GSLCompat.h File Reference

#include <cmath>
#include <limits>

Include dependency graph for GSLCompat.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Namespaces
namespace	gsl
	GSL-compatible math constants.

Macros
#define	GSL_REAL(z)   ((z).dat[0])
#define	GSL_IMAG(z)   ((z).dat[1])

Typedefs
typedef void(*	gsl_error_handler_t) (const char *reason, const char *file, int line, int gsl_errno)
	Signature of a GSL-style error handler callback.

Functions
gsl_error_handler_t	gsl_set_error_handler (gsl_error_handler_t handler)
	Set a global error handler and return the previous handler.
gsl_error_handler_t	gsl_set_error_handler_off ()
	Disable error handling and return a null handler.
double	gsl_sf_erf (double x)
	Error function \(\mathrm{erf}(x)\).
double	gsl_sf_pow_int (double x, int n)
	Integer power \(x^n\).
double	gsl_sf_gamma (double x)
	Gamma function \(\Gamma(x)\).
double	gsl_sf_fact (unsigned int n)
	Factorial \(n!\) (computed via \(\Gamma(n+1)\) for large \(n\)).
double	gsl_sf_choose (unsigned int n, unsigned int m)
	Binomial coefficient \(\binom{n}{m}\).
double	gsl_hypot (double x, double y)
	Hypotenuse \(\sqrt{x^2 + y^2}\) with overflow-safe std::hypot.

Variables
constexpr double	gsl::GSL_POSINF = std::numeric_limits<double>::infinity()
constexpr double	gsl::GSL_NEGINF = -std::numeric_limits<double>::infinity()
constexpr double	gsl::GSL_NAN = std::numeric_limits<double>::quiet_NaN()

Macro Definition Documentation

GSL_IMAG

#define GSL_IMAG

(

z

)

((z).dat[1])

Definition at line 118 of file GSLCompat.h.

GSL_REAL

#define GSL_REAL

(

z

)

((z).dat[0])

Definition at line 117 of file GSLCompat.h.

Typedef Documentation

gsl_error_handler_t

typedef void(* gsl_error_handler_t) (const char *reason, const char *file, int line, int gsl_errno)

Signature of a GSL-style error handler callback.

See also

Documentation on https://www.gnu.org/software/gsl/doc/html/err.html

Implementation on https://www.gnu.org/software/gsl/

Definition at line 27 of file GSLCompat.h.

Function Documentation

gsl_hypot()

double gsl_hypot ( double  x, double  y  )

inline

Hypotenuse \(\sqrt{x^2 + y^2}\) with overflow-safe std::hypot.

See also

https://www.gnu.org/software/gsl/doc/html/specfunc.html

Parameters

x	Input: first leg.
y	Input: second leg.

Returns

Output: \(\sqrt{x^2 + y^2}\).

Definition at line 114 of file GSLCompat.h.

Referenced by TEST_F().

gsl_set_error_handler()

gsl_error_handler_t gsl_set_error_handler ( gsl_error_handler_t  handler )

inline

Set a global error handler and return the previous handler.

Parameters

handler

Input: new error handler.

Returns

Output: previous handler (may be null).

Definition at line 32 of file GSLCompat.h.

Referenced by main(), and TEST_F().

gsl_set_error_handler_off()

gsl_error_handler_t gsl_set_error_handler_off ( )

inline

Disable error handling and return a null handler.

Returns

Output: null handler.

Definition at line 42 of file GSLCompat.h.

Referenced by TEST_F().

gsl_sf_choose()

double gsl_sf_choose ( unsigned int  n, unsigned int  m  )

inline

Binomial coefficient \(\binom{n}{m}\).

See also

https://www.gnu.org/software/gsl/doc/html/specfunc.html

Parameters

n	Input: total count.
m	Input: selected count.

Returns

Output: \(\binom{n}{m}\).

Definition at line 87 of file GSLCompat.h.

Referenced by TEST_F(), and TEST_F().

gsl_sf_erf()

double gsl_sf_erf ( double  x )

inline

Error function \(\mathrm{erf}(x)\).

Parameters

x	Input: argument.

Returns

Output: \(\mathrm{erf}(x)\).

Definition at line 50 of file GSLCompat.h.

Referenced by TEST_F().

gsl_sf_fact()

double gsl_sf_fact ( unsigned int  n )

inline

Factorial \(n!\) (computed via \(\Gamma(n+1)\) for large \(n\)).

See also

https://www.gnu.org/software/gsl/doc/html/specfunc.html

Parameters

n	Input: non-negative integer.

Returns

Output: \(n!\).

Definition at line 69 of file GSLCompat.h.

Referenced by interpolation::SquarePolynomialVector::Deriv(), interpolation::PPSolveFactory::getDerivPoints(), endfieldmodel::Enge::hN(), TEST_F(), and TEST_F().

gsl_sf_gamma()

double gsl_sf_gamma ( double  x )

inline

Gamma function \(\Gamma(x)\).

See also

https://www.gnu.org/software/gsl/doc/html/specfunc.html

Parameters

x	Input: argument.

Returns

Output: \(\Gamma(x)\).

Definition at line 63 of file GSLCompat.h.

Referenced by TEST_F().

gsl_sf_pow_int()

double gsl_sf_pow_int ( double  x, int  n  )

inline

Integer power \(x^n\).

See also

https://www.gnu.org/software/gsl/doc/html/specfunc.html

Parameters

x	Input: base.
n	Input: integer exponent.

Returns

Output: \(x^n\).

Definition at line 57 of file GSLCompat.h.

Referenced by interpolation::PPSolveFactory::getDerivPoints(), endfieldmodel::Enge::getEnge(), endfieldmodel::Tanh::getNegTanh(), endfieldmodel::Tanh::getTanh(), endfieldmodel::Enge::gN(), endfieldmodel::Enge::hN(), interpolation::SolveFactory::MakeSquareDerivVector(), interpolation::SolveFactory::MakeSquareVector(), and TEST_F().