7.21 BESY0 — Bessel function of the second kind of order 0

Description:

BESY0(X) computes the Bessel function of the second kind of order 0 of X.

Option:

gnu

Class:

elemental function

Syntax:

X = BESY0(X)

Arguments:

X	The type shall be REAL(*), and it shall be scalar.

Return value:

The return value is a scalar of type REAL(*).

Example:

          program test_besy0
            real(8) :: x = 0.0_8
            x = besy0(x)
          end program test_besy0
     

Specific names:

Name	Argument	Return type	Option
DBESY0(X)	REAL(8) X	REAL(8)	gnu