NAG FL Interface
x01abf (euler)

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1 Purpose

x01abf returns the numerical value of γ (Euler's constant).

2 Specification

Fortran Interface
Function x01abf ( x)
Real (Kind=nag_wp) :: x01abf
Real (Kind=nag_wp), Intent (In) :: x
C Header Interface
#include <nag.h>
double  x01abf_ (double *x)
The routine may be called by the names x01abf or nagf_math_euler.

3 Description


4 References


5 Arguments

1: x Real (Kind=nag_wp) Dummy

6 Error Indicators and Warnings


7 Accuracy

The result should be correct to machine precision (see Chapter X02).

8 Parallelism and Performance

Background information to multithreading can be found in the Multithreading documentation.
x01abf is not threaded in any implementation.

9 Further Comments


10 Example