===================================================================
RCS file: /home/cvs/OpenXM_contrib2/asir2000/builtin/dp.c,v
retrieving revision 1.30
retrieving revision 1.34
diff -u -p -r1.30 -r1.34
--- OpenXM_contrib2/asir2000/builtin/dp.c	2003/04/25 01:31:11	1.30
+++ OpenXM_contrib2/asir2000/builtin/dp.c	2003/07/31 02:56:13	1.34
@@ -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/dp.c,v 1.29 2003/04/21 02:49:40 noro Exp $ 
+ * $OpenXM: OpenXM_contrib2/asir2000/builtin/dp.c,v 1.33 2003/07/18 10:13:11 noro Exp $ 
 */
 #include "ca.h"
 #include "base.h"
@@ -58,6 +58,7 @@ 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();
@@ -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},
@@ -124,6 +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},
@@ -824,6 +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;
@@ -831,7 +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;
@@ -1446,6 +1478,28 @@ LIST *rp;
 		error("dp_gr_mod_main : invalid argument");
 	create_order_spec(ARG4(arg),&ord);
 	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);
+	nd_gr(f,v,m,&ord,rp);
 }
 
 /* for Weyl algebra */