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6.26 BESJN — Bessel function of the first kind

Description:
BESJN(N, X) computes the Bessel function of the first kind of order N of X.
Standard:
GNU extension
Class:
Elemental function
Syntax:
RESULT = BESJN(N, X)
Arguments:

N The type shall be INTEGER(*), and it shall be scalar.
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_besjn
            real(8) :: x = 1.0_8
            x = besjn(5,x)
          end program test_besjn
     

Specific names:

Name Argument Return type Standard
DBESJN(X) INTEGER(*) N REAL(8) GNU extension
REAL(8) X