===================================================================
RCS file: /home/cvs/OpenXM_contrib2/asir2000/engine/num.c,v
retrieving revision 1.2
retrieving revision 1.5
diff -u -p -r1.2 -r1.5
--- OpenXM_contrib2/asir2000/engine/num.c	2000/08/21 08:31:28	1.2
+++ OpenXM_contrib2/asir2000/engine/num.c	2001/09/05 09:01:27	1.5
@@ -23,7 +23,7 @@
  * shall be made on your publication or presentation in any form of the
  * results obtained by use of the SOFTWARE.
  * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
- * e-mail at risa-admin@flab.fujitsu.co.jp of the detailed specification
+ * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
  * for such modification or the source code of the modified part of the
  * SOFTWARE.
  * 
@@ -45,7 +45,7 @@
  * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
  * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
  *
- * $OpenXM: OpenXM_contrib2/asir2000/engine/num.c,v 1.1.1.1 1999/12/03 07:39:08 noro Exp $ 
+ * $OpenXM: OpenXM_contrib2/asir2000/engine/num.c,v 1.4 2001/09/03 07:01:06 noro Exp $ 
 */
 #include "ca.h"
 
@@ -95,4 +95,51 @@ VL vl;
 Num a,b;
 {
 	return (*cmpnumt[MAX(a?NID(a):0,b?NID(b):0)])(a,b);
+}
+
+extern int current_ff;
+
+void one_ff(c)
+Num *c;
+{
+	LM lm;
+	GFS fs;
+	GFSN fspn;
+
+	switch ( current_ff ) {
+		case FF_GFP:
+		case FF_GFPN:
+			MKLM(ONEN,lm);
+			*c = (Num)lm;
+			break;
+		case FF_GFS:
+			mqtogfs(ONEM,&fs);
+			*c = (Num)fs;
+			break;
+		case FF_GFSN:
+			ntogfsn(ONE,&fspn);
+			*c = (Num)fspn;
+			break;
+		default:
+			error("one_ff : not implemented yet");
+	}
+}
+
+int negative_number(c)
+Num c;
+{
+	if ( !c )
+		return 0;
+	else {
+		switch ( NID(c) ) {
+			case N_Q:
+				return SGN((Q)c)<0;
+			case N_R:
+				return BDY((Real)c)<0;
+			case N_B:
+				return 0; /* XXX */
+			default:
+				return 0;
+		}
+	}
 }