use std::mem::zeroed;
use enums;
use ffi;
pub fn log(x: f64) -> f64 {
unsafe { ffi::gsl_sf_log(x) }
}
pub fn log_e(x: f64) -> (enums::Value, ::types::Result) {
let mut result = unsafe { zeroed::<ffi::gsl_sf_result>() };
let ret = unsafe { ffi::gsl_sf_log_e(x, &mut result) };
(ret, ::types::Result{val: result.val, err: result.err})
}
pub fn log_abs(x: f64) -> f64 {
unsafe { ffi::gsl_sf_log_abs(x) }
}
pub fn log_abs_e(x: f64) -> (enums::Value, ::types::Result) {
let mut result = unsafe { zeroed::<ffi::gsl_sf_result>() };
let ret = unsafe { ffi::gsl_sf_log_abs_e(x, &mut result) };
(ret, ::types::Result{val: result.val, err: result.err})
}
pub fn complex_log_e(zr: f64, zi: f64) -> (enums::Value, ::types::Result, ::types::Result) {
let mut lnr = unsafe { zeroed::<ffi::gsl_sf_result>() };
let mut theta = unsafe { zeroed::<ffi::gsl_sf_result>() };
let ret = unsafe { ffi::gsl_sf_complex_log_e(zr, zi, &mut lnr, &mut theta) };
(ret, ::types::Result{val: lnr.val, err: lnr.err}, ::types::Result{val: theta.val, err: theta.err})
}
pub fn log_1plusx(x: f64) -> f64 {
unsafe { ffi::gsl_sf_log_1plusx(x) }
}
pub fn log_1plusx_e(x: f64) -> (enums::Value, ::types::Result) {
let mut result = unsafe { zeroed::<ffi::gsl_sf_result>() };
let ret = unsafe { ffi::gsl_sf_log_1plusx_e(x, &mut result) };
(ret, ::types::Result{val: result.val, err: result.err})
}
pub fn log_1plusx_mx(x: f64) -> f64 {
unsafe { ffi::gsl_sf_log_1plusx_mx(x) }
}
pub fn log_1plusx_mx_e(x: f64) -> (enums::Value, ::types::Result) {
let mut result = unsafe { zeroed::<ffi::gsl_sf_result>() };
let ret = unsafe { ffi::gsl_sf_log_1plusx_mx_e(x, &mut result) };
(ret, ::types::Result{val: result.val, err: result.err})
}