Changed pi symbol to 'pi'

core/Double.carp

@@ -1,5 +1,5 @@
 (defmodule Double
-  (def π 3.141592653589793)
+  (def pi 3.141592653589793)
   (def e 2.718281828459045)
   (register = (Fn [Double Double] Bool))
   (register < (Fn [Double Double] Bool))

core/Float.carp

@@ -1,5 +1,5 @@
 (defmodule Float
-  (def π 3.1415926536f)
+  (def pi 3.1415926536f)
   (register neg (Fn [Float] Float))
   (register + (Fn [Float Float] Float))
   (register - (Fn [Float Float] Float))

core/Geometry.carp

@@ -1,7 +1,7 @@
 (defmodule Geometry
   (defn degree-to-radians [n]
-    (Double.* n (Double./ Double.π 180.0)))
+    (Double.* n (Double./ Double.pi 180.0)))
 
   (defn radians-to-degree [n]
-    (Double.* n (Double./ 180.0 Double.π)))
+    (Double.* n (Double./ 180.0 Double.pi)))
 )

core/Interfaces.carp

@@ -25,7 +25,7 @@
 ;; (definterface min (λ [a a] a))
 ;;(definterface from-string (λ [a] String))
 
-(definterface π a)
+(definterface pi a)
 
 ;; These interfaces are defined internally:
 ;;(definterface copy (λ [&a] a))

docs/Presentation.md

@@ -58,7 +58,7 @@
 ---
 # Defining things
 ```
-(defn circle-area [r] (* π (* r r))
+(defn circle-area [r] (* pi (* r r))
 
 (defn id [x] x)
 
@@ -69,7 +69,7 @@
 # Type inference
 
 ```
-(defn circle-area [r] (* π (* r r)) : (λ [Float] Float)
+(defn circle-area [r] (* pi (* r r)) : (λ [Float] Float)
 
 (defn id [x] x) : (λ [a] a)
 
@@ -359,7 +359,7 @@ Double : Module = {
     sin : (λ [Double] Double)
     str : (λ [Double] String)
     to-int : (λ [Double] Int)
-    π : Double
+    pi : Double
 }
 ```