===================================================================
RCS file: /home/cvs/OpenXM_contrib2/asir2000/engine/polydiv.c,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -p -r1.1 -r1.2
--- OpenXM_contrib2/asir2000/engine/polydiv.c	2004/08/18 00:17:02	1.1
+++ OpenXM_contrib2/asir2000/engine/polydiv.c	2018/03/29 01:32:52	1.2
@@ -3,60 +3,60 @@ VL vl;
 P p1,p2;
 P *q,*r;
 {
-	register int i,j;
-	register DCP dc1,dc2,dc;
-	P m,s,dvr;
-	P *pq,*pr,*pd;
-	V v1,v2;
-	Q deg1,deg2;
-	int d1,d2,sgn;
+  register int i,j;
+  register DCP dc1,dc2,dc;
+  P m,s,dvr;
+  P *pq,*pr,*pd;
+  V v1,v2;
+  Q deg1,deg2;
+  int d1,d2,sgn;
 
-	if ( !p1 ) {
-		*q = 0; *r = 0;
-	} else if ( NUM(p2) ) 
-		if ( NUM(p1) ) {
-			DIVNUM(p1,p2,q); *r = 0;
-		} else {
-			DIVSDCP(vl,p1,p2,q); *r = 0;
-		}
-	else if ( NUM(p1) ) {
-		*q = 0; *r = p1;
-	} else if ( ( v1 = VR(p1) ) == ( v2 = VR(p2) ) ) {
-		dc1 = DC(p1); dc2 = DC(p2);
-		deg1 = DEG(dc1); deg2 = DEG(dc2);
-		sgn = cmpq(deg1,deg2);
-		if ( sgn == 0 ) {
-			DIVSP(vl,COEF(dc1),COEF(dc2),q);
-			MULP(vl,p2,*q,&m); SUBP(vl,p1,m,r); 
-		} else if ( sgn < 0 ) {
-			*q = 0; *r = p1;
-		} else {	
-			if ( (PL(NM(deg1)) > 1) ) 
-				error("divsrp : invalid input");
-			d1 = QTOS(deg1); d2 = QTOS(deg2); 
-			W_CALLOC(d1-d2,P,pq); W_CALLOC(d1,P,pr); W_CALLOC(d2,P,pd);
-			for ( dc = dc1; dc; dc = NEXT(dc) ) 
-				pr[QTOS(DEG(dc))] = COEF(dc);
-			for ( dc = dc2; dc; dc = NEXT(dc) ) 
-				pd[QTOS(DEG(dc))] = COEF(dc);
-			for ( dvr = COEF(dc2), i = d1 - d2; i >= 0; i-- ) {
-				if ( !pr[i+d2] ) 
-					continue;
-				DIVSP(vl,pr[i+d2],dvr,&pq[i]);
-				for ( j = d2; j >= 0; j-- ) {
-					MULP(vl,pq[i],pd[j],&m);
-					SUBP(vl,pr[i + j],m,&s); pr[i + j] = s;
-				}
-			}
-			plisttop(pq,v1,d1 - d2,q); plisttop(pr,v1,d1 - 1,r);
-		}
-	} else {
-		for ( ; (v1 != vl->v) && (v2 != vl->v); vl = NEXT(vl) );
-		if ( v2 == vl->v ) {
-			*q = 0; *r = p1;
-		} else
-			DIVSRDCP(vl,p1,p2,q,r);
-	}
+  if ( !p1 ) {
+    *q = 0; *r = 0;
+  } else if ( NUM(p2) ) 
+    if ( NUM(p1) ) {
+      DIVNUM(p1,p2,q); *r = 0;
+    } else {
+      DIVSDCP(vl,p1,p2,q); *r = 0;
+    }
+  else if ( NUM(p1) ) {
+    *q = 0; *r = p1;
+  } else if ( ( v1 = VR(p1) ) == ( v2 = VR(p2) ) ) {
+    dc1 = DC(p1); dc2 = DC(p2);
+    deg1 = DEG(dc1); deg2 = DEG(dc2);
+    sgn = cmpq(deg1,deg2);
+    if ( sgn == 0 ) {
+      DIVSP(vl,COEF(dc1),COEF(dc2),q);
+      MULP(vl,p2,*q,&m); SUBP(vl,p1,m,r); 
+    } else if ( sgn < 0 ) {
+      *q = 0; *r = p1;
+    } else {  
+      if ( (PL(NM(deg1)) > 1) ) 
+        error("divsrp : invalid input");
+      d1 = QTOS(deg1); d2 = QTOS(deg2); 
+      W_CALLOC(d1-d2,P,pq); W_CALLOC(d1,P,pr); W_CALLOC(d2,P,pd);
+      for ( dc = dc1; dc; dc = NEXT(dc) ) 
+        pr[QTOS(DEG(dc))] = COEF(dc);
+      for ( dc = dc2; dc; dc = NEXT(dc) ) 
+        pd[QTOS(DEG(dc))] = COEF(dc);
+      for ( dvr = COEF(dc2), i = d1 - d2; i >= 0; i-- ) {
+        if ( !pr[i+d2] ) 
+          continue;
+        DIVSP(vl,pr[i+d2],dvr,&pq[i]);
+        for ( j = d2; j >= 0; j-- ) {
+          MULP(vl,pq[i],pd[j],&m);
+          SUBP(vl,pr[i + j],m,&s); pr[i + j] = s;
+        }
+      }
+      plisttop(pq,v1,d1 - d2,q); plisttop(pr,v1,d1 - 1,r);
+    }
+  } else {
+    for ( ; (v1 != vl->v) && (v2 != vl->v); vl = NEXT(vl) );
+    if ( v2 == vl->v ) {
+      *q = 0; *r = p1;
+    } else
+      DIVSRDCP(vl,p1,p2,q,r);
+  }
 }
 
