WSJT-X/boost/libs/math/doc/tr1/tr1_ref.qbk

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[section:tr1_ref TR1 C Functions Quick Reference]
[h4 Supported TR1 Functions]
namespace boost{ namespace math{ namespace tr1{ extern "C"{
// [5.2.1.1] associated Laguerre polynomials:
double assoc_laguerre(unsigned n, unsigned m, double x);
float assoc_laguerref(unsigned n, unsigned m, float x);
long double assoc_laguerrel(unsigned n, unsigned m, long double x);
// [5.2.1.2] associated Legendre functions:
double assoc_legendre(unsigned l, unsigned m, double x);
float assoc_legendref(unsigned l, unsigned m, float x);
long double assoc_legendrel(unsigned l, unsigned m, long double x);
// [5.2.1.3] beta function:
double beta(double x, double y);
float betaf(float x, float y);
long double betal(long double x, long double y);
// [5.2.1.4] (complete) elliptic integral of the first kind:
double comp_ellint_1(double k);
float comp_ellint_1f(float k);
long double comp_ellint_1l(long double k);
// [5.2.1.5] (complete) elliptic integral of the second kind:
double comp_ellint_2(double k);
float comp_ellint_2f(float k);
long double comp_ellint_2l(long double k);
// [5.2.1.6] (complete) elliptic integral of the third kind:
double comp_ellint_3(double k, double nu);
float comp_ellint_3f(float k, float nu);
long double comp_ellint_3l(long double k, long double nu);
// [5.2.1.8] regular modified cylindrical Bessel functions:
double cyl_bessel_i(double nu, double x);
float cyl_bessel_if(float nu, float x);
long double cyl_bessel_il(long double nu, long double x);
// [5.2.1.9] cylindrical Bessel functions (of the first kind):
double cyl_bessel_j(double nu, double x);
float cyl_bessel_jf(float nu, float x);
long double cyl_bessel_jl(long double nu, long double x);
// [5.2.1.10] irregular modified cylindrical Bessel functions:
double cyl_bessel_k(double nu, double x);
float cyl_bessel_kf(float nu, float x);
long double cyl_bessel_kl(long double nu, long double x);
// [5.2.1.11] cylindrical Neumann functions;
// cylindrical Bessel functions (of the second kind):
double cyl_neumann(double nu, double x);
float cyl_neumannf(float nu, float x);
long double cyl_neumannl(long double nu, long double x);
// [5.2.1.12] (incomplete) elliptic integral of the first kind:
double ellint_1(double k, double phi);
float ellint_1f(float k, float phi);
long double ellint_1l(long double k, long double phi);
// [5.2.1.13] (incomplete) elliptic integral of the second kind:
double ellint_2(double k, double phi);
float ellint_2f(float k, float phi);
long double ellint_2l(long double k, long double phi);
// [5.2.1.14] (incomplete) elliptic integral of the third kind:
double ellint_3(double k, double nu, double phi);
float ellint_3f(float k, float nu, float phi);
long double ellint_3l(long double k, long double nu, long double phi);
// [5.2.1.15] exponential integral:
double expint(double x);
float expintf(float x);
long double expintl(long double x);
// [5.2.1.16] Hermite polynomials:
double hermite(unsigned n, double x);
float hermitef(unsigned n, float x);
long double hermitel(unsigned n, long double x);
// [5.2.1.18] Laguerre polynomials:
double laguerre(unsigned n, double x);
float laguerref(unsigned n, float x);
long double laguerrel(unsigned n, long double x);
// [5.2.1.19] Legendre polynomials:
double legendre(unsigned l, double x);
float legendref(unsigned l, float x);
long double legendrel(unsigned l, long double x);
// [5.2.1.20] Riemann zeta function:
double riemann_zeta(double);
float riemann_zetaf(float);
long double riemann_zetal(long double);
// [5.2.1.21] spherical Bessel functions (of the first kind):
double sph_bessel(unsigned n, double x);
float sph_besself(unsigned n, float x);
long double sph_bessell(unsigned n, long double x);
// [5.2.1.22] spherical associated Legendre functions:
double sph_legendre(unsigned l, unsigned m, double theta);
float sph_legendref(unsigned l, unsigned m, float theta);
long double sph_legendrel(unsigned l, unsigned m, long double theta);
// [5.2.1.23] spherical Neumann functions;
// spherical Bessel functions (of the second kind):
double sph_neumann(unsigned n, double x);
float sph_neumannf(unsigned n, float x);
long double sph_neumannl(unsigned n, long double x);
}}}} // namespaces
In addition sufficient additional overloads of the `double` versions of the
above functions are provided, so that calling the function with any mixture
of `float`, `double`, `long double`, or /integer/ arguments is supported, with the
return type determined by the __arg_promotion_rules.
