From 440e835967dd4bac67a7b20ea8b063dfa347891e Mon Sep 17 00:00:00 2001
From: Rahul Butani <rr.butani@gmail.com>
Date: Tue, 17 Jul 2018 15:03:39 -0500
Subject: [PATCH] Enable tests and expose

---
 library/compiler-builtins/libm/src/lib.rs                 | 2 --
 library/compiler-builtins/libm/src/math/mod.rs            | 3 ++-
 library/compiler-builtins/libm/test-generator/src/main.rs | 2 +-
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/library/compiler-builtins/libm/src/lib.rs b/library/compiler-builtins/libm/src/lib.rs
index 1837b9c1f9ed..06991effe1d7 100644
--- a/library/compiler-builtins/libm/src/lib.rs
+++ b/library/compiler-builtins/libm/src/lib.rs
@@ -343,7 +343,6 @@ pub trait F64Ext: private::Sealed + Sized {
     // NOTE depends on unstable intrinsics::powif64
     // fn powi(self, n: i32) -> Self;
 
-    #[cfg(todo)]
     fn powf(self, n: Self) -> Self;
 
     fn sqrt(self) -> Self;
@@ -463,7 +462,6 @@ impl F64Ext for f64 {
         }
     }
 
-    #[cfg(todo)]
     #[inline]
     fn powf(self, n: Self) -> Self {
         pow(self, n)
diff --git a/library/compiler-builtins/libm/src/math/mod.rs b/library/compiler-builtins/libm/src/math/mod.rs
index 754efa9f6dac..6dd362d00945 100644
--- a/library/compiler-builtins/libm/src/math/mod.rs
+++ b/library/compiler-builtins/libm/src/math/mod.rs
@@ -50,6 +50,7 @@ mod log2;
 mod log2f;
 mod logf;
 mod powf;
+mod pow;
 mod round;
 mod roundf;
 mod scalbn;
@@ -111,6 +112,7 @@ pub use self::log2::log2;
 pub use self::log2f::log2f;
 pub use self::logf::logf;
 pub use self::powf::powf;
+pub use self::pow::pow;
 pub use self::round::round;
 pub use self::roundf::roundf;
 pub use self::scalbn::scalbn;
@@ -167,7 +169,6 @@ fn get_low_word(x: f64) -> u32 {
     x.to_bits() as u32
 }
 
-#[allow(dead_code)]
 #[inline]
 fn with_set_high_word(f: f64, hi: u32) -> f64 {
     let mut tmp = f.to_bits();
diff --git a/library/compiler-builtins/libm/test-generator/src/main.rs b/library/compiler-builtins/libm/test-generator/src/main.rs
index 09a9cb8f5887..4c4e420a2852 100644
--- a/library/compiler-builtins/libm/test-generator/src/main.rs
+++ b/library/compiler-builtins/libm/test-generator/src/main.rs
@@ -774,7 +774,7 @@ f64f64_f64! {
     fdim,
     fmod,
     hypot,
-    // pow,
+    pow,
 }
 
 // With signature `fn(f64, f64, f64) -> f64`