--- gforth/float.fs	2000/09/23 15:46:56	1.34
+++ 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
@@ -102,7 +102,7 @@ DOES> ( -- r )
 : f.  ( r -- ) \ float-ext f-dot
 \G Display (the floating-point number) @i{r} without exponent,
 \G followed by a space.
-  f$ dup >r 0<
+  f$ dup >r 0<=
   IF    '0 emit
   ELSE  scratch r@ min type  r@ precision - zeros  THEN
   '. emit r@ negate zeros
@@ -180,6 +180,9 @@ IS interpreter-notfound
     \G Divide 1.0e0 by @i{r1}.
     1.0e0 fswap f/ ;
 
+get-current environment-wordlist set-current
+1.7976931348623157e308 FConstant max-float
+set-current
 
 \ We now have primitives for these, so we need not define them
 
@@ -219,6 +222,19 @@ IS interpreter-notfound
 	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.