# NAG Library Routine Document

## 1Purpose

x02bhf returns the base argument $b$ of the model of floating-point arithmetic as described in the X02 Chapter Introduction.

## 2Specification

Fortran Interface
 Function x02bhf ( )
 Integer :: x02bhf
#include nagmk26.h
 Integer x02bhf_ ()

None.

None.

None.

None.

None.

## 8Parallelism and Performance

x02bhf is not threaded in any implementation.