Added breaking sinusoids into orthogonal componentsHEADmain

It looks this has been sitting in my directory for a while, and I just
forgot to push it.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/num_traits.rs b/src/num_traits.rs
index 030e5c4..938bc9a 100644
--- a/src/num_traits.rs
+++ b/src/num_traits.rs
@@ -99,6 +99,8 @@ pub trait FractionOps {
     fn recip(self) -> Self;
     fn pi() -> Self;
     fn two_pi() -> Self;
+    fn half_pi() -> Self;
+    fn zero() -> Self;
 }
 
 macro_rules! impl_fraction_float {
@@ -113,6 +115,12 @@ macro_rules! impl_fraction_float {
             fn two_pi() -> Self {
                 2.0 * $pi
             }
+            fn half_pi() -> Self {
+                $pi / 2.0
+            }
+            fn zero() -> Self {
+                0.0
+            }
         }
     }
 }