Rollup merge of #120109 - joboet:move_pal_cmath, r=ChrisDenton

Move cmath into `sys`

Part of #117276.

r? ``@ChrisDenton``

2 files changed, 0 insertions, 97 deletions

diff --git a/library/std/src/sys/pal/windows/cmath.rs b/library/std/src/sys/pal/windows/cmath.rs
deleted file mode 100644
index 36578d5a34e..00000000000
--- a/library/std/src/sys/pal/windows/cmath.rs
+++ /dev/null
@@ -1,96 +0,0 @@
-#![cfg(not(test))]
-
-use core::ffi::{c_double, c_float, c_int};
-
-extern "C" {
-    pub fn acos(n: c_double) -> c_double;
-    pub fn asin(n: c_double) -> c_double;
-    pub fn atan(n: c_double) -> c_double;
-    pub fn atan2(a: c_double, b: c_double) -> c_double;
-    pub fn cbrt(n: c_double) -> c_double;
-    pub fn cbrtf(n: c_float) -> c_float;
-    pub fn cosh(n: c_double) -> c_double;
-    pub fn expm1(n: c_double) -> c_double;
-    pub fn expm1f(n: c_float) -> c_float;
-    pub fn fdim(a: c_double, b: c_double) -> c_double;
-    pub fn fdimf(a: c_float, b: c_float) -> c_float;
-    #[cfg_attr(target_env = "msvc", link_name = "_hypot")]
-    pub fn hypot(x: c_double, y: c_double) -> c_double;
-    #[cfg_attr(target_env = "msvc", link_name = "_hypotf")]
-    pub fn hypotf(x: c_float, y: c_float) -> c_float;
-    pub fn log1p(n: c_double) -> c_double;
-    pub fn log1pf(n: c_float) -> c_float;
-    pub fn sinh(n: c_double) -> c_double;
-    pub fn tan(n: c_double) -> c_double;
-    pub fn tanh(n: c_double) -> c_double;
-    pub fn tgamma(n: c_double) -> c_double;
-    pub fn tgammaf(n: c_float) -> c_float;
-    pub fn lgamma_r(n: c_double, s: &mut c_int) -> c_double;
-    pub fn lgammaf_r(n: c_float, s: &mut c_int) -> c_float;
-}
-
-pub use self::shims::*;
-
-#[cfg(not(all(target_env = "msvc", target_arch = "x86")))]
-mod shims {
-    use core::ffi::c_float;
-
-    extern "C" {
-        pub fn acosf(n: c_float) -> c_float;
-        pub fn asinf(n: c_float) -> c_float;
-        pub fn atan2f(a: c_float, b: c_float) -> c_float;
-        pub fn atanf(n: c_float) -> c_float;
-        pub fn coshf(n: c_float) -> c_float;
-        pub fn sinhf(n: c_float) -> c_float;
-        pub fn tanf(n: c_float) -> c_float;
-        pub fn tanhf(n: c_float) -> c_float;
-    }
-}
-
-// On 32-bit x86 MSVC these functions aren't defined, so we just define shims
-// which promote everything to f64, perform the calculation, and then demote
-// back to f32. While not precisely correct should be "correct enough" for now.
-#[cfg(all(target_env = "msvc", target_arch = "x86"))]
-mod shims {
-    use core::ffi::c_float;
-
-    #[inline]
-    pub unsafe fn acosf(n: c_float) -> c_float {
-        f64::acos(n as f64) as c_float
-    }
-
-    #[inline]
-    pub unsafe fn asinf(n: c_float) -> c_float {
-        f64::asin(n as f64) as c_float
-    }
-
-    #[inline]
-    pub unsafe fn atan2f(n: c_float, b: c_float) -> c_float {
-        f64::atan2(n as f64, b as f64) as c_float
-    }
-
-    #[inline]
-    pub unsafe fn atanf(n: c_float) -> c_float {
-        f64::atan(n as f64) as c_float
-    }
-
-    #[inline]
-    pub unsafe fn coshf(n: c_float) -> c_float {
-        f64::cosh(n as f64) as c_float
-    }
-
-    #[inline]
-    pub unsafe fn sinhf(n: c_float) -> c_float {
-        f64::sinh(n as f64) as c_float
-    }
-
-    #[inline]
-    pub unsafe fn tanf(n: c_float) -> c_float {
-        f64::tan(n as f64) as c_float
-    }
-
-    #[inline]
-    pub unsafe fn tanhf(n: c_float) -> c_float {
-        f64::tanh(n as f64) as c_float
-    }
-}
diff --git a/library/std/src/sys/pal/windows/mod.rs b/library/std/src/sys/pal/windows/mod.rs
index d097a7b8bb2..364521dba40 100644
--- a/library/std/src/sys/pal/windows/mod.rs
+++ b/library/std/src/sys/pal/windows/mod.rs
@@ -15,7 +15,6 @@ pub mod compat;
 pub mod alloc;
 pub mod args;
 pub mod c;
-pub mod cmath;
 pub mod env;
 pub mod fs;
 pub mod handle;