===================================================================
RCS file: /home/cvs/OpenXM_contrib2/asir2000/io/spexpr.c,v
retrieving revision 1.25
retrieving revision 1.26
diff -u -p -r1.25 -r1.26
--- OpenXM_contrib2/asir2000/io/spexpr.c	2003/12/25 02:40:24	1.25
+++ OpenXM_contrib2/asir2000/io/spexpr.c	2004/02/04 07:42:07	1.26
@@ -44,14 +44,14 @@
  * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
  * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
  * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
- * $OpenXM: OpenXM_contrib2/asir2000/io/spexpr.c,v 1.24 2003/06/09 16:18:10 saito Exp $
 */
 #include "ca.h"
 #include "al.h"
 #include "parse.h"
 #include "comp.h"
 #include "base.h"
-#if PARI
+
+#if defined(PARI)
 #include "genpari.h"
 #endif
 
@@ -70,6 +70,7 @@ int hex_output;
 int fortran_output;
 int double_output;
 int real_digit;
+int real_binary;
 int print_quote;
 
 #define TAIL
@@ -105,6 +106,7 @@ int print_quote;
 #define PRINTUP printup
 #define PRINTUM printum
 #define PRINTSF printsf
+#define PRINTSYMBOL printsymbol
 #endif
 
 #ifdef SPRINT
@@ -115,6 +117,7 @@ extern int hex_output;
 extern int fortran_output;
 extern int double_output;
 extern int real_digit;
+extern int real_binary;
 extern int print_quote;
 
 
@@ -151,6 +154,7 @@ extern int print_quote;
 #define PRINTUP sprintup
 #define PRINTUM sprintum
 #define PRINTSF sprintsf
+#define PRINTSYMBOL sprintsymbol
 #endif
 
 void PRINTEXPR();
@@ -182,6 +186,7 @@ void PRINTEOP();
 void PRINTLOP();
 void PRINTQOP();
 void PRINTSF();
+void PRINTSYMBOL();
 
 #ifdef FPRINT
 void output_init() {
@@ -292,6 +297,8 @@ Obj p;
 			PRINTBYTEARRAY(vl,(BYTEARRAY)p); break;
 		case O_QUOTE:
 			PRINTQUOTE(vl,(QUOTE)p); break;
+		case O_SYMBOL:
+			PRINTSYMBOL((Symbol)p); break;
 		default:
 			break;
 	}
@@ -393,7 +400,76 @@ Num q;
 				case MID_PRINTF_G:
 #endif
 				default:
-					if ( real_digit ) {
+					if ( real_binary ) {
+						unsigned int *m;
+						unsigned int u,l,mask;
+						int i,expo;
+
+						m = (unsigned int *)&BDY((Real)q);
+#if defined(__i386__) || defined(MIPSEL) || defined(VISUAL) || defined(__alpha) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__x86_64)
+						u = m[1]; l = m[0];
+#else
+						u = m[0]; l = m[1];
+#endif
+						if (u&0x80000000) {
+							TAIL PRINTF(OUT,"-");
+						}
+						u &= 0x7fffffff;
+						expo = ((int)(u>>20));
+						u &= 0xfffff;
+						if ( expo == 2047 ) {
+							if ( u || l ) {
+								TAIL PRINTF(OUT,"NaN");
+							} else {
+								TAIL PRINTF(OUT,"Inf");
+							}
+						} else if ( expo == 0 ) {
+							if ( u || l ) {
+								TAIL PRINTF(OUT,"0b0.");
+								for ( i = 0, mask = 0x80000; i < 20; 
+									i++, mask >>= 1) {
+									TAIL
+									if ( u&mask )
+										PRINTF(OUT,"1");
+									else
+										PRINTF(OUT,"0");
+								}
+								for ( i = 0, mask = 0x80000000; i < 32;
+									i++, mask >>= 1) {
+									TAIL
+									if ( l&mask )
+										PRINTF(OUT,"1");
+									else
+										PRINTF(OUT,"0");
+								}
+								TAIL PRINTF(OUT,"*2^%d",-1022);
+							} else {
+								TAIL PRINTF(OUT,"0");
+							}
+						} else {
+							expo -= 1023;
+							TAIL PRINTF(OUT,"0b1.");
+							for ( i = 0, mask = 0x80000; i < 20; 
+								i++, mask >>= 1) {
+								TAIL
+								if ( u&mask )
+									PRINTF(OUT,"1");
+								else
+									PRINTF(OUT,"0");
+							}
+							for ( i = 0, mask = 0x80000000; i < 32;
+								i++, mask >>= 1) {
+								TAIL
+								if ( l&mask )
+									PRINTF(OUT,"1");
+								else
+									PRINTF(OUT,"0");
+							}
+							if ( expo ) {
+								TAIL PRINTF(OUT,"*2^%d",expo);
+							}
+						}
+					} else if ( real_digit ) {
 						sprintf(real_format,
 							double_output?"%%.%df":"%%.%dg",real_digit);
 						TAIL PRINTF(OUT,real_format,BDY((Real)q));
@@ -1098,4 +1174,9 @@ unsigned int i;
 	} else {
 		TAIL PRINTF(OUT,"@_%d",IFTOF(i));
 	}
+}
+
+void PRINTSYMBOL(Symbol p)
+{
+	PUTS(p->name);
 }