Detailed Description

Adapted from the GSL version by J.-F. Caron which was based on Steffen90 .

Definition at line 1136 of file interp.h.

Public Types
typedef boost::numeric::ublas::vector< double >	ubvector

typedef boost::numeric::ublas::vector_slice< ubvector >	ubvector_slice

typedef boost::numeric::ublas::vector_range< ubvector >	ubvector_range

typedef boost::numeric::ublas::slice	slice

typedef boost::numeric::ublas::range	range

Storage for cubic spline interpolation
ubvector	a

ubvector	b

ubvector	c

ubvector	d

ubvector	y_prime

double	copysign (const double x, const double y)
	Flip the sign of x if x and y have different signs.

	interp_steffen ()
	Create a base interpolation object.

virtual	~interp_steffen ()

virtual void	set (size_t size, const vec_t &xa, const vec2_t &ya)
	Initialize interpolation routine.

virtual double	eval (double x0) const
	Give the value of the function .

virtual double	deriv (double x0) const
	Give the value of the derivative $y^{\prime}(x=x_0)$ .

virtual double	deriv2 (double x0) const
	Give the value of the second derivative $y^{\prime \prime}(x=x_0)$ .

virtual double	integ (double al, double bl) const
	Give the value of the integral $\int_a^{b}y(x)~dx$ .

virtual const char *	type () const
	Return the type, `"interp_steffen"`.

	interp_steffen (const interp_steffen< vec_t, vec2_t > &)

interp_steffen< vec_t, vec2_t > &	operator= (const interp_steffen< vec_t, vec2_t > &)

Additional Inherited Members
Public Member Functions inherited from o2scl::interp_base< vec_t, vec_t >
virtual void	set (size_t size, const vec_t &x, const vec_t &y)=0
	Initialize interpolation routine.

virtual double	operator() (double x0) const
	Give the value of the function .

virtual const char *	type () const=0
	Return the type.

Public Attributes inherited from o2scl::interp_base< vec_t, vec_t >
size_t	min_size
	The minimum size of the vectors to interpolate between. More...

Protected Member Functions inherited from o2scl::interp_base< vec_t, vec_t >
double	integ_eval (double ai, double bi, double ci, double di, double xi, double a, double b) const
	An internal function to assist in computing the integral for both the cspline and Akima types.

Protected Attributes inherited from o2scl::interp_base< vec_t, vec_t >
search_vec< const vec_t >	svx
	To perform binary searches. More...

const vec_t *	px
	Independent vector.

const vec_t *	py
	Dependent vector.

size_t	sz
	Vector size.

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

Public Types