diff options
Diffstat (limited to 'src/libstd/f32.rs')
| -rw-r--r-- | src/libstd/f32.rs | 88 |
1 files changed, 2 insertions, 86 deletions
diff --git a/src/libstd/f32.rs b/src/libstd/f32.rs index 0135cd0a588..7ec6124dfa4 100644 --- a/src/libstd/f32.rs +++ b/src/libstd/f32.rs @@ -23,6 +23,8 @@ use core::num; use intrinsics; #[cfg(not(test))] use num::FpCategory; +#[cfg(not(test))] +use sys::cmath; #[stable(feature = "rust1", since = "1.0.0")] @@ -36,92 +38,6 @@ pub use core::f32::{MIN, MIN_POSITIVE, MAX}; #[stable(feature = "rust1", since = "1.0.0")] pub use core::f32::consts; -#[allow(dead_code)] -mod cmath { - use libc::{c_float, c_int}; - - extern { - pub fn cbrtf(n: c_float) -> c_float; - pub fn erff(n: c_float) -> c_float; - pub fn erfcf(n: c_float) -> c_float; - pub fn expm1f(n: c_float) -> c_float; - pub fn fdimf(a: c_float, b: c_float) -> c_float; - pub fn fmodf(a: c_float, b: c_float) -> c_float; - pub fn ilogbf(n: c_float) -> c_int; - pub fn logbf(n: c_float) -> c_float; - pub fn log1pf(n: c_float) -> c_float; - pub fn modff(n: c_float, iptr: &mut c_float) -> c_float; - pub fn nextafterf(x: c_float, y: c_float) -> c_float; - pub fn tgammaf(n: c_float) -> c_float; - - #[cfg_attr(all(windows, target_env = "msvc"), link_name = "__lgammaf_r")] - pub fn lgammaf_r(n: c_float, sign: &mut c_int) -> c_float; - #[cfg_attr(all(windows, target_env = "msvc"), link_name = "_hypotf")] - pub fn hypotf(x: c_float, y: c_float) -> c_float; - } - - // See the comments in the `floor` function for why MSVC is special - // here. - #[cfg(not(target_env = "msvc"))] - extern { - 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; - } - - #[cfg(target_env = "msvc")] - pub use self::shims::*; - #[cfg(target_env = "msvc")] - mod shims { - use libc::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 - } - } -} - #[cfg(not(test))] #[lang = "f32"] impl f32 { |