===================================================================
RCS file: /home/cvs/OpenXM_contrib2/asir2000/builtin/dp.c,v
retrieving revision 1.73
retrieving revision 1.78
diff -u -p -r1.73 -r1.78
--- OpenXM_contrib2/asir2000/builtin/dp.c	2007/10/14 02:32:21	1.73
+++ OpenXM_contrib2/asir2000/builtin/dp.c	2009/09/09 08:13:24	1.78
@@ -44,7 +44,7 @@
  * 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 1.72 2007/09/19 05:42:59 noro Exp $ 
+ * $OpenXM: OpenXM_contrib2/asir2000/builtin/dp.c,v 1.77 2009/01/05 02:08:17 noro Exp $ 
 */
 #include "ca.h"
 #include "base.h"
@@ -91,16 +91,17 @@ void Pdp_weyl_gr_main(),Pdp_weyl_gr_mod_main(),Pdp_wey
 void Pdp_weyl_f4_main(),Pdp_weyl_f4_mod_main(),Pdp_weyl_f4_f_main();
 void Pdp_weyl_mul(),Pdp_weyl_mul_mod();
 void Pdp_weyl_set_weight();
-void Pdp_set_weight(),Pdp_set_top_weight();
+void Pdp_set_weight(),Pdp_set_top_weight(),Pdp_set_module_weight();
 void Pdp_nf_f(),Pdp_weyl_nf_f();
 void Pdp_lnf_f();
 void Pnd_gr(),Pnd_gr_trace(),Pnd_f4(),Pnd_f4_trace();
-void Pnd_gr_postproc();
+void Pnd_gr_postproc(), Pnd_weyl_gr_postproc();
 void Pnd_weyl_gr(),Pnd_weyl_gr_trace();
 void Pnd_nf();
 void Pdp_initial_term();
 void Pdp_order();
 void Pdp_inv_or_split();
+void Pdp_compute_last_t();
 void Pdp_compute_last_w();
 void Pdp_compute_essential_df();
 void Pdp_get_denomlist();
@@ -158,6 +159,7 @@ struct ftab dp_tab[] = {
 	{"nd_gr_trace",Pnd_gr_trace,5},
 	{"nd_f4_trace",Pnd_f4_trace,5},
 	{"nd_gr_postproc",Pnd_gr_postproc,5},
+	{"nd_weyl_gr_postproc",Pnd_weyl_gr_postproc,5},
 	{"nd_weyl_gr",Pnd_weyl_gr,4},
 	{"nd_weyl_gr_trace",Pnd_weyl_gr_trace,5},
 	{"nd_nf",Pnd_nf,5},
@@ -194,6 +196,7 @@ struct ftab dp_tab[] = {
 	/* misc */
 	{"dp_inv_or_split",Pdp_inv_or_split,3},
 	{"dp_set_weight",Pdp_set_weight,-1},
+	{"dp_set_module_weight",Pdp_set_module_weight,-1},
 	{"dp_set_top_weight",Pdp_set_top_weight,-1},
 	{"dp_weyl_set_weight",Pdp_weyl_set_weight,-1},
 
@@ -257,13 +260,33 @@ struct ftab dp_supp_tab[] = {
 	{"dp_tdiv",Pdp_tdiv,2},
 	{"dp_minp",Pdp_minp,2},
 	{"dp_compute_last_w",Pdp_compute_last_w,5},
+	{"dp_compute_last_t",Pdp_compute_last_t,5},
 	{"dp_compute_essential_df",Pdp_compute_essential_df,2},
 
 	{0,0,0}
 };
 
 NODE compute_last_w(NODE g,NODE gh,int n,int **v,int row1,int **m1,int row2,int **m2);
+Q compute_last_t(NODE g,NODE gh,Q t,VECT w1,VECT w2,NODE *homo,VECT *wp);
 
