Calculates the modified Bessel function of the first kind of order 1 using the approximation of Abromowitz and Stegun.
More...
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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...
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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...
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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.
pure real(dp) function maths::i1::i1dp |
( |
real(dp), intent(in) |
x | ) |
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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.