*** empty log message ***

1 files changed, 35 insertions, 2 deletions

diff --git a/lib/scalaires.c b/lib/scalaires.c
index ab97084..d2f24fb 100644
--- a/lib/scalaires.c
+++ b/lib/scalaires.c
@@ -12,8 +12,9 @@
 #define _(x) x
 #endif
 
-
 #define PRECISION 1E6
+typedisplay display=DEC;
+
 static int pgcd(int a, int b)
 {
 	if (a < b)
@@ -54,7 +55,7 @@ rationnel rat_constr(int num, int denom)
 		temp.num = sgnnum * sgndenom * num / pgcd(num, denom);
 		temp.denom = denom / pgcd(num, denom);
 	} else {
-		exception(1, _("rat_constr: division by zero"));
+		exception(2, _("rat_constr: division by zero"));
 	}
 	return temp;
 
@@ -113,3 +114,35 @@ rationnel rat_division(rationnel rat1, rationnel rat2)
 	return rat_constr(rat1.num * rat2.denom, rat1.denom * rat2.num);
 		
 }
+
+char *rat_to_string(rationnel rat)
+{
+	char resultat[128];
+	char temp[64];
+	
+	if (rat.num<0) {
+		rat.num=-rat.num;
+		strcat(resultat,"-");
+	} else {
+		strcat(resultat,"+");
+	}
+	
+	switch(display) {
+	case DEC:
+		sprintf(temp,"%d/%d", rat.num, rat.denom);
+		break;
+	case HEX:
+		sprintf(temp,"%x/%x",  rat.num, rat.denom);
+		break;
+	case OCT:				 
+		sprintf(temp,"%o/%o",  rat.num, rat.denom);
+		break;
+	case FLT:
+		sprintf(temp,"%f", rat_to_double(rat));
+		break;
+	}
+	
+	strcat(resultat, temp);
+	return 	resultat;
+	
+}