*** empty log message ***

2 files changed, 11 insertions, 10 deletions

diff --git a/lib/pile.c b/lib/pile.c
index 1fb1aff..6ad8c71 100644
--- a/lib/pile.c
+++ b/lib/pile.c
@@ -48,13 +48,8 @@ void push_pile(char *st)
 		popcontext();
 	} else if (valid3) {	/* il s agit de x */
 		pushcontext("c est X");
-		rat=rat_constr(1, 1);
-		/*pushcontext("rat construit");
-		poly=ply_constr(rat, 0);
-		pushcontext("poly cstr");
-		push_pile_poly(poly);
-		pushcontext("poly push");
-		popcontext();*/
+		push_pile_poly(ply_constr(rat_constr(1, 1), 0));
+		popcontext();
 	} else if (valid4) {	/* il s agit d une variable */
 		pushcontext("c est une variable");
 		push_pile_poly(ply_copy(poly));
diff --git a/lib/scalaires.c b/lib/scalaires.c
index f94162a..10c9196 100644
--- a/lib/scalaires.c
+++ b/lib/scalaires.c
@@ -35,9 +35,15 @@ rationnel rat_constr(int num, int denom)
 		denom = -denom;
 		num = -num;
 	}
-
-	temp.num = num / pgcd(num, denom);
-	temp.denom = denom / pgcd(num, denom);
+	if (!num) {
+		temp.num=0;
+		temp.denom=1;
+	} else if (denom) {
+		temp.num = num / pgcd(num, denom);
+		temp.denom = denom / pgcd(num, denom);
+	} else {
+		exception(1,"rat_constr: division par zero");
+	}
 	return temp;
 
 }