NAG C Library

x02 – Machine Constants

x02 Chapter Introduction

Routine
Name 		Mark of
Introduction
Purpose
X02AHC 2 nag_max_sine_argument
The largest permissible argument for sin and cos
X02AJC 2 nag_machine_precision
The machine precision
X02AKC 2 nag_real_smallest_number
The smallest positive model number
X02ALC 2 nag_real_largest_number
The largest positive model number
X02AMC 2 nag_real_safe_small_number
Safe range of floating-point arithmetic
X02ANC 6 nag_complex_safe_small_number
Safe range of NAG complex floating-point arithmetic
X02BBC 2 nag_max_integer
The largest representable integer
X02BEC 2 nag_decimal_digits
The maximum number of decimal digits that can be represented
X02BHC 2 nag_real_base
Parameter b of model of floating-point arithmetic
X02BJC 2 nag_real_base_digits
Parameter p of model of floating-point arithmetic
X02BKC 2 nag_real_min_exponent
Parameter e min of model of floating-point arithmetic
X02BLC 2 nag_real_max_exponent
Parameter e max of model of floating-point arithmetic
X02DAC 2 nag_underflow_flag
Switch for taking precautions to avoid underflow
X02DJC 2 nag_real_arithmetic_rounds
Parameter ROUNDS of model of floating-point arithmetic
NAG C Library
© The Numerical Algorithms Group Ltd, Oxford UK. 2002