 void D_DIVSRDCP(vl,p1,p2,q,r)
@@ -64,37 +64,37 @@ VL vl;
 P p1,p2,*q,*r;
 {
 
-	P qc,rc;
-	DCP dc,dcq,dcq0,dcr,dcr0;
+  P qc,rc;
+  DCP dc,dcq,dcq0,dcr,dcr0;
 
-	for ( dc = DC(p1), dcq0 = 0, dcr0 = 0; dc; dc = NEXT(dc) ) {
-		DIVSRP(vl,COEF(dc),p2,&qc,&rc);
-		if ( qc ) {
-			NEXTDC(dcq0,dcq); DEG(dcq) = DEG(dc); COEF(dcq) = qc;
-		}
-		if ( rc ) {
-			NEXTDC(dcr0,dcr); DEG(dcr) = DEG(dc); COEF(dcr) = rc;
-		}
-	}
-	if ( dcq0 ) {
-		NEXT(dcq) = 0; MKP(VR(p1),dcq0,*q);
-	} else
-		*q = 0;
-	if ( dcr0 ) {
-		NEXT(dcr) = 0; MKP(VR(p1),dcr0,*r);
-	} else
-		*r = 0;
+  for ( dc = DC(p1), dcq0 = 0, dcr0 = 0; dc; dc = NEXT(dc) ) {
+    DIVSRP(vl,COEF(dc),p2,&qc,&rc);
+    if ( qc ) {
+      NEXTDC(dcq0,dcq); DEG(dcq) = DEG(dc); COEF(dcq) = qc;
+    }
+    if ( rc ) {
+      NEXTDC(dcr0,dcr); DEG(dcr) = DEG(dc); COEF(dcr) = rc;
+    }
+  }
+  if ( dcq0 ) {
+    NEXT(dcq) = 0; MKP(VR(p1),dcq0,*q);
+  } else
+    *q = 0;
+  if ( dcr0 ) {
+    NEXT(dcr) = 0; MKP(VR(p1),dcr0,*r);
+  } else
+    *r = 0;
 }
 
 void D_DIVSP(vl,p1,p2,q)
 VL vl;
 P p1,p2,*q;
 {
-	P t;
+  P t;
 
-	DIVSRP(vl,p1,p2,q,&t);
-	if ( t ) 
-		error("divsp: cannot happen");
+  DIVSRP(vl,p1,p2,q,&t);
+  if ( t ) 
+    error("divsp: cannot happen");
 }
 
 void D_DIVSDCP(vl,p1,p2,q)
@@ -102,13 +102,13 @@ VL vl;
 P p1,p2,*q;
 {
 
-	P m;
-	register DCP dc,dcr,dcr0;
+  P m;
+  register DCP dc,dcr,dcr0;
 
-	for ( dc = DC(p1), dcr0 = 0; dc; dc = NEXT(dc) ) {
-		DIVSP(vl,COEF(dc),p2,&m);
-		NEXTDC(dcr0,dcr); DEG(dcr) = DEG(dc); COEF(dcr) = m; NEXT(dcr) = 0;
-	}
-	MKP(VR(p1),dcr0,*q);
+  for ( dc = DC(p1), dcr0 = 0; dc; dc = NEXT(dc) ) {
+    DIVSP(vl,COEF(dc),p2,&m);
+    NEXTDC(dcr0,dcr); DEG(dcr) = DEG(dc); COEF(dcr) = m; NEXT(dcr) = 0;
+  }
+  MKP(VR(p1),dcr0,*q);
 }