+void Pdp_compute_last_t(NODE arg,LIST *rp)
+{
+	NODE g,gh,homo,n;
+	LIST hlist;
+	VECT v1,v2,w;
+	Q t;
+
+	g = (NODE)BDY((LIST)ARG0(arg));
+	gh = (NODE)BDY((LIST)ARG1(arg));
+	t = (Q)ARG2(arg);
+	v1 = (VECT)ARG3(arg);
+	v2 = (VECT)ARG4(arg);
+	t = compute_last_t(g,gh,t,v1,v2,&homo,&w);
+	MKLIST(hlist,homo);
+	n = mknode(3,t,w,hlist);
+	MKLIST(*rp,n);
+}
+
 void Pdp_compute_last_w(NODE arg,LIST *rp)
 {
 	NODE g,gh,r;
@@ -2050,9 +2073,9 @@ LIST *rp;
 	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(ARG2(arg),O_N,"nd_gr");
+	asir_assert(ARG0(arg),O_LIST,"nd_f4");
+	asir_assert(ARG1(arg),O_LIST,"nd_f4");
+	asir_assert(ARG2(arg),O_N,"nd_f4");
 	f = (LIST)ARG0(arg); v = (LIST)ARG1(arg);
 	f = remove_zero_from_list(f);
 	if ( !BDY(f) ) {
@@ -2108,6 +2131,29 @@ LIST *rp;
 	nd_gr_postproc(f,v,m,ord,do_check,rp);
 }
 
+void Pnd_weyl_gr_postproc(arg,rp)
+NODE arg;
+LIST *rp;
+{
+	LIST f,v;
+	int m,do_check;
+	struct order_spec *ord;
+
+	do_weyl = 1;
+	asir_assert(ARG0(arg),O_LIST,"nd_gr");
+	asir_assert(ARG1(arg),O_LIST,"nd_gr");
+	asir_assert(ARG2(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(0,ARG3(arg),&ord);
+	do_check = ARG4(arg) ? 1 : 0;
+	nd_gr_postproc(f,v,m,ord,do_check,rp);
+}
+
 void Pnd_gr_trace(arg,rp)
 NODE arg;
 LIST *rp;
@@ -2402,6 +2448,44 @@ VECT *rp;
 	}
 }
 
+VECT current_module_weight_vector_obj;
+int *current_module_weight_vector;
+
+void Pdp_set_module_weight(arg,rp)
+NODE arg;
+VECT *rp;
+{
+	VECT v;
+	int i,n;
+	NODE node;
+
+	if ( !arg )
+		*rp = current_module_weight_vector_obj;
+	else if ( !ARG0(arg) ) {
+		current_module_weight_vector_obj = 0;
+		current_module_weight_vector = 0;
+		*rp = 0;
+	} else {
+		if ( OID(ARG0(arg)) != O_VECT && OID(ARG0(arg)) != O_LIST )
+			error("dp_module_set_weight : invalid argument");
+		if ( OID(ARG0(arg)) == O_VECT )
+			v = (VECT)ARG0(arg);
+		else {
+			node = (NODE)BDY((LIST)ARG0(arg));
+			n = length(node);
+			MKVECT(v,n);
+			for ( i = 0; i < n; i++, node = NEXT(node) )
+				BDY(v)[i] = BDY(node);
+		}
+		current_module_weight_vector_obj = v;
+		n = v->len;
+		current_module_weight_vector = (int *)CALLOC(n,sizeof(int));
+		for ( i = 0; i < n; i++ )
+			current_module_weight_vector[i] = QTOS((Q)v->body[i]);
+		*rp = v;
+	}
+}
+
 VECT current_top_weight_vector_obj;
 N *current_top_weight_vector;
 
@@ -2432,12 +2516,12 @@ VECT *rp;
 				BDY(v)[i] = BDY(node);
 		}
 		for ( i = 0; i < v->len; i++ )
-			if ( !INT(BDY(v)[i]) || SGN((Q)BDY(v)[i]) < 0 )
+			if ( !INT(BDY(v)[i]) || (BDY(v)[i] && SGN((Q)BDY(v)[i]) < 0) )
 				error("dp_set_top_weight : each element must be a non-negative integer");
 		current_top_weight_vector_obj = v;
 		current_top_weight_vector = (N *)MALLOC(v->len*sizeof(N));
 		for ( i = 0; i < v->len; i++ ) {
-			current_top_weight_vector[i] = NM((Q)BDY(v)[i]);
+			current_top_weight_vector[i] = !BDY(v)[i]?0:NM((Q)BDY(v)[i]);
 		}
 		*rp = current_top_weight_vector_obj;
 	}
@@ -2462,7 +2546,11 @@ VECT *rp;
 
 	if ( !arg )
 		*rp = current_weyl_weight_vector_obj;
-	else {
+	else if ( !ARG0(arg) ) {
+		current_weyl_weight_vector_obj = 0;
+		current_weyl_weight_vector = 0;
+		*rp = 0;
+	} else {
 		asir_assert(ARG0(arg),O_VECT,"dp_weyl_set_weight");
 		v = (VECT)ARG0(arg);
 		current_weyl_weight_vector_obj = v;