NAG C Library Manual, Mark 26
NAG Library Manual, Mark 26
NAG AD Library Manual, Mark 26
x01 Chapter Contents
x01 Chapter Introduction
NAG C Library Function Document
nag_pi (X01AAC)
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NAG C Library Manual, Mark 26
NAG Library Manual, Mark 26
NAG AD Library Manual, Mark 26
x01 Chapter Contents
x01 Chapter Introduction
▸
▿
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
© The Numerical Algorithms Group Ltd. 2018
1
Purpose
nag_pi (X01AAC)
returns the numerical value of
π
.
2
Specification
#include <nag.h>
#include <nagx01.h>
double
nag_pi
3
Description
nag_pi (X01AAC)
is a constant defined in the C Header file.
4
References
None.
5
Arguments
None.
6
Error Indicators and Warnings
None.
7
Accuracy
The result should be correct to
machine precision
(see
Chapter x02
).
8
Parallelism and Performance
nag_pi (X01AAC)
is not threaded in any implementation.
9
Further Comments
None.
10
Example
None.
NAG C Library Manual, Mark 26
NAG Library Manual, Mark 26
NAG AD Library Manual, Mark 26
x01 Chapter Contents
x01 Chapter Introduction
© The Numerical Algorithms Group Ltd. 2018