auto merge of #6586 : bjz/rust/formatting-and-conditionals, r=thestinger

4 files changed, 52 insertions, 4 deletions

diff --git a/src/libcore/num/f32.rs b/src/libcore/num/f32.rs
index 4a3ec3528f2..d580f7aa26c 100644
--- a/src/libcore/num/f32.rs
+++ b/src/libcore/num/f32.rs
@@ -248,8 +248,7 @@ impl Orderable for f32 {
         if self.is_NaN() || other.is_NaN() { Float::NaN() } else { fmax(*self, *other) }
     }
 
-    /// Returns the number constrained within the range `mn <= self <= mx`.
-    /// If any of the numbers are `NaN` then `NaN` is returned.
+    #[cfg(stage0)]
     #[inline(always)]
     fn clamp(&self, mn: &f32, mx: &f32) -> f32 {
         if self.is_NaN() { *self }
@@ -257,6 +256,19 @@ impl Orderable for f32 {
         else if !(*self >= *mn) { *mn }
         else { *self }
     }
+
+    /// Returns the number constrained within the range `mn <= self <= mx`.
+    /// If any of the numbers are `NaN` then `NaN` is returned.
+    #[cfg(not(stage0))]
+    #[inline(always)]
+    fn clamp(&self, mn: &f32, mx: &f32) -> f32 {
+        cond!(
+            (self.is_NaN())   { *self }
+            (!(*self <= *mx)) { *mx   }
+            (!(*self >= *mn)) { *mn   }
+            _                 { *self }
+        )
+    }
 }
 
 impl Zero for f32 {
diff --git a/src/libcore/num/f64.rs b/src/libcore/num/f64.rs
index e370f43a003..d140df30c42 100644
--- a/src/libcore/num/f64.rs
+++ b/src/libcore/num/f64.rs
@@ -270,8 +270,7 @@ impl Orderable for f64 {
         if self.is_NaN() || other.is_NaN() { Float::NaN() } else { fmax(*self, *other) }
     }
 
-    /// Returns the number constrained within the range `mn <= self <= mx`.
-    /// If any of the numbers are `NaN` then `NaN` is returned.
+    #[cfg(stage0)]
     #[inline(always)]
     fn clamp(&self, mn: &f64, mx: &f64) -> f64 {
         if self.is_NaN() { *self }
@@ -279,6 +278,19 @@ impl Orderable for f64 {
         else if !(*self >= *mn) { *mn }
         else { *self }
     }
+
+    /// Returns the number constrained within the range `mn <= self <= mx`.
+    /// If any of the numbers are `NaN` then `NaN` is returned.
+    #[cfg(not(stage0))]
+    #[inline(always)]
+    fn clamp(&self, mn: &f64, mx: &f64) -> f64 {
+        cond!(
+            (self.is_NaN())   { *self }
+            (!(*self <= *mx)) { *mx   }
+            (!(*self >= *mn)) { *mn   }
+            _                 { *self }
+        )
+    }
 }
 
 impl Zero for f64 {
diff --git a/src/libcore/num/int-template.rs b/src/libcore/num/int-template.rs
index 348f72f9f0a..d0e6174ec63 100644
--- a/src/libcore/num/int-template.rs
+++ b/src/libcore/num/int-template.rs
@@ -187,11 +187,23 @@ impl Orderable for T {
         if *self > *other { *self } else { *other }
     }
 
+    #[cfg(stage0)]
     #[inline(always)]
     fn clamp(&self, mn: &T, mx: &T) -> T {
         if *self > *mx { *mx } else
         if *self < *mn { *mn } else { *self }
     }
+
+    /// Returns the number constrained within the range `mn <= self <= mx`.
+    #[cfg(not(stage0))]
+    #[inline(always)]
+    fn clamp(&self, mn: &T, mx: &T) -> T {
+        cond!(
+            (*self > *mx) { *mx   }
+            (*self < *mn) { *mn   }
+            _             { *self }
+        )
+    }
 }
 
 impl Zero for T {
diff --git a/src/libcore/num/uint-template.rs b/src/libcore/num/uint-template.rs
index da0815c264b..f3e14094505 100644
--- a/src/libcore/num/uint-template.rs
+++ b/src/libcore/num/uint-template.rs
@@ -153,11 +153,23 @@ impl Orderable for T {
         if *self > *other { *self } else { *other }
     }
 
+    #[cfg(stage0)]
     #[inline(always)]
     fn clamp(&self, mn: &T, mx: &T) -> T {
         if *self > *mx { *mx } else
         if *self < *mn { *mn } else { *self }
     }
+
+    /// Returns the number constrained within the range `mn <= self <= mx`.
+    #[cfg(not(stage0))]
+    #[inline(always)]
+    fn clamp(&self, mn: &T, mx: &T) -> T {
+        cond!(
+            (*self > *mx) { *mx   }
+            (*self < *mn) { *mn   }
+            _             { *self }
+        )
+    }
 }
 
 impl Zero for T {