Inheritance diagram for geographiclib.geomath.Math:

[legend]

Public Member Functions
def	AngDiff (x, y)

def	AngNormalize (x)

def	AngRound (x)

def	atan2d (y, x)

def	atanh (x)

def	cbrt (x)

def	copysign (x, y)

def	isfinite (x)

def	isnan (x)

def	LatFix (x)

def	log1p (x)

def	norm (x, y)

def	polyval (N, p, s, x)

def	sincosd (x)

def	sq (x)

def	sum (u, v)

Public Member Functions inherited from object
template<typename T >
T	cast () &&

template<typename T >
T	cast () const &

template<>
void	cast () const &

	object ()=default

	object (const object &o)
	Copy constructor; always increases the reference count. More...

	object (handle h, borrowed_t)

	object (handle h, stolen_t)

	object (object &&other) noexcept
	Move constructor; steals the object from `other` and preserves its reference count. More...

object &	operator= (const object &other)

object &	operator= (object &&other) noexcept

	PYBIND11_DEPRECATED ("Use reinterpret_borrow<object>() or reinterpret_steal<object>()") object(handle h

handle	release ()

	~object ()
	Destructor; automatically calls `handle::dec_ref()` More...

Public Member Functions inherited from handle
template<typename T >
T	cast () const

template<>
void	cast () const

bool	check () const

const handle &	dec_ref () const &

	handle ()=default
	The default constructor creates a handle with a `nullptr`-valued pointer. More...

template<typename T , detail::enable_if_t< detail::all_of< detail::none_of< std::is_base_of< handle, T >, detail::is_pyobj_ptr_or_nullptr_t< T >>, std::is_convertible< T, PyObject * >>::value, int > = 0>
	handle (T &obj)
	Enable implicit conversion through `T::operator PyObject *()`. More...

template<typename T , detail::enable_if_t< detail::is_pyobj_ptr_or_nullptr_t< T >::value, int > = 0>
	handle (T ptr)

const handle &	inc_ref () const &

	operator bool () const
	Return `true` when the `handle` wraps a valid Python object. More...

bool	operator!= (const handle &h) const

bool	operator== (const handle &h) const

PyObject *&	ptr ()

PyObject *	ptr () const
	Return the underlying `PyObject *` pointer. More...

Static Public Attributes
	AngDiff = staticmethod(AngDiff)

	AngNormalize = staticmethod(AngNormalize)

	AngRound = staticmethod(AngRound)

	atan2d = staticmethod(atan2d)

	atanh = staticmethod(atanh)

	cbrt = staticmethod(cbrt)

	copysign = staticmethod(copysign)

int	digits = 53

	epsilon = math.pow(2.0, 1-digits)

int	inf = float("inf") if sys.version_info > (2, 6) else 2 * maxval

	isfinite = staticmethod(isfinite)

	isnan = staticmethod(isnan)

	LatFix = staticmethod(LatFix)

	log1p = staticmethod(log1p)

	maxval = math.pow(2.0, 1023) * (2 - epsilon)

	minval = math.pow(2.0, -1022)

int	nan = float("nan") if sys.version_info > (2, 6) else inf - inf

	norm = staticmethod(norm)

	polyval = staticmethod(polyval)

	sincosd = staticmethod(sincosd)

	sq = staticmethod(sq)

	sum = staticmethod(sum)

Additional Inherited Members
Static Public Member Functions inherited from handle
static std::size_t	inc_ref_counter ()

Public Attributes inherited from object
bool	is_borrowed: handle(h) { if (is_borrowed) { inc_ref()

Protected Attributes inherited from handle
PyObject *	m_ptr = nullptr

Detailed Description

Additional math routines for GeographicLib.

This defines constants:
  epsilon, difference between 1 and the next bigger number
  digits, the number of digits in the fraction of a real number
  minval, minimum normalized positive number
  maxval, maximum finite number
  nan, not a number
  inf, infinity

Definition at line 17 of file geomath.py.

Member Function Documentation

◆ AngDiff()

def geographiclib.geomath.Math.AngDiff	(	x,
		y
	)

compute y - x and reduce to [-180,180] accurately

Definition at line 147 of file geomath.py.

◆ AngNormalize()

def geographiclib.geomath.Math.AngNormalize ( x )

reduce angle to (-180,180]

Definition at line 129 of file geomath.py.

◆ AngRound()

def geographiclib.geomath.Math.AngRound ( x )

Private: Round an angle so that small values underflow to zero.

Definition at line 115 of file geomath.py.

◆ atan2d()

def geographiclib.geomath.Math.atan2d	(	y,
		x
	)

compute atan2(y, x) with the result in degrees

Definition at line 177 of file geomath.py.

◆ atanh()

def geographiclib.geomath.Math.atanh ( x )

atanh(x) (missing from python 2.5.2)

Definition at line 65 of file geomath.py.

◆ cbrt()

def geographiclib.geomath.Math.cbrt ( x )

Real cube root of a number

Definition at line 43 of file geomath.py.

◆ copysign()

def geographiclib.geomath.Math.copysign	(	x,
		y
	)

return x with the sign of y (missing from python 2.5.2)

Definition at line 76 of file geomath.py.

◆ isfinite()

def geographiclib.geomath.Math.isfinite ( x )

Test for finiteness

Definition at line 196 of file geomath.py.

