---

yaml
---
r: 59274
b: refs/heads/incoming
c: 8badea4
h: refs/heads/master
v: v3

Author: bors

[refs]

@@ -6,7 +6,7 @@ refs/heads/try: c50a9d5b664478e533ba1d1d353213d70c8ad589
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
 refs/heads/try2: 147ecfdd8221e4a4d4e090486829a06da1e0ca3c
-refs/heads/incoming: c69f8ea91a47830c8acf33774610a1c23136091f
+refs/heads/incoming: 8badea49b0291d5ea0979a8edfb1ebb4f01b043d
 refs/heads/dist-snap: 00dbbd01c2aee72982b3e0f9511ae1d4428c3ba9
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/incoming/src/libcore/num/f32.rs

@@ -414,6 +414,12 @@ impl Trigonometric for f32 {
 
     #[inline(always)]
     fn atan2(&self, other: f32) -> f32 { atan2(*self, other) }
+
+    /// Simultaneously computes the sine and cosine of the number
+    #[inline(always)]
+    fn sin_cos(&self) -> (f32, f32) {
+        (self.sin(), self.cos())
+    }
 }
 
 impl Exponential for f32 {

branches/incoming/src/libcore/num/f64.rs

@@ -426,6 +426,12 @@ impl Trigonometric for f64 {
 
     #[inline(always)]
     fn atan2(&self, other: f64) -> f64 { atan2(*self, other) }
+
+    /// Simultaneously computes the sine and cosine of the number
+    #[inline(always)]
+    fn sin_cos(&self) -> (f64, f64) {
+        (self.sin(), self.cos())
+    }
 }
 
 impl Exponential for f64 {

branches/incoming/src/libcore/num/float.rs

@@ -530,6 +530,14 @@ impl Trigonometric for float {
     fn atan2(&self, other: float) -> float {
         (*self as f64).atan2(other as f64) as float
     }
+
+    /// Simultaneously computes the sine and cosine of the number
+    #[inline(always)]
+    fn sin_cos(&self) -> (float, float) {
+        match (*self as f64).sin_cos() {
+            (s, c) => (s as float, c as float)
+        }
+    }
 }
 
 impl Exponential for float {

branches/incoming/src/libcore/num/num.rs

@@ -118,6 +118,7 @@ pub trait Trigonometric {
     fn acos(&self) -> Self;
     fn atan(&self) -> Self;
     fn atan2(&self, other: Self) -> Self;
+    fn sin_cos(&self) -> (Self, Self);
 }
 
 pub trait Exponential {