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#![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;
}