src/libstd/sys/redox/cmath.rs

// 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;
}