For example:
expintf(2.0f); // float version, returns float.
expint(2.0f); // also calls the float version and returns float.
expint(2.0); // double version, returns double.
expintl(2.0L); // long double version, returns a long double.
expint(2.0L); // also calls the long double version.
expint(2); // integer argument is treated as a double, returns double.
[h4 Quick Reference]
// [5.2.1.1] associated Laguerre polynomials:
double assoc_laguerre(unsigned n, unsigned m, double x);
float assoc_laguerref(unsigned n, unsigned m, float x);
long double assoc_laguerrel(unsigned n, unsigned m, long double x);
The assoc_laguerre functions return:
[equation laguerre_1]
See also __laguerre for the full template (header only) version of this function.
// [5.2.1.2] associated Legendre functions:
double assoc_legendre(unsigned l, unsigned m, double x);
float assoc_legendref(unsigned l, unsigned m, float x);
long double assoc_legendrel(unsigned l, unsigned m, long double x);
The assoc_legendre functions return:
[equation legendre_1b]
See also __legendre for the full template (header only) version of this function.
// [5.2.1.3] beta function:
double beta(double x, double y);
float betaf(float x, float y);
long double betal(long double x, long double y);
Returns the beta function of /x/ and /y/:
[equation beta1]
See also __beta for the full template (header only) version of this function.
// [5.2.1.4] (complete) elliptic integral of the first kind:
double comp_ellint_1(double k);
float comp_ellint_1f(float k);
long double comp_ellint_1l(long double k);
Returns the complete elliptic integral of the first kind of /k/:
[equation ellint6]
See also __ellint_1 for the full template (header only) version of this function.
// [5.2.1.5] (complete) elliptic integral of the second kind:
double comp_ellint_2(double k);
float comp_ellint_2f(float k);
long double comp_ellint_2l(long double k);
Returns the complete elliptic integral of the second kind of /k/:
[equation ellint7]
See also __ellint_2 for the full template (header only) version of this function.
// [5.2.1.6] (complete) elliptic integral of the third kind:
double comp_ellint_3(double k, double nu);
float comp_ellint_3f(float k, float nu);
long double comp_ellint_3l(long double k, long double nu);
Returns the complete elliptic integral of the third kind of /k/ and /nu/:
[equation ellint8]
See also __ellint_3 for the full template (header only) version of this function.
// [5.2.1.8] regular modified cylindrical Bessel functions:
double cyl_bessel_i(double nu, double x);
float cyl_bessel_if(float nu, float x);
long double cyl_bessel_il(long double nu, long double x);
Returns the modified bessel function of the first kind of /nu/ and /x/:
[equation mbessel2]
See also __cyl_bessel_i for the full template (header only) version of this function.
// [5.2.1.9] cylindrical Bessel functions (of the first kind):
double cyl_bessel_j(double nu, double x);
float cyl_bessel_jf(float nu, float x);
long double cyl_bessel_jl(long double nu, long double x);
Returns the bessel function of the first kind of /nu/ and /x/:
[equation bessel2]
See also __cyl_bessel_j for the full template (header only) version of this function.
// [5.2.1.10] irregular modified cylindrical Bessel functions:
double cyl_bessel_k(double nu, double x);
float cyl_bessel_kf(float nu, float x);
long double cyl_bessel_kl(long double nu, long double x);
Returns the modified bessel function of the second kind of /nu/ and /x/:
[equation mbessel3]
See also __cyl_bessel_k for the full template (header only) version of this function.
// [5.2.1.11] cylindrical Neumann functions;
// cylindrical Bessel functions (of the second kind):
double cyl_neumann(double nu, double x);
float cyl_neumannf(float nu, float x);
long double cyl_neumannl(long double nu, long double x);
Returns the bessel function of the second kind (Neumann function) of /nu/ and /x/:
[equation bessel3]
See also __cyl_neumann for the full template (header only) version of this function.
