use intrinsics;
#[cfg(not(test))]
use num::FpCategory;
+#[cfg(not(test))]
+use sys::cmath;
#[stable(feature = "rust1", since = "1.0.0")]
#[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 {
use intrinsics;
#[cfg(not(test))]
use num::FpCategory;
+#[cfg(not(test))]
+use sys::cmath;
#[stable(feature = "rust1", since = "1.0.0")]
pub use core::f64::{RADIX, MANTISSA_DIGITS, DIGITS, EPSILON};
#[stable(feature = "rust1", since = "1.0.0")]
pub use core::f64::consts;
-#[allow(dead_code)]
-mod cmath {
- use libc::{c_double, c_int};
-
- #[link_name = "m"]
- extern {
- 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 cosh(n: c_double) -> c_double;
- pub fn erf(n: c_double) -> c_double;
- pub fn erfc(n: c_double) -> c_double;
- pub fn expm1(n: c_double) -> c_double;
- pub fn fdim(a: c_double, b: c_double) -> c_double;
- pub fn fmod(a: c_double, b: c_double) -> c_double;
- pub fn frexp(n: c_double, value: &mut c_int) -> c_double;
- pub fn ilogb(n: c_double) -> c_int;
- pub fn ldexp(x: c_double, n: c_int) -> c_double;
- pub fn logb(n: c_double) -> c_double;
- pub fn log1p(n: c_double) -> c_double;
- pub fn nextafter(x: c_double, y: c_double) -> c_double;
- pub fn modf(n: c_double, iptr: &mut c_double) -> c_double;
- 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;
-
- // These are commonly only available for doubles
-
- pub fn j0(n: c_double) -> c_double;
- pub fn j1(n: c_double) -> c_double;
- pub fn jn(i: c_int, n: c_double) -> c_double;
-
- pub fn y0(n: c_double) -> c_double;
- pub fn y1(n: c_double) -> c_double;
- pub fn yn(i: c_int, n: c_double) -> c_double;
-
- #[cfg_attr(all(windows, target_env = "msvc"), link_name = "__lgamma_r")]
- pub fn lgamma_r(n: c_double, sign: &mut c_int) -> c_double;
-
- #[cfg_attr(all(windows, target_env = "msvc"), link_name = "_hypot")]
- pub fn hypot(x: c_double, y: c_double) -> c_double;
- }
-}
-
#[cfg(not(test))]
#[lang = "f64"]
impl f64 {
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![cfg(not(test))]
+
+use libc::{c_float, c_double};
+
+#[link_name = "m"]
+extern {
+ pub fn acos(n: c_double) -> c_double;
+ pub fn acosf(n: c_float) -> c_float;
+ pub fn asin(n: c_double) -> c_double;
+ pub fn asinf(n: c_float) -> c_float;
+ pub fn atan(n: c_double) -> c_double;
+ pub fn atan2(a: c_double, b: c_double) -> c_double;
+ pub fn atan2f(a: c_float, b: c_float) -> c_float;
+ pub fn atanf(n: c_float) -> c_float;
+ 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 coshf(n: c_float) -> c_float;
+ 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;
+ pub fn hypot(x: c_double, y: c_double) -> c_double;
+ 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 sinhf(n: c_float) -> c_float;
+ pub fn tan(n: c_double) -> c_double;
+ pub fn tanf(n: c_float) -> c_float;
+ pub fn tanh(n: c_double) -> c_double;
+ pub fn tanhf(n: c_float) -> c_float;
+}
pub mod args;
#[cfg(feature = "backtrace")]
pub mod backtrace;
+pub mod cmath;
pub mod condvar;
pub mod env;
pub mod ext;
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![cfg(not(test))]
+
+use libc::{c_float, c_double};
+
+#[link_name = "m"]
+extern {
+ pub fn acos(n: c_double) -> c_double;
+ pub fn acosf(n: c_float) -> c_float;
+ pub fn asin(n: c_double) -> c_double;
+ pub fn asinf(n: c_float) -> c_float;
+ pub fn atan(n: c_double) -> c_double;
+ pub fn atan2(a: c_double, b: c_double) -> c_double;
+ pub fn atan2f(a: c_float, b: c_float) -> c_float;
+ pub fn atanf(n: c_float) -> c_float;
+ 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 coshf(n: c_float) -> c_float;
+ 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;
+ pub fn hypot(x: c_double, y: c_double) -> c_double;
+ 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 sinhf(n: c_float) -> c_float;
+ pub fn tan(n: c_double) -> c_double;
+ pub fn tanf(n: c_float) -> c_float;
+ pub fn tanh(n: c_double) -> c_double;
+ pub fn tanhf(n: c_float) -> c_float;
+}
pub mod android;
#[cfg(feature = "backtrace")]
pub mod backtrace;
+pub mod cmath;
pub mod condvar;
pub mod env;
pub mod ext;
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![cfg(not(test))]
+
+use libc::{c_float, c_double};
+
+#[link_name = "m"]
+extern {
+ 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 use self::shims::*;
+
+#[cfg(not(target_env = "msvc"))]
+mod shims {
+ use libc::c_float;
+
+ 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;
+ }
+}
+
+// On MSVC these functions aren't defined, so we just define shims which promote
+// everything fo f64, perform the calculation, and then demote back to f32.
+// While not precisely correct should be "correct enough" for now.
+#[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(feature = "backtrace")]
pub mod backtrace;
pub mod c;
+pub mod cmath;
pub mod condvar;
#[cfg(feature = "backtrace")]
pub mod dynamic_lib;