X02 Chapter Contents (PDF version)
X02 Chapter Introduction
NAG Library Manual

NAG Library Chapter Contents

X02 – Machine Constants

X02 Chapter Introduction

Routine
Name
Mark of
Introduction

Purpose
X02AHF 9 nagf_machine_sinarg_max
The largest permissible argument for sin and cos
X02AJF
Example Text
12 nagf_machine_precision
The machine precision
X02AKF 12 nagf_machine_real_smallest
The smallest positive model number
X02ALF 12 nagf_machine_real_largest
The largest positive model number
X02AMF 12 nagf_machine_real_safe
The safe range parameter
X02ANF 15 nagf_machine_complex_safe
The safe range parameter for complex floating point arithmetic
X02BBF 5 nagf_machine_integer_max
The largest representable integer
X02BEF 5 nagf_machine_decimal_digits
The maximum number of decimal digits that can be represented
X02BHF 12 nagf_machine_model_base
The floating point model parameter, b
X02BJF 12 nagf_machine_model_digits
The floating point model parameter, p
X02BKF 12 nagf_machine_model_minexp
The floating point model parameter emin
X02BLF 12 nagf_machine_model_maxexp
The floating point model parameter emax
X02DAF 8 nagf_machine_withdraw_underflow
Switch for taking precautions to avoid underflow
Note: this routine is scheduled for withdrawal at Mark 24, see Advice on Replacement Calls for Withdrawn/Superseded Routines for further information.
X02DJF 12 nagf_machine_withdraw_model_rounds
The floating point model parameter ROUNDS
Note: this routine is scheduled for withdrawal at Mark 24, see Advice on Replacement Calls for Withdrawn/Superseded Routines for further information.

X02 Chapter Contents (PDF version)
X02 Chapter Introduction
NAG Library Manual

© The Numerical Algorithms Group Ltd, Oxford, UK. 2011