precision_and_rounding Class Reference

#include <precision_and_rounding.h>

List of all members.

Public Types
enum	round_t { round_up, round_off, round_down }
Public Member Functions
virtual	~precision_and_rounding ()
	precision_and_rounding ()
	precision_and_rounding (int precision, round_t round)
	precision_and_rounding (const precision_and_rounding &rhs)
precision_and_rounding &	operator= (const precision_and_rounding &rhs)
void	apply (number &value)
int	get_precision (void) const
round_t	get_rounding (void) const
Private Attributes
int	precision
round_t	round

---

Detailed Description

The precision_and_rounding class is used to represent the setting of the Decimal Point Selector Dial and Rounding Switch. These are always applied together.

Definition at line 28 of file precision_and_rounding.h.

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Member Enumeration Documentation

enum precision_and_rounding::round_t

Enumerator:

round_up	round away from zero
round_off	round towards the closest integer.
round_down	round towards zero

Definition at line 41 of file precision_and_rounding.h.

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Constructor & Destructor Documentation

precision_and_rounding::~precision_and_rounding

(

)

[virtual]

The destructor.

Definition at line 24 of file precision_and_rounding.cc.

precision_and_rounding::precision_and_rounding

(

)

The default constructor.

Definition at line 29 of file precision_and_rounding.cc.

precision_and_rounding::precision_and_rounding	(	int	precision,
		round_t	round
	)

A constructor.

Parameters:

precision	the number of decimal places of precision (places to the rigth of the decimal point).
round	the rounding direction.

Definition at line 38 of file precision_and_rounding.cc.

precision_and_rounding::precision_and_rounding

(

const precision_and_rounding &

rhs

)

The copy constructor.

Parameters:

rhs	The right hand side of the initialization.

Definition at line 48 of file precision_and_rounding.cc.

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Member Function Documentation

void precision_and_rounding::apply

(

number &

value

)

The apply method is used to apply this precision and rounding to a number value.

Parameters:

value

The value to be rounded.

Definition at line 70 of file precision_and_rounding.cc.

int precision_and_rounding::get_precision

(

void

)

const [inline]

Definition at line 95 of file precision_and_rounding.h.

round_t precision_and_rounding::get_rounding

(

void

)

const [inline]

Definition at line 97 of file precision_and_rounding.h.

precision_and_rounding & precision_and_rounding::operator=

(

const precision_and_rounding &

rhs

)

The assignment operator.

Parameters:

rhs	The right hand side of the assignment.

Definition at line 58 of file precision_and_rounding.cc.

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Member Data Documentation

int precision_and_rounding::precision [private]

The precision instance variable is used to remember the number of decimal places of precision (places to the rigth of the decimal point), or -1 for floating point.

Definition at line 105 of file precision_and_rounding.h.

round_t precision_and_rounding::round [private]

The round instance variable is used to remember the rounding direction.

Definition at line 111 of file precision_and_rounding.h.

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The documentation for this class was generated from the following files:

• lib/precision_and_rounding.h
• lib/precision_and_rounding.cc