Class that represents prefixes of the SI system of units. Each prefix sizes 1 byte. The prefix micro is added to a dimension with the symbol µ. More...

#include <prefix.hpp>

Public Types
enum	type : int8_t { NONE , QUETTA , RONNA , YOTTA , ZETTA , EXA , PETA , TERA , GIGA , MEGA , KILO , HECTO , DECA , DECI , CENTI , MILLI , MICRO , NANO , PICO , FEMTO , ATTO , ZEPTO , YOCTO , RONTO , QUECTO }
	Represents a prefix of the SI system of units. All the prefixes of the SI system of units are supported. More...

Public Member Functions
	prefix ()
	Default constructor. The prefix_type is set to NONE.

	prefix (const prefix &x)
	Copy constructor. The prefix_type is copied from the prefix x.

	prefix (prefix &&x)
	Move constructor. The prefix_type is moved from the prefix x.

	prefix (prefix::type new_type)
	Constructor. The prefix_type is set to the new_type given.

	prefix (const string &new_type)
	Constructor. The prefix_type is set to the new_type specified in the string.

prefix &	operator= (const prefix &x)
	Copy assignment. The prefix_type is copied from the prefix x.

prefix &	operator= (prefix &&x)
	Move assignment. The prefix_type is moved from the prefix x.

int	get_conversion_factor () const
	Returns the conversion factor of the prefix given the prefix_type. It uses the SI system of units for the value of each conversion factor.

string	get_name () const
	Name of the prefix given the prefix_type.

string	get_symbol () const
	Symbol of the prefix given the prefix_type. The symbol of micro is supported in his Unicode version.

bool	operator< (const scifir::prefix &x) const
	This operator allows to order the prefixes from the lower to the greather.

Public Attributes
prefix::type	prefix_type
	It stores the prefix type currently being used.

Detailed Description

Class that represents prefixes of the SI system of units. Each prefix sizes 1 byte. The prefix micro is added to a dimension with the symbol µ.

Definition at line 13 of file prefix.hpp.

Member Enumeration Documentation

◆ type

enum scifir::prefix::type : int8_t

Represents a prefix of the SI system of units. All the prefixes of the SI system of units are supported.

Enumerator
NONE	There is no prefix. Then, the dimension is not increased or decreased by some factor.
QUETTA	Prefix of a factor of 10^30.
RONNA	Prefix of a factor of 10^27.
YOTTA	Prefix of a factor of 10^24.
ZETTA	Prefix of a factor of 10^21.
EXA	Prefix of a factor of 10^18.
PETA	Prefix of a factor of 10^15.
TERA	Prefix of a factor of 10^12.
GIGA	Prefix of a factor of 10^9.
MEGA	Prefix of a factor of 10^6.
KILO	Prefix of a factor of 10^3.
HECTO	Prefix of a factor of 10^2.
DECA	Prefix of a factor of 10^1.
DECI	Prefix of a factor of 10^-1.
CENTI	Prefix of a factor of 10^-2.
MILLI	Prefix of a factor of 10^-3.
MICRO	Prefix of a factor of 10^-6.
NANO	Prefix of a factor of 10^-9.
PICO	Prefix of a factor of 10^-12.
FEMTO	Prefix of a factor of 10^-15.
ATTO	Prefix of a factor of 10^-18.
ZEPTO	Prefix of a factor of 10^-21.
YOCTO	Prefix of a factor of 10^-24.
RONTO	Prefix of a factor of 10^-27.
QUECTO	Prefix of a factor of 10^-30.

Definition at line 16 of file prefix.hpp.

16: int8_t {NONE,QUETTA,RONNA,YOTTA,ZETTA,EXA,PETA,TERA,GIGA,MEGA,KILO,HECTO,DECA,DECI,CENTI,MILLI,MICRO,NANO,PICO,FEMTO,ATTO,ZEPTO,YOCTO,RONTO,QUECTO};

scifir::prefix::ATTO

@ ATTO

Prefix of a factor of 10^-18.

Definition prefix.hpp:16

scifir::prefix::YOCTO

@ YOCTO

Prefix of a factor of 10^-24.

Definition prefix.hpp:16

scifir::prefix::RONNA

@ RONNA

Prefix of a factor of 10^27.

Definition prefix.hpp:16

scifir::prefix::NANO

@ NANO

Prefix of a factor of 10^-9.

Definition prefix.hpp:16

scifir::prefix::MILLI

@ MILLI

Prefix of a factor of 10^-3.

Definition prefix.hpp:16

scifir::prefix::NONE

@ NONE

There is no prefix. Then, the dimension is not increased or decreased by some factor.

Definition prefix.hpp:16

scifir::prefix::EXA

@ EXA

Prefix of a factor of 10^18.

