Struct GPS 

pub struct GPS(/* private fields */);

GPS Time representation.

Wraps a JulianDate to provide type safety and GPS-specific operations. The inner Julian Date uses split storage (jd1 + jd2) to preserve precision.

Implementations

impl GPS

pub fn new(seconds: i64, nanos: u32) -> Self

Creates GPS time from Unix timestamp components.

Converts seconds and nanoseconds since Unix epoch (1970-01-01 00:00:00) to a Julian Date representation.

pub fn from_julian_date(jd: JulianDate) -> Self

Creates GPS time from a Julian Date.

pub fn from_julian_date_raw(jd1: f64, jd2: f64) -> Self

Creates GPS time from raw Julian Date components.

Prefer this over from_julian_date(JulianDate::new(...)) when you already have the split components, as it avoids intermediate allocations.

pub fn j2000() -> Self

Returns GPS time at J2000.0 epoch (2000-01-01 12:00:00 TT).

pub fn to_julian_date(&self) -> JulianDate

Returns the underlying Julian Date.

pub fn add_seconds(&self, seconds: f64) -> Self

Adds seconds to this GPS time, returning a new instance.

Precision is preserved by adding to the smaller-magnitude JD component.

pub fn add_days(&self, days: f64) -> Self

Adds days to this GPS time, returning a new instance.

Precision is preserved by adding to the smaller-magnitude JD component.

Trait Implementations

impl Clone for GPS

fn clone(&self) -> GPS

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for GPS

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for GPS

Formats as “GPS <julian_date>”.

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl From<JulianDate> for GPS

Converts a Julian Date to GPS time.

fn from(jd: JulianDate) -> Self

Converts to this type from the input type.

impl FromStr for GPS

Parses an ISO 8601 datetime string as GPS time.

The parsed time is interpreted directly as GPS (no leap second handling).

type Err = TimeError

The associated error which can be returned from parsing.

fn from_str(s: &str) -> TimeResult<Self>

Parses a string s to return a value of this type.

impl PartialEq for GPS

fn eq(&self, other: &GPS) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl ToGPS for GPS

Identity conversion for GPS.

fn to_gps(&self) -> TimeResult<GPS>

Returns self unchanged.

impl ToTAI for GPS

GPS to TAI conversion. Adds 19 seconds.

fn to_tai(&self) -> TimeResult<TAI>

Converts GPS time to TAI by adding the fixed 19-second offset.

The offset is added to the smaller-magnitude JD component to preserve precision.

impl Copy for GPS

impl StructuralPartialEq for GPS