===================================================================
RCS file: /home/cvs/OpenXM_contrib2/asir2018/builtin/dp-supp.c,v
retrieving revision 1.17
retrieving revision 1.19
diff -u -p -r1.17 -r1.19
--- OpenXM_contrib2/asir2018/builtin/dp-supp.c	2020/12/15 07:40:09	1.17
+++ OpenXM_contrib2/asir2018/builtin/dp-supp.c	2022/09/10 05:41:43	1.19
@@ -45,7 +45,7 @@
  * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
  * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
  *
- * $OpenXM: OpenXM_contrib2/asir2018/builtin/dp-supp.c,v 1.16 2020/12/05 03:27:20 noro Exp $
+ * $OpenXM: OpenXM_contrib2/asir2018/builtin/dp-supp.c,v 1.18 2022/09/10 04:04:50 noro Exp $
 */
 #include "ca.h"
 #include "base.h"
@@ -96,6 +96,16 @@ LIST get_denomlist()
   return l;
 }
 
+int dp_iszp(DP p)
+{
+  MP m;
+
+  if ( !p ) return 1;
+  for ( m = BDY(p); m; m = NEXT(m))
+    if ( !INT(m->c) ) return 0;
+  return 1;
+}
+
 void dp_ptozp(DP p,DP *rp)
 {
   MP m,mr,mr0;
@@ -147,6 +157,16 @@ void dp_ptozp2(DP p0,DP p1,DP *hp,DP *rp)
   *hp = h; *rp = r;
 }
 
+int dpm_iszp(DPM p)
+{
+  DMM m;
+
+  if ( !p ) return 1;
+  for ( m = BDY(p); m; m = NEXT(m))
+    if ( !INT(m->c) ) return 0;
+  return 1;
+}
+
 void dpm_ptozp(DPM p,Z *cont,DPM *rp)
 {
   DMM m,mr,mr0;
@@ -865,7 +885,7 @@ void dp_red(DP p0,DP p1,DP p2,DP *head,DP *rest,P *dnp
       divsz(c2,gn,&c); c2 = c;
     }
   } else {
-    ezgcdpz(CO,(P)c1,(P)c2,&g);
+    ezgcdp(CO,(P)c1,(P)c2,&g);
     divsp(CO,(P)c1,g,&a); c1 = (Z)a; divsp(CO,(P)c2,g,&a); c2 = (Z)a;
     add_denomlist(g);
   }
@@ -908,7 +928,7 @@ void dpm_red(DPM p0,DPM p1,DPM p2,DPM *head,DPM *rest,
       divsz(c2,gn,&c); c2 = c;
     }
   } else {
-    ezgcdpz(CO,(P)c1,(P)c2,&g);
+    ezgcdp(CO,(P)c1,(P)c2,&g);
     divsp(CO,(P)c1,g,&a); c1 = (Z)a; divsp(CO,(P)c2,g,&a); c2 = (Z)a;
     add_denomlist(g);
   }
@@ -950,7 +970,7 @@ void dpm_red2(DPM p1,DPM p2,DPM *rest,P *dnp,DP *multp
       divsz(c2,gn,&c); c2 = c;
     }
   } else {
-    ezgcdpz(CO,(P)c1,(P)c2,&g);
+    ezgcdp(CO,(P)c1,(P)c2,&g);
     divsp(CO,(P)c1,g,&a); c1 = (Z)a; divsp(CO,(P)c2,g,&a); c2 = (Z)a;
     add_denomlist(g);
   }
@@ -996,7 +1016,7 @@ void dp_red_marked(DP p0,DP p1,DP p2,DP hp2,DP *head,D
       divsz(c2,gn,&c); c2 = c;
     }
   } else {
-    ezgcdpz(CO,(P)c1,(P)c2,&g);
+    ezgcdp(CO,(P)c1,(P)c2,&g);
     divsp(CO,(P)c1,g,&a); c1 = (Z)a; divsp(CO,(P)c2,g,&a); c2 = (Z)a;
   }
   NEWMP(m); m->dl = d; m->c = (Obj)c1; NEXT(m) = 0; MKDP(n,m,s); s->sugar = d->td;