NAG Library Routine Document

x01abf (euler)

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 <nagmk26.h>
double  x01abf_ (double *x)

3
Description

None.

4
References

None.

5
Arguments

1:     x – Real (Kind=nag_wp)Dummy

6
Error Indicators and Warnings

None.

7
Accuracy

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

8
Parallelism and Performance

x01abf is not threaded in any implementation.

9
Further Comments

None.

10
Example

None.