( !t )
+				continue;
+			if ( t < 0 )
+				return t;
+			if ( !type )
+				type = t;
+			else if ( t != type )
+				return -1;
+		}
+		return type;
+	}
 }