A class that defines the notation style to be used when formatting numbers in NumberFormatter. More...

#include <numberformatter.h>

Inheritance diagram for icu::number::Notation:

Static Public Member Functions
static ScientificNotation	scientific ()
	Print the number using scientific notation (also known as scientific form, standard index form, or standard form in the UK).

static ScientificNotation	engineering ()
	Print the number using engineering notation, a variant of scientific notation in which the exponent must be divisible by 3.

static CompactNotation	compactShort ()
	Print the number using short-form compact notation.

static CompactNotation	compactLong ()
	Print the number using long-form compact notation.

static SimpleNotation	simple ()
	Print the number using simple notation without any scaling by powers of ten.

Friends
struct	impl::MacroProps

class	ScientificNotation

class	impl::NumberFormatterImpl

class	impl::ScientificModifier

class	impl::ScientificHandler

class	impl::GeneratorHelpers

Detailed Description

A class that defines the notation style to be used when formatting numbers in NumberFormatter.

Stable:: ICU 60

Definition at line 203 of file numberformatter.h.

Member Function Documentation

◆ compactLong()

static CompactNotation icu::number::Notation::compactLong ( )

static

Print the number using long-form compact notation.

For more information on compact notation, see compactShort.

In long form, the powers of ten are spelled out fully. Example outputs in en-US when printing 8.765E7 through 8.765E0:

88 million
8.8 million
876 thousand
88 thousand
8.8 thousand
876
88
8.8

Returns: A CompactNotation for passing to the NumberFormatter notation() setter.

Stable:: ICU 60

◆ compactShort()

static CompactNotation icu::number::Notation::compactShort ( )

static

Print the number using short-form compact notation.

Compact notation, defined in Unicode Technical Standard #35 Part 3 Section 2.4.1, prints numbers with localized prefixes or suffixes corresponding to different powers of ten. Compact notation is similar to engineering notation in how it scales numbers.

Compact notation is ideal for displaying large numbers (over ~1000) to humans while at the same time minimizing screen real estate.

In short form, the powers of ten are abbreviated. In en-US, the abbreviations are "K" for thousands, "M" for millions, "B" for billions, and "T" for trillions. Example outputs in en-US when printing 8.765E7 through 8.765E0:

88M
8.8M
876K
88K
8.8K
876
88
8.8

When compact notation is specified without an explicit rounding precision, numbers are rounded off to the closest integer after scaling the number by the corresponding power of 10, but with a digit shown after the decimal separator if there is only one digit before the decimal separator. The default compact notation rounding precision is equivalent to:

Precision::integer().withMinDigits(2)

Returns: A CompactNotation for passing to the NumberFormatter notation() setter.

Stable:: ICU 60

◆ engineering()

static ScientificNotation icu::number::Notation::engineering ( )

static

Print the number using engineering notation, a variant of scientific notation in which the exponent must be divisible by 3.

Example outputs in en-US when printing 8.765E4 through 8.765E-3:

87.65E3
8.765E3
876.5E0
87.65E0
8.765E0
876.5E-3
87.65E-3
8.765E-3
0E0

Returns: A ScientificNotation for chaining or passing to the NumberFormatter notation() setter.

Stable:: ICU 60

◆ scientific()

static ScientificNotation icu::number::Notation::scientific ( )

static

Print the number using scientific notation (also known as scientific form, standard index form, or standard form in the UK).

The format for scientific notation varies by locale; for example, many Western locales display the number in the form "#E0", where the number is displayed with one digit before the decimal separator, zero or more digits after the decimal separator, and the corresponding power of 10 displayed after the "E".

Example outputs in en-US when printing 8.765E4 through 8.765E-3:

8.765E4
8.765E3
8.765E2
8.765E1
8.765E0
8.765E-1
8.765E-2
8.765E-3
0E0

Returns: A ScientificNotation for chaining or passing to the NumberFormatter notation() setter.

Stable:: ICU 60

◆ simple()

static SimpleNotation icu::number::Notation::simple ( )

static

Print the number using simple notation without any scaling by powers of ten.

This is the default behavior.

Since this is the default behavior, this method needs to be called only when it is necessary to override a previous setting.

Example outputs in en-US when printing 8.765E7 through 8.765E0:

Returns: A SimpleNotation for passing to the NumberFormatter notation() setter.

Stable:: ICU 60

Friends And Related Symbol Documentation

◆ impl::GeneratorHelpers

friend class impl::GeneratorHelpers

friend

Definition at line 402 of file numberformatter.h.

◆ impl::MacroProps

friend struct impl::MacroProps

friend

Definition at line 393 of file numberformatter.h.

◆ impl::NumberFormatterImpl

friend class impl::NumberFormatterImpl

friend

Definition at line 397 of file numberformatter.h.

◆ impl::ScientificHandler

friend class impl::ScientificHandler

friend

Definition at line 399 of file numberformatter.h.

◆ impl::ScientificModifier

friend class impl::ScientificModifier

friend

Definition at line 398 of file numberformatter.h.

◆ ScientificNotation

friend class ScientificNotation

friend

Definition at line 394 of file numberformatter.h.

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

i18n/unicode/numberformatter.h

Static Public Member Functions

Friends

Detailed Description

Member Function Documentation

◆ compactLong()

◆ compactShort()

◆ engineering()

◆ scientific()

◆ simple()

Friends And Related Symbol Documentation

◆ impl::GeneratorHelpers

◆ impl::MacroProps

◆ impl::NumberFormatterImpl

◆ impl::ScientificHandler

◆ impl::ScientificModifier

◆ ScientificNotation