Definition prefix.hpp:16

scifir::prefix::QUETTA

@ QUETTA

Prefix of a factor of 10^30.

Definition prefix.hpp:16

scifir::prefix::KILO

@ KILO

Prefix of a factor of 10^3.

Definition prefix.hpp:16

scifir::prefix::MEGA

@ MEGA

Prefix of a factor of 10^6.

Definition prefix.hpp:16

scifir::prefix::HECTO

@ HECTO

Prefix of a factor of 10^2.

Definition prefix.hpp:16

scifir::prefix::CENTI

@ CENTI

Prefix of a factor of 10^-2.

Definition prefix.hpp:16

scifir::prefix::PETA

@ PETA

Prefix of a factor of 10^15.

Definition prefix.hpp:16

scifir::prefix::RONTO

@ RONTO

Prefix of a factor of 10^-27.

Definition prefix.hpp:16

scifir::prefix::DECA

@ DECA

Prefix of a factor of 10^1.

Definition prefix.hpp:16

scifir::prefix::ZEPTO

@ ZEPTO

Prefix of a factor of 10^-21.

Definition prefix.hpp:16

scifir::prefix::YOTTA

@ YOTTA

Prefix of a factor of 10^24.

Definition prefix.hpp:16

scifir::prefix::FEMTO

@ FEMTO

Prefix of a factor of 10^-15.

Definition prefix.hpp:16

scifir::prefix::DECI

@ DECI

Prefix of a factor of 10^-1.

Definition prefix.hpp:16

scifir::prefix::MICRO

@ MICRO

Prefix of a factor of 10^-6.

Definition prefix.hpp:16

scifir::prefix::GIGA

@ GIGA

Prefix of a factor of 10^9.

Definition prefix.hpp:16

scifir::prefix::QUECTO

@ QUECTO

Prefix of a factor of 10^-30.

Definition prefix.hpp:16

scifir::prefix::PICO

@ PICO

Prefix of a factor of 10^-12.

Definition prefix.hpp:16

scifir::prefix::ZETTA

@ ZETTA

Prefix of a factor of 10^21.

Definition prefix.hpp:16

scifir::prefix::TERA

@ TERA

Prefix of a factor of 10^12.

Definition prefix.hpp:16

Constructor & Destructor Documentation

◆ prefix() [1/5]

prefix::prefix ( )

Default constructor. The prefix_type is set to NONE.

Definition at line 9 of file prefix.cpp.

9 : prefix_type(prefix::NONE)

10 {}

scifir::prefix::prefix_type

prefix::type prefix_type

It stores the prefix type currently being used.

Definition prefix.hpp:33

◆ prefix() [2/5]

prefix::prefix ( const prefix & x )

Copy constructor. The prefix_type is copied from the prefix x.

Definition at line 12 of file prefix.cpp.

12 : prefix_type(x.prefix_type)

13 {}

◆ prefix() [3/5]

prefix::prefix ( prefix && x )

Move constructor. The prefix_type is moved from the prefix x.

Definition at line 15 of file prefix.cpp.

15 : prefix_type(std::move(x.prefix_type))

16 {}

◆ prefix() [4/5]

prefix::prefix ( prefix::type new_type )

explicit

Constructor. The prefix_type is set to the new_type given.

Definition at line 18 of file prefix.cpp.

18 : prefix_type(new_type)

19 {}

◆ prefix() [5/5]

prefix::prefix ( const string & new_type )

explicit

Constructor. The prefix_type is set to the new_type specified in the string.

Definition at line 21 of file prefix.cpp.

21 : prefix_type(prefix_string(new_type))

22 {}

scifir::prefix_string

prefix::type prefix_string(const string &x)

Returns the value of the enum prefix::type associated with the string x given.

Definition prefix.cpp:215

Member Function Documentation

◆ get_conversion_factor()

int prefix::get_conversion_factor ( ) const

Returns the conversion factor of the prefix given the prefix_type. It uses the SI system of units for the value of each conversion factor.

Definition at line 36 of file prefix.cpp.

    {
        switch (prefix_type)
        {
            case prefix::QUETTA:
                return 30;
            case prefix::RONNA:
                return 27;
            case prefix::YOTTA:
                return 24;
            case prefix::ZETTA:
                return 21;
            case prefix::EXA:
                return 18;
            case prefix::PETA:
                return 15;
            case prefix::TERA:
                return 12;
            case prefix::GIGA:
                return 9;
            case prefix::MEGA:
                return 6;
            case prefix::KILO:
                return 3;
            case prefix::HECTO:
                return 2;
            case prefix::DECA:
                return 1;
            case prefix::NONE:
                return 0;
            case prefix::DECI:
                return -1;
            case prefix::CENTI:
                return -2;
            case prefix::MILLI:
                return -3;
            case prefix::MICRO:
                return -6;
            case prefix::NANO:
                return -9;
            case prefix::PICO:
                return -12;
            case prefix::FEMTO:
                return -15;
            case prefix::ATTO:
                return -18;
            case prefix::ZEPTO:
                return -21;
            case prefix::YOCTO:
                return -24;
            case prefix::RONTO:
                return -27;
            case prefix::QUECTO:
                return -30;
        }
        return 0;
    }

◆ get_name()

string prefix::get_name ( ) const

Name of the prefix given the prefix_type.

