gsgl::math Namespace Reference

Classes
class	euler_solver
	Euler's method solver. More...
struct	info
class	julian_day
class	math_object
class	matrix
	A generic matrix class. More...
class	quaternion
	Quaternion class. More...
class	runge_kutta_solver
	The venerable Runge-Kutta solver. More...
class	solver
	Base class for numerical equation solvers, where the equation is x' = f(t, x). More...
class	transform
	A 4x4 matrix used in 3d coordinate system transformations. More...
class	vector
	A vector for storing homogenous coordinates. More...
Namespaces
namespace	matrix_utils
namespace	units
Functions
template<typename R>
R	clamp (const R &val, const R &min, const R &max)
vector	operator* (const vector &v, gsgl::real_t n)
	Multiplies a vector by a scalar.
vector	operator* (gsgl::real_t n, const vector &v)
	Multiplies a vector by a scalar.
vector	operator/ (const vector &v, gsgl::real_t n)
	Divides a vector by a scalar.
Variables
const double	DEG2RAD = M_PI / 180.0
const double	PI = M_PI
const double	PI_OVER_2 = M_PI * 0.5
const double	PI_TIMES_2 = M_PI * 2.0
const double	RAD2DEG = 180.0 / M_PI

---

Function Documentation

R gsgl::math::clamp	(	const R &	val,
		const R &	min,
		const R &	max
	)			[inline]

Definition at line 77 of file math.hpp.

Referenced by stellar_db::load_db().

vector gsgl::math::operator*	(	const vector &	v,
		gsgl::real_t	n
	)			[inline]

Multiplies a vector by a scalar.

Definition at line 123 of file vector.hpp.

References vector::get_x(), vector::get_y(), and vector::get_z().

Referenced by iterable::iterator::operator*(), iterable::const_iterator::operator*(), iterable::iterator::operator->(), and iterable::const_iterator::operator->().

vector gsgl::math::operator*	(	gsgl::real_t	n,
		const vector &	v
	)			[inline]

Multiplies a vector by a scalar.

Definition at line 116 of file vector.hpp.

References vector::get_x(), vector::get_y(), and vector::get_z().

vector gsgl::math::operator/	(	const vector &	v,
		gsgl::real_t	n
	)			[inline]

Divides a vector by a scalar.

Definition at line 130 of file vector.hpp.

---

Variable Documentation

MATH_API const double DEG2RAD = M_PI / 180.0

Definition at line 50 of file math.cpp.

Referenced by body_rotator::calc_angular_velocity_aux(), moon::calc_orientation(), major_planet_rotator::calc_orientation(), body_rotator::calc_orientation_aux(), jupiter_rotator::calc_orientation_pre(), mars_rotator::calc_orientation_pre(), coord_system::draw(), satellite_element_propagator::get_elements(), gsgl::scenegraph::utils::is_on_screen(), keplerian_element_propagator::keplerian_element_propagator(), stellar_db::load_db(), spherical_quadtree::node_radius(), gsgl::scenegraph::utils::pixel_size(), test_frame::recalc(), freeview::rot_absolute(), freeview::rot_relative(), spherical_clipmap::update(), satellite_element_propagator::update(), and keplerian_element_propagator::update().

MATH_API const double PI = M_PI

Definition at line 46 of file math.cpp.

Referenced by clipmap_ring::clipmap_ring(), simple_sphere::simple_sphere(), test_frame::update(), satellite_element_propagator::update(), and keplerian_element_propagator::update().

MATH_API const double PI_OVER_2 = M_PI * 0.5

Definition at line 48 of file math.cpp.

Referenced by body_rotator::calc_orientation_aux(), and simple_sphere::simple_sphere().

MATH_API const double PI_TIMES_2 = M_PI * 2.0

Definition at line 47 of file math.cpp.

Referenced by clipmap_ring::init(), and simple_sphere::simple_sphere().

MATH_API const double RAD2DEG = 180.0 / M_PI

Definition at line 51 of file math.cpp.