maths::i1 Interface Reference

Calculates the modified Bessel function of the first kind of order 1 using the approximation of Abromowitz and Stegun. More...

Private Member Functions
pure real(dp) function	i1dp (x)
	Calculates the modified Bessel function of the first kind of order 1 using the approximation of Abromowitz and Stegun, for a double precision argument. More...
pure real(sp) function	i1sp (x)
	Calculates the modified Bessel function of the first kind of order 1 using the approximation of Abromowitz and Stegun, for a single precision argument. More...

Detailed Description

Calculates the modified Bessel function of the first kind of order 1 using the approximation of Abromowitz and Stegun.

Definition at line 125 of file maths.f90.

Member Function/Subroutine Documentation

pure real(dp) function maths::i1::i1dp ( real(dp), intent(in)  x )

private

Calculates the modified Bessel function of the first kind of order 1 using the approximation of Abromowitz and Stegun, for a double precision argument.

Parameters

[in]

x

The value to evaluate the function at

Definition at line 1318 of file maths.f90.

pure real(sp) function maths::i1::i1sp ( real(sp), intent(in)  x )

private

Calculates the modified Bessel function of the first kind of order 1 using the approximation of Abromowitz and Stegun, for a single precision argument.

Parameters

[in]

x

The value to evaluate the function at

Definition at line 1349 of file maths.f90.