x01ab: FL CL CPP AD

NAG FL Interface
x01abf (euler)

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NAG Library Manual, Mark 27.3

Interfaces: FL CL CPP AD

NAG FL Interface Introduction

X01 (Math) Chapter Contents

X01 (Math) Chapter Introduction

x01ab: FL CL CPP AD

▸▿ Contents

1 Purpose

2 Specification

3 Description

4 References

5 Arguments

6 Error Indicators and Warnings

7 Accuracy

8 Parallelism and Performance

9 Further Comments

10 Example

1 Purpose

x01abf returns the numerical value of

γ

(Euler's constant).

2 Specification

Fortran Interface

Function x01abf (

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

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.

NAG Library Manual, Mark 27.3

Interfaces: FL CL CPP AD

NAG FL Interface Introduction

X01 (Math) Chapter Contents

X01 (Math) Chapter Introduction

x01ab: FL CL CPP AD

NAG FL Interfacex01abf (euler)

▸▿ Contents

1 Purpose

2 Specification

3 Description

4 References

5 Arguments

6 Error Indicators and Warnings

7 Accuracy

8 Parallelism and Performance

9 Further Comments

10 Example

NAG FL Interface
x01abf (euler)