Definition at line 94 of file prefix.cpp.

    {
        switch (prefix_type)
        {
            case prefix::QUETTA:
                return "quetta";
            case prefix::RONNA:
                return "ronna";
            case prefix::YOTTA:
                return "yotta";
            case prefix::ZETTA:
                return "zetta";
            case prefix::EXA:
                return "exa";
            case prefix::PETA:
                return "peta";
            case prefix::TERA:
                return "tera";
            case prefix::GIGA:
                return "giga";
            case prefix::MEGA:
                return "mega";
            case prefix::KILO:
                return "kilo";
            case prefix::HECTO:
                return "hecto";
            case prefix::DECA:
                return "deca";
            case prefix::NONE:
                return "";
            case prefix::DECI:
                return "deci";
            case prefix::CENTI:
                return "centi";
            case prefix::MILLI:
                return "milli";
            case prefix::MICRO:
                return "micro";
            case prefix::NANO:
                return "nano";
            case prefix::PICO:
                return "pico";
            case prefix::FEMTO:
                return "femto";
            case prefix::ATTO:
                return "atto";
            case prefix::ZEPTO:
                return "zepto";
            case prefix::YOCTO:
                return "yocto";
            case prefix::RONTO:
                return "ronto";
            case prefix::QUECTO:
                return "quecto";
        }
        return "";
    }

◆ get_symbol()

string prefix::get_symbol ( ) const

Symbol of the prefix given the prefix_type. The symbol of micro is supported in his Unicode version.

Definition at line 152 of file prefix.cpp.

    {
        switch (prefix_type)
        {
            case prefix::QUETTA:
                return "Q";
            case prefix::RONNA:
                return "R";
            case prefix::YOTTA:
                return "Y";
            case prefix::ZETTA:
                return "Z";
            case prefix::EXA:
                return "E";
            case prefix::PETA:
                return "P";
            case prefix::TERA:
                return "T";
            case prefix::GIGA:
                return "G";
            case prefix::MEGA:
                return "M";
            case prefix::KILO:
                return "k";
            case prefix::HECTO:
                return "h";
            case prefix::DECA:
                return "da";
            case prefix::NONE:
                return "";
            case prefix::DECI:
                return "d";
            case prefix::CENTI:
                return "c";
            case prefix::MILLI:
                return "m";
            case prefix::MICRO:
                return "µ";
            case prefix::NANO:
                return "n";
            case prefix::PICO:
                return "p";
            case prefix::FEMTO:
                return "f";
            case prefix::ATTO:
                return "a";
            case prefix::ZEPTO:
                return "z";
            case prefix::YOCTO:
                return "y";
            case prefix::RONTO:
                return "r";
            case prefix::QUECTO:
                return "q";
        }
        return "";
    }

◆ operator<()

bool prefix::operator< ( const scifir::prefix & x ) const

This operator allows to order the prefixes from the lower to the greather.

Definition at line 210 of file prefix.cpp.

    {
        return (get_conversion_factor() < x.get_conversion_factor());
    }

◆ operator=() [1/2]

prefix & prefix::operator= ( const prefix & x )

Copy assignment. The prefix_type is copied from the prefix x.

Definition at line 24 of file prefix.cpp.

    {
        prefix_type = x.prefix_type;
        return *this;
    }

◆ operator=() [2/2]

prefix & prefix::operator= ( prefix && x )

Move assignment. The prefix_type is moved from the prefix x.

Definition at line 30 of file prefix.cpp.

    {
        prefix_type = std::move(x.prefix_type);
        return *this;
    }

Member Data Documentation

◆ prefix_type

prefix::prefix_type

It stores the prefix type currently being used.

Definition at line 33 of file prefix.hpp.

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

units/prefix.hpp
units/prefix.cpp
docs/dox/units/prefix.dox

Public Types

Public Member Functions

Public Attributes

Detailed Description

Member Enumeration Documentation

◆ type

Constructor & Destructor Documentation

◆ prefix() [1/5]

◆ prefix() [2/5]

◆ prefix() [3/5]

◆ prefix() [4/5]

◆ prefix() [5/5]

Member Function Documentation

◆ get_conversion_factor()

◆ get_name()

◆ get_symbol()

◆ operator<()

◆ operator=() [1/2]

◆ operator=() [2/2]

Member Data Documentation

◆ prefix_type