From 854dda73bfee8a2917110db9f1deed833145e7af Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Crozet?= <developer@crozet.re>
Date: Sat, 15 Jun 2013 22:11:33 +0000
Subject: [PATCH] Add implementation of Bounded.

---
 src/dim1/vec1.rs | 14 ++++++++++++--
 src/dim2/vec2.rs | 13 ++++++++++++-
 src/dim3/vec3.rs | 13 ++++++++++++-
 src/ndim/nvec.rs | 13 ++++++++++++-
 4 files changed, 48 insertions(+), 5 deletions(-)

diff --git a/src/dim1/vec1.rs b/src/dim1/vec1.rs
index e4f8d627..1e451586 100644
--- a/src/dim1/vec1.rs
+++ b/src/dim1/vec1.rs
@@ -1,4 +1,4 @@
-use std::num::{Zero, One, Algebraic};
+use std::num::{Zero, One, Algebraic, Bounded};
 use std::rand::{Rand, Rng, RngUtil};
 use std::cmp::ApproxEq;
 use traits::basis::Basis;
@@ -14,7 +14,6 @@ use traits::scalar_op::{ScalarMul, ScalarDiv, ScalarAdd, ScalarSub};
 pub struct Vec1<N>
 { x : N }
 
-
 impl<N: Copy> Vec1<N>
 {
   #[inline(always)]
@@ -219,3 +218,14 @@ impl<N: Copy> Flatten<N> for Vec1<N>
   fn flatten_to(&self, l: &mut [N], off: uint)
   { l[off] = self.x }
 }
+
+impl<N: Bounded + Copy> Bounded for Vec1<N>
+{
+  #[inline(always)]
+  fn max_value() -> Vec1<N>
+  { Vec1::new(Bounded::max_value()) }
+
+  #[inline(always)]
+  fn min_value() -> Vec1<N>
+  { Vec1::new(Bounded::min_value()) }
+}
diff --git a/src/dim2/vec2.rs b/src/dim2/vec2.rs
index 9265201d..ff230448 100644
--- a/src/dim2/vec2.rs
+++ b/src/dim2/vec2.rs
@@ -1,4 +1,4 @@
-use std::num::{Zero, One, Algebraic};
+use std::num::{Zero, One, Algebraic, Bounded};
 use std::rand::{Rand, Rng, RngUtil};
 use dim1::vec1::Vec1;
 use std::cmp::ApproxEq;
@@ -257,3 +257,14 @@ impl<N: Copy> Flatten<N> for Vec2<N>
     l[off + 1] = self.y;
   }
 }
+
+impl<N: Bounded + Copy> Bounded for Vec2<N>
+{
+  #[inline(always)]
+  fn max_value() -> Vec2<N>
+  { Vec2::new(Bounded::max_value(), Bounded::max_value()) }
+
+  #[inline(always)]
+  fn min_value() -> Vec2<N>
+  { Vec2::new(Bounded::min_value(), Bounded::min_value()) }
+}
diff --git a/src/dim3/vec3.rs b/src/dim3/vec3.rs
index 6ded2d09..235d9420 100644
--- a/src/dim3/vec3.rs
+++ b/src/dim3/vec3.rs
@@ -1,4 +1,4 @@
-use std::num::{Zero, One, Algebraic, abs};
+use std::num::{Zero, One, Algebraic, abs, Bounded};
 use std::rand::{Rand, Rng, RngUtil};
 use std::cmp::ApproxEq;
 use traits::basis::Basis;
@@ -287,3 +287,14 @@ impl<N: Copy> Flatten<N> for Vec3<N>
     l[off + 2] = self.z;
   }
 }
+
+impl<N: Bounded + Copy> Bounded for Vec3<N>
+{
+  #[inline(always)]
+  fn max_value() -> Vec3<N>
+  { Vec3::new(Bounded::max_value(), Bounded::max_value(), Bounded::max_value()) }
+
+  #[inline(always)]
+  fn min_value() -> Vec3<N>
+  { Vec3::new(Bounded::min_value(), Bounded::min_value(), Bounded::min_value()) }
+}
diff --git a/src/ndim/nvec.rs b/src/ndim/nvec.rs
index 6263151d..c8cd5497 100644
--- a/src/ndim/nvec.rs
+++ b/src/ndim/nvec.rs
@@ -1,5 +1,5 @@
 use std::uint::iterate;
-use std::num::{Zero, Algebraic};
+use std::num::{Zero, Algebraic, Bounded};
 use std::rand::{Rand, Rng, RngUtil};
 use std::vec::{map};
 use std::cmp::ApproxEq;
@@ -265,3 +265,14 @@ impl<D: Dim, N: Zero + Copy> Flatten<N> for NVec<D, N>
     { l[off + i] = self.at.at[i] }
   }
 }
+
+impl<D: Dim, N: Bounded + Zero + Add<N, N> + Copy> Bounded for NVec<D, N>
+{
+  #[inline(always)]
+  fn max_value() -> NVec<D, N>
+  { Zero::zero::<NVec<D, N>>().scalar_add(&Bounded::max_value()) }
+
+  #[inline(always)]
+  fn min_value() -> NVec<D, N>
+  { Zero::zero::<NVec<D, N>>().scalar_add(&Bounded::min_value()) }
+}