module math fn C.log(x f64) f64 fn C.logf(x f32) f32 // log returns the natural logarithm of x (float64) [inline] pub fn log(a f64) f64 { return C.log(a) } // log returns the natural logarithm of x (float32) [inline] pub fn logf(a f32) f32 { return C.logf(a) }