Function gstreamer_sys::gst_calculate_linear_regression

pub unsafe extern "C" fn gst_calculate_linear_regression(
    xy: *const GstClockTime, 
    temp: *mut GstClockTime, 
    n: c_uint, 
    m_num: *mut GstClockTime, 
    m_denom: *mut GstClockTime, 
    b: *mut GstClockTime, 
    xbase: *mut GstClockTime, 
    r_squared: *mut c_double
) -> gboolean

This is supported on crate feature v1_12 only.