diff --git a/basis/compiler/tree/propagation/recursive/recursive.factor b/basis/compiler/tree/propagation/recursive/recursive.factor
index 1bcd36f6b0..b8d1760a0b 100644
--- a/basis/compiler/tree/propagation/recursive/recursive.factor
+++ b/basis/compiler/tree/propagation/recursive/recursive.factor
@@ -28,8 +28,8 @@ IN: compiler.tree.propagation.recursive
     {
         { [ 2dup interval-subset? ] [ empty-interval ] }
         { [ over empty-interval eq? ] [ empty-interval ] }
-        { [ 2dup interval>= t eq? ] [ 1./0. [a,a] ] }
-        { [ 2dup interval<= t eq? ] [ -1./0. [a,a] ] }
+        { [ 2dup interval>= t eq? ] [ 1/0. [a,a] ] }
+        { [ 2dup interval<= t eq? ] [ -1/0. [a,a] ] }
         [ [-inf,inf] ]
     } cond interval-union nip ;
 
diff --git a/basis/math/functions/functions.factor b/basis/math/functions/functions.factor
index 1eac321e3b..a6beb87345 100644
--- a/basis/math/functions/functions.factor
+++ b/basis/math/functions/functions.factor
@@ -81,7 +81,7 @@ PRIVATE>
     2dup [ real? ] both? [ drop 0 >= ] [ 2drop f ] if ; inline
 
 : 0^ ( x -- z )
-    dup zero? [ drop 0./0. ] [ 0 < 1./0. 0 ? ] if ; inline
+    dup zero? [ drop 0/0. ] [ 0 < 1/0. 0 ? ] if ; inline
 
 : (^mod) ( n x y -- z )
     make-bits 1 [
diff --git a/basis/math/intervals/intervals.factor b/basis/math/intervals/intervals.factor
index 4fbc880971..02ea181f4e 100755
--- a/basis/math/intervals/intervals.factor
+++ b/basis/math/intervals/intervals.factor
@@ -40,13 +40,13 @@ TUPLE: interval { from read-only } { to read-only } ;
 : [a,a] ( a -- interval )
     closed-point dup <interval> ; foldable
 
-: [-inf,a] ( a -- interval ) -1./0. swap [a,b] ; inline
+: [-inf,a] ( a -- interval ) -1/0. swap [a,b] ; inline
 
-: [-inf,a) ( a -- interval ) -1./0. swap [a,b) ; inline
+: [-inf,a) ( a -- interval ) -1/0. swap [a,b) ; inline
 
-: [a,inf] ( a -- interval ) 1./0. [a,b] ; inline
+: [a,inf] ( a -- interval ) 1/0. [a,b] ; inline
 
-: (a,inf] ( a -- interval ) 1./0. (a,b] ; inline
+: (a,inf] ( a -- interval ) 1/0. (a,b] ; inline
 
 : [-inf,inf] ( -- interval ) full-interval ; inline
 
diff --git a/basis/pango/layouts/layouts.factor b/basis/pango/layouts/layouts.factor
index defcdec6f8..25aee74ca4 100644
--- a/basis/pango/layouts/layouts.factor
+++ b/basis/pango/layouts/layouts.factor
@@ -44,7 +44,7 @@ FUNCTION: PangoLayoutLine*
 pango_layout_get_line_readonly ( PangoLayout* layout, int line ) ;
                                                          
 FUNCTION: void
-pango_layout_line_index_to_x ( PangoLayoutLine* line, int index_, gboolean trailing, int* x_pos ) ;
+pango_layout_line_index_to_x ( PangoLayoutLine* line, int index_, uint trailing, int* x_pos ) ;
 
 FUNCTION: gboolean
 pango_layout_line_x_to_index ( PangoLayoutLine* line, int x_pos, int* index_, int* trailing ) ;
@@ -122,7 +122,7 @@ MEMO: missing-font-metrics ( font -- metrics )
 : line-offset>x ( layout n -- x )
     #! n is an index into the UTF8 encoding of the text
     [ drop first-line ] [ swap string>> >utf8-index ] 2bi
-    f 0 <int> [ pango_layout_line_index_to_x ] keep
+    0 0 <int> [ pango_layout_line_index_to_x ] keep
     *int pango>float ;
 
 : x>line-offset ( layout x -- n )
@@ -205,4 +205,4 @@ SYMBOL: cached-layouts
 : cached-line ( font string -- line )
     cached-layout layout>> first-line ;
 
-[ <cache-assoc> cached-layouts set-global ] "pango.layouts" add-init-hook
\ No newline at end of file
+[ <cache-assoc> cached-layouts set-global ] "pango.layouts" add-init-hook