// [5.2.1.12] (incomplete) elliptic integral of the first kind:
double ellint_1(double k, double phi);
float ellint_1f(float k, float phi);
long double ellint_1l(long double k, long double phi);
Returns the incomplete elliptic integral of the first kind of /k/ and /phi/:
[equation ellint2]
See also __ellint_1 for the full template (header only) version of this function.
// [5.2.1.13] (incomplete) elliptic integral of the second kind:
double ellint_2(double k, double phi);
float ellint_2f(float k, float phi);
long double ellint_2l(long double k, long double phi);
Returns the incomplete elliptic integral of the second kind of /k/ and /phi/:
[equation ellint3]
See also __ellint_2 for the full template (header only) version of this function.
// [5.2.1.14] (incomplete) elliptic integral of the third kind:
double ellint_3(double k, double nu, double phi);
float ellint_3f(float k, float nu, float phi);
long double ellint_3l(long double k, long double nu, long double phi);
Returns the incomplete elliptic integral of the third kind of /k/, /nu/ and /phi/:
[equation ellint4]
See also __ellint_3 for the full template (header only) version of this function.
// [5.2.1.15] exponential integral:
double expint(double x);
float expintf(float x);
long double expintl(long double x);
Returns the exponential integral Ei of /x/:
[equation expint_i_1]
See also __expint for the full template (header only) version of this function.
// [5.2.1.16] Hermite polynomials:
double hermite(unsigned n, double x);
float hermitef(unsigned n, float x);
long double hermitel(unsigned n, long double x);
Returns the n'th Hermite polynomial of /x/:
[equation hermite_0]
See also __hermite for the full template (header only) version of this function.
// [5.2.1.18] Laguerre polynomials:
double laguerre(unsigned n, double x);
float laguerref(unsigned n, float x);
long double laguerrel(unsigned n, long double x);
Returns the n'th Laguerre polynomial of /x/:
[equation laguerre_0]
See also __laguerre for the full template (header only) version of this function.
// [5.2.1.19] Legendre polynomials:
double legendre(unsigned l, double x);
float legendref(unsigned l, float x);
long double legendrel(unsigned l, long double x);
Returns the l'th Legendre polynomial of /x/:
[equation legendre_0]
See also __legendre for the full template (header only) version of this function.
// [5.2.1.20] Riemann zeta function:
double riemann_zeta(double);
float riemann_zetaf(float);
long double riemann_zetal(long double);
Returns the Riemann Zeta function of /x/:
[equation zeta1]
See also __zeta for the full template (header only) version of this function.
// [5.2.1.21] spherical Bessel functions (of the first kind):
double sph_bessel(unsigned n, double x);
float sph_besself(unsigned n, float x);
long double sph_bessell(unsigned n, long double x);
Returns the spherical Bessel function of the first kind of /x/ j[sub n](x):
[equation sbessel2]
See also __sph_bessel for the full template (header only) version of this function.
// [5.2.1.22] spherical associated Legendre functions:
double sph_legendre(unsigned l, unsigned m, double theta);
float sph_legendref(unsigned l, unsigned m, float theta);
long double sph_legendrel(unsigned l, unsigned m, long double theta);
Returns the spherical associated Legendre function of /l/, /m/ and /theta/:
[equation spherical_3]
See also __spherical_harmonic for the full template (header only) version of this function.
// [5.2.1.23] spherical Neumann functions;
// spherical Bessel functions (of the second kind):
double sph_neumann(unsigned n, double x);
float sph_neumannf(unsigned n, float x);
long double sph_neumannl(unsigned n, long double x);
Returns the spherical Neumann function of /x/ y[sub n](x):
[equation sbessel2]
See also __sph_bessel for the full template (header only) version of this function.
[h4 Currently Unsupported TR1 Functions]
// [5.2.1.7] confluent hypergeometric functions:
double conf_hyperg(double a, double c, double x);
float conf_hypergf(float a, float c, float x);
long double conf_hypergl(long double a, long double c, long double x);
// [5.2.1.17] hypergeometric functions:
double hyperg(double a, double b, double c, double x);
float hypergf(float a, float b, float c, float x);
long double hypergl(long double a, long double b, long double c,
long double x);
[note These two functions are not implemented as they are not believed
to be numerically stable.]
[endsect]
[/
Copyright 2008, 2009 John Maddock and Paul A. Bristow.
Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENSE_1_0.txt or copy at
http://www.boost.org/LICENSE_1_0.txt).
]