◆ isnan()

def geographiclib.geomath.Math.isnan ( x )

Test if nan

Definition at line 202 of file geomath.py.

◆ LatFix()

def geographiclib.geomath.Math.LatFix ( x )

replace angles outside [-90,90] by NaN

Definition at line 141 of file geomath.py.

◆ log1p()

def geographiclib.geomath.Math.log1p ( x )

log(1 + x) accurate for small x (missing from python 2.5.2)

Definition at line 50 of file geomath.py.

◆ norm()

def geographiclib.geomath.Math.norm	(	x,
		y
	)

Private: Normalize a two-vector.

Definition at line 85 of file geomath.py.

◆ polyval()

def geographiclib.geomath.Math.polyval	(	N,
		p,
		s,
		x
	)

Evaluate a polynomial.

Definition at line 106 of file geomath.py.

◆ sincosd()

def geographiclib.geomath.Math.sincosd ( x )

Compute sine and cosine of x in degrees.

Definition at line 155 of file geomath.py.

◆ sq()

def geographiclib.geomath.Math.sq ( x )

Square a number

Definition at line 37 of file geomath.py.

◆ sum()

def geographiclib.geomath.Math.sum	(	u,
		v
	)

Error free transformation of a sum.

Definition at line 91 of file geomath.py.

Member Data Documentation

◆ AngDiff

geographiclib.geomath.Math.AngDiff = staticmethod(AngDiff)

static

Definition at line 153 of file geomath.py.

◆ AngNormalize

geographiclib.geomath.Math.AngNormalize = staticmethod(AngNormalize)

static

Definition at line 139 of file geomath.py.

◆ AngRound

geographiclib.geomath.Math.AngRound = staticmethod(AngRound)

static

Definition at line 127 of file geomath.py.

◆ atan2d

geographiclib.geomath.Math.atan2d = staticmethod(atan2d)

static

Definition at line 194 of file geomath.py.

◆ atanh

geographiclib.geomath.Math.atanh = staticmethod(atanh)

static

Definition at line 74 of file geomath.py.

◆ cbrt

geographiclib.geomath.Math.cbrt = staticmethod(cbrt)

static

Definition at line 48 of file geomath.py.

◆ copysign

geographiclib.geomath.Math.copysign = staticmethod(copysign)

static

Definition at line 83 of file geomath.py.

◆ digits

int geographiclib.geomath.Math.digits = 53

static

Definition at line 30 of file geomath.py.

◆ epsilon

geographiclib.geomath.Math.epsilon = math.pow(2.0, 1-digits)

static

Definition at line 31 of file geomath.py.

◆ inf

int geographiclib.geomath.Math.inf = float("inf") if sys.version_info > (2, 6) else 2 * maxval

static

Definition at line 34 of file geomath.py.

◆ isfinite

geographiclib.geomath.Math.isfinite = staticmethod(isfinite)

static

Definition at line 200 of file geomath.py.

◆ isnan

geographiclib.geomath.Math.isnan = staticmethod(isnan)

static

Definition at line 206 of file geomath.py.

◆ LatFix

geographiclib.geomath.Math.LatFix = staticmethod(LatFix)

static

Definition at line 145 of file geomath.py.

◆ log1p

geographiclib.geomath.Math.log1p = staticmethod(log1p)

static

Definition at line 63 of file geomath.py.

◆ maxval

geographiclib.geomath.Math.maxval = math.pow(2.0, 1023) * (2 - epsilon)

static

Definition at line 33 of file geomath.py.

◆ minval

geographiclib.geomath.Math.minval = math.pow(2.0, -1022)

static

Definition at line 32 of file geomath.py.

◆ nan

int geographiclib.geomath.Math.nan = float("nan") if sys.version_info > (2, 6) else inf - inf

static

Definition at line 35 of file geomath.py.

◆ norm

geographiclib.geomath.Math.norm = staticmethod(norm)

static

Definition at line 89 of file geomath.py.

◆ polyval

geographiclib.geomath.Math.polyval = staticmethod(polyval)

static

Definition at line 113 of file geomath.py.

◆ sincosd

geographiclib.geomath.Math.sincosd = staticmethod(sincosd)

static

Definition at line 175 of file geomath.py.

◆ sq

geographiclib.geomath.Math.sq = staticmethod(sq)

static

Definition at line 41 of file geomath.py.

◆ sum

geographiclib.geomath.Math.sum = staticmethod(sum)

static

Definition at line 104 of file geomath.py.

The documentation for this class was generated from the following file:

geomath.py

Public Member Functions

Static Public Attributes

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ AngDiff()

◆ AngNormalize()

◆ AngRound()

◆ atan2d()

◆ atanh()

◆ cbrt()

◆ copysign()

◆ isfinite()

◆ isnan()

◆ LatFix()

◆ log1p()

◆ norm()

◆ polyval()

◆ sincosd()

◆ sq()

◆ sum()

Member Data Documentation

◆ AngDiff

◆ AngNormalize

◆ AngRound

◆ atan2d

◆ atanh

◆ cbrt

◆ copysign

◆ digits

◆ epsilon

◆ inf

◆ isfinite

◆ isnan

◆ LatFix

◆ log1p

◆ maxval

◆ minval

◆ nan

◆ norm

◆ polyval

◆ sincosd

◆ sq

◆ sum