Revert log2 breakage

src/lib.rs

@@ -229,7 +229,7 @@ impl F32Ext for f32 {
 
     #[inline]
     fn log2(self) -> Self {
-        self.log2f(self)
+        log2f(self)
     }
 
     #[cfg(todo)]
@@ -556,7 +556,7 @@ impl F64Ext for f64 {
 
     #[inline]
     fn log2(self) -> Self {
-        self.log2(self)
+        log2(self)
     }
 
     #[cfg(todo)]

src/math/mod.rs

@@ -33,7 +33,7 @@ mod truncf;
 
 pub use self::{
     ceilf::ceilf, expf::expf, fabs::fabs, fabsf::fabsf, floor::floor, floorf::floorf, fmod::fmod,
-    fmodf::fmodf, hypot::hypot, hypotf::hypotf, logf::logf, powf::powf, round::round,
-    roundf::roundf, scalbn::scalbn, scalbnf::scalbnf, sqrt::sqrt, sqrtf::sqrtf, trunc::trunc,
-    truncf::truncf,
+    fmodf::fmodf, hypot::hypot, hypotf::hypotf, log2::log2, log2f::log2f, logf::logf, powf::powf,
+    round::round, roundf::roundf, scalbn::scalbn, scalbnf::scalbnf, sqrt::sqrt, sqrtf::sqrtf,
+    trunc::trunc, truncf::truncf,
 };