lib/std: Float has their own `==` and Comparable-related methods

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/lib/standard/kernel.nit b/lib/standard/kernel.nit
index 3fc5066..2e9c9ae 100644 (file)
--- a/lib/standard/kernel.nit
+++ b/lib/standard/kernel.nit
@@ -290,6 +290,8 @@ universal Float
        redef type OTHER: Float
 
        redef fun object_id is intern
+       redef fun ==(i) is intern
+       redef fun !=(i) is intern
        redef fun output is intern
 
        redef fun <=(i): Bool is intern
@@ -308,6 +310,44 @@ universal Float
 
        redef fun zero do return 0.0
        redef fun value_of(val) do return val.to_f
+
+       redef fun <=>(other)
+       do
+               if self < other then
+                       return -1
+               else if other < self then
+                       return 1
+               else
+                       return 0
+               end
+       end
+
+       redef fun is_between(c, d)
+       do
+               if self < c or d < self then
+                       return false
+               else
+                       return true
+               end
+       end
+
+       redef fun max(other)
+       do
+               if self < other then
+                       return other
+               else
+                       return self
+               end
+       end
+
+       redef fun min(c)
+       do
+               if c < self then
+                       return c
+               else
+                       return self
+               end
+       end
 end
 
 # Native integer numbers.