use crate::error::AsynResult;
use crate::user::AsynUser;
/// 64-bit float I/O interface (asynFloat64 equivalent).
pub trait AsynFloat64: Send + Sync {
fn read_float64(&mut self, user: &AsynUser) -> AsynResult<f64>;
fn write_float64(&mut self, user: &mut AsynUser, value: f64) -> AsynResult<()>;
/// Driver-reported low/high bounds for this parameter. Mirrors
/// asyn upstream issue #218 — drivers that have a fixed range
/// (e.g. an ADC scale) advertise it through this hook so EPICS
/// records can populate DRVL/DRVH at init.
///
/// Default returns the full f64 range, which is the conservative
/// "no bounds known" answer — drivers override it.
fn get_limits(&self, _user: &AsynUser) -> AsynResult<(f64, f64)> {
Ok((f64::NEG_INFINITY, f64::INFINITY))
}
}