sgx_tstd/src/sys/cmath.rs

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// to you under the Apache License, Version 2.0 (the
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//   http://www.apache.org/licenses/LICENSE-2.0
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use sgx_libc::{c_float, c_double};

#[link(name = "sgx_tstdc")]
extern "C" {
    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;
}