Default security requests to bog

[hcoop/portal.git] / util.sml

diff --git a/util.sml b/util.sml
index 2193512..9c269c1 100644 (file)
--- a/util.sml
+++ b/util.sml
@@ -29,8 +29,12 @@ fun makeSet f items =
 
 fun neg (r : real) = ~r
 fun add (r1 : real, r2) = r1 + r2
+fun sub (r1 : real, r2) = r1 - r2
 fun mult (r1, r2) = real r1 * r2
 
+fun lt (r1 : real, r2) = r1 < r2
+fun ge (r1 : real, r2) = r1 >= r2
+
 fun isIdent ch = Char.isLower ch orelse Char.isDigit ch orelse ch = #"-"
 
 fun validHost s =