class Time

GPS time container class.

Inheritance:

Public Methods

	Time (void) Default constructor
explicit	Time (ulong_t sec, ulong_t nsec=0) Constructor from seconds and nanoseconds.
	Time (const Time& t) Copy constructor
Time&	operator= (const Time&) Assignment operator
Time&	operator+= (const Interval& dt) Add an Interval to a Time.
Interval	operator - (const Time& dt) const Subtract a Time rhs.
Time&	operator-= (const Interval& dt) Subtract a constant rhs
bool	operator! (void) const Compare to zero
bool	operator== (const Time& rhs) const Compare times (equality)
bool	operator!= (const Time& rhs) const Compare times (inequality)
bool	operator>= (const Time& rhs) const Compare times (Greater or Equal)
bool	operator<= (const Time& rhs) const Compare times (Less or equal)
bool	operator> (const Time& rhs) const Compare times (Greater)
bool	operator< (const Time& rhs) const Compare times (Less than)
ulong_t	getS (void) const Number of nanoseconds.
ulong_t	getN (void) const Number of nanoseconds.
double	totalS (void) const GPS seconds since t0.
double	totalNS (void) const GPS nanoseconds since t0.
double	fracS (void) const Get the fractional seconds.
void	setS (ulong_t s) set seconds field.
void	setN (ulong_t n) Set nanosecon field.

Time(void)

A Time instance is created with no initialization performed.

explicit Time(ulong_t sec, ulong_t nsec=0)

GPS time is constructed from seconds and nanoseconds. If the nanosecond field isn't specified, it is assumed to be zero.

Parameters:

sec - Number of GPS seconds since midnight, Jan 6, 1980.
nsec - Number of nanoseconds since last GPS second.

Time(const Time& t)

Copy constructor

Time& operator=(const Time&)

Assignment operator

Time& operator+=(const Interval& dt)

Add an Interval to a Time.

Interval operator -(const Time& dt) const

Subtract a Time rhs.

Time& operator-=(const Interval& dt)

Subtract a constant rhs

bool operator!(void) const

Compare to zero

bool operator==(const Time& rhs) const

Compare times (equality)

bool operator!=(const Time& rhs) const

Compare times (inequality)

bool operator>=(const Time& rhs) const

Compare times (Greater or Equal)

bool operator<=(const Time& rhs) const

Compare times (Less or equal)

bool operator>(const Time& rhs) const

Compare times (Greater)

bool operator<(const Time& rhs) const

Compare times (Less than)

ulong_t getS(void) const

Get the GPS second boundary.

Returns:

Then number of nanoseconds since a GPS secon.

ulong_t getN(void) const

Get the number of nanoseconds since a GPS second boundary.

Returns:

Then number of nanoseconds since a GPS secon.

double totalS(void) const

Get the GPS time in seconds since t0.

Returns:

The number of GPS seconds.

double totalNS(void) const

Get the GPS time in nanoseconds since t0.

Returns:

The number of GPS nanoseconds.

double fracS(void) const

Get the fraction of a second after an integer number of GPS seconds.

void setS(ulong_t s)

Set the number of seconds past the start of the second GPS epoch.

void setN(ulong_t n)

Set the number of nanoseconds offset from the seconds field.

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Please send questions and comments to zweizig_j@ligo.caltech.edu

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