std::beta, std::betaf, std::betal
From cppreference.com
< cpp | numeric | special functions
| Defined in header <cmath>
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| (1) | ||
float beta ( float x, float y ); double beta ( double x, double y ); |
(since C++17) (until C++23) |
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| /* floating-point-type */ beta( /* floating-point-type */ x, /* floating-point-type */ y ); |
(since C++23) | |
| float betaf( float x, float y ); |
(2) | (since C++17) |
| long double betal( long double x, long double y ); |
(3) | (since C++17) |
| Defined in header <cmath>
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| template< class Arithmetic1, class Arithmetic2 > /* common-floating-point-type */ beta( Arithmetic1 x, Arithmetic2 y ); |
(A) | (since C++17) |
1-3) Computes the Beta function of x and y. The library provides overloads of
std::beta for all cv-unqualified floating-point types as the type of the parameters x and y.(since C++23)A) Additional overloads are provided for all other combinations of arithmetic types.
Contents |
[edit] Parameters
| x, y | - | floating-point or integer values |
[edit] Return value
If no errors occur, value of the beta function of x and y, that is ∫10tx-1
(1-t)(y-1)
dt, or, equivalently,
| Γ(x)Γ(y) |
| Γ(x+y) |