Merge pull request #62 from jmkuhn/32bit

Fix overflow on 32 bit systems

Author: jmkuhn

src/cformat.jl

@@ -204,11 +204,11 @@ function format( x::T;
                     (1024.0 ^8,  "Yi" ),
                     (1024.0 ^7,  "Zi" ),
                     (1024.0 ^6,  "Ei" ),
-                    (1024^5,  "Pi" ),
-                    (1024^4,  "Ti" ),
-                    (1024^3,  "Gi"),
-                    (1024^2,  "Mi"),
-                    (1024,    "Ki")
+                    (1024.0 ^5,  "Pi" ),
+                    (1024.0 ^4,  "Ti" ),
+                    (1024.0 ^3,  "Gi"),
+                    (1024.0 ^2,  "Mi"),
+                    (1024.0,     "Ki")
                 ]
             else # :finance
                 scales = [