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8.29 BESSEL_Y0 — Bessel function of the second kind of order 0

Description:
BESSEL_Y0(X) computes the Bessel function of the second kind of order 0 of X. This function is available under the name BESY0 as a GNU extension.
Standard:
Fortran 2008 and later
Class:
Elemental function
Syntax:
RESULT = BESSEL_Y0(X)
Arguments:

X The type shall be REAL, and it shall be scalar.

Return value:
The return value is a scalar of type REAL. It has the same kind as X.
Example:
          program test_besy0
            real(8) :: x = 0.0_8
            x = bessel_y0(x)
          end program test_besy0
     

Specific names:

Name Argument Return type Standard
DBESY0(X)REAL(8) X REAL(8) GNU extension