--- gforth/float.fs	2002/01/17 12:02:55	1.36
+++ gforth/float.fs	2002/12/05 19:25:23	1.39
@@ -72,12 +72,12 @@ DOES> ( -- r )
     \G floating-point stack.
     fp0 @ fp@ - [ 1 floats ] Literal / ;
 
-: FLit ( -- r )  r> dup f@ float+ >r ;
 : FLiteral ( compilation r -- ; run-time -- r ) \ float f-literal
     \G Compile appropriate code such that, at run-time, @i{r} is placed
     \G on the (floating-point) stack. Interpretation semantics are undefined.
-    BEGIN  here cell+ dup faligned <>  WHILE  postpone noop  REPEAT
-    postpone FLit  f, ;  immediate
+    BEGIN  here cell+ cell+ dup faligned <>  WHILE  postpone noop  REPEAT
+    postpone ahead here >r f, postpone then
+    r> postpone literal postpone f@ ;  immediate
 
 &15 Value precision ( -- u ) \ float-ext
 \G @i{u} is the number of significant digits currently used by
@@ -222,6 +222,19 @@ set-current
 	fnegate f~rel
     THEN ;
 
+1e 53 0 [do] f2* [loop] fconstant fround-offset \ 2^53
+
+: fround ( r1 -- r2 ) \ float f-round
+\G Round to nearest integral value.  Break ties with round-to-even.
+    \ assumes IEEE DP FP in round-to-even mode.
+    \ for an explanation of this code read
+    \ <2002Oct26.113823@a0.complang.tuwien.ac.at> ff.
+    fdup f0> if
+	fround-offset f- fround-offset f+
+    else fdup f0< if \ leave 0e and -0e as is
+	    fround-offset f+ fround-offset f-
+    then then ;
+
 : f.s ( -- ) \ gforth f-dot-s
     \G Display the number of items on the floating-point stack,
     \G followed by a list of the items; TOS is the right-most item.