X01AAF (PDF version)
X01 Chapter Contents
X01 Chapter Introduction
NAG Library Manual

NAG Library Routine Document

X01AAF

Note:  before using this routine, please read the Users' Note for your implementation to check the interpretation of bold italicised terms and other implementation-dependent details.

 Contents

    1  Purpose
    7  Accuracy
    10  Example

1  Purpose

X01AAF returns the numerical value of π.

2  Specification

FUNCTION X01AAF ( X)
REAL (KIND=nag_wp) X01AAF
REAL (KIND=nag_wp)  X

3  Description

None.

4  References

None.

5  Parameters

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

Not applicable.

9  Further Comments

None.

10  Example

None.

X01AAF (PDF version)
X01 Chapter Contents
X01 Chapter Introduction
NAG Library Manual

© The Numerical Algorithms Group Ltd, Oxford, UK. 2015