Function pamoja_kalman_estimate 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn pamoja_kalman_estimate(
    kalman: *const PamojaKalman,
) -> f32

Reads a Kalman filter’s current estimate without folding in a reading.

Returns

The current estimate, or NaN if kalman is null.

Safety

kalman must be a live handle from pamoja_kalman_new, or null.