From 6f604b19d3f5966e5c1d7c4fdf3703bd6ff0861c Mon Sep 17 00:00:00 2001 From: Mart Lubbers Date: Thu, 16 Apr 2015 21:22:20 +0200 Subject: update to fp2 yay, public and licence --- fp1/week2/mart/VectorOverloading.icl | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 fp1/week2/mart/VectorOverloading.icl (limited to 'fp1/week2/mart/VectorOverloading.icl') diff --git a/fp1/week2/mart/VectorOverloading.icl b/fp1/week2/mart/VectorOverloading.icl new file mode 100644 index 0000000..74f6f69 --- /dev/null +++ b/fp1/week2/mart/VectorOverloading.icl @@ -0,0 +1,22 @@ +implementation module VectorOverloading + +import StdEnv + +:: Vector2 a = {x0 :: a, x1 :: a} + +instance == (Vector2 a) | == a where + == a b = a.x0 == b.x0 && a.x1 == b.x1 +instance zero (Vector2 a) | zero a where + zero = {x0=zero, x1=zero} +instance one (Vector2 a) | one a where + one = {x0=one, x1=one} +instance ~ (Vector2 a) | ~ a where + ~ a = {x0= ~a.x0, x1= ~a.x1} +instance + (Vector2 a) | + a where + + a b = {x0=a.x0+b.x0, x1=a.x1+b.x1} +instance - (Vector2 a) | - a where + - a b = {x0=a.x0-b.x0, x1=a.x1-b.x1} +instance * (Vector2 a) | * a where + * a b = {x0=a.x0*b.x0, x1=a.x1*b.x1} +instance / (Vector2 a) | / a where + / a b = {x0=a.x0/b.x0, x1=a.x1/b.x1} -- cgit v1.2.3