Record TDegreeFahrenheitUnitHelper

Unit

ADim

Declaration

type TDegreeFahrenheitUnitHelper = record helper for TDegreeFahrenheitUnit

Description

Record helper for TDegreeFahrenheitUnit providing conversion and formatting operations for temperatures expressed in degrees Fahrenheit.

All extraction methods apply the inverse of the Fahrenheit affine conversion, so that a quantity stored internally in kelvin is correctly displayed in °F: T[°F] = T[K] × 9/5 - 459.67.

All ToString and ToVerboseString methods produce output with the Fahrenheit symbol '°F' or name 'degree Fahrenheit' / 'degrees Fahrenheit'.

Overview

Methods

Public	function GetName(const Prefixes: TPrefixes): string;
Public	function GetPluralName(const Prefixes: TPrefixes): string;
Public	function GetSymbol(const Prefixes: TPrefixes): string;
Public	function GetValue(const AQuantity: double; const APrefixes: TPrefixes): double;
Public	function ToFloat(const AQuantity: TQuantity): double;
Public	function ToFloat(const AQuantity: TQuantity; const APrefixes: TPrefixes): double;
Public	function ToString(const AQuantity: TQuantity): string;
Public	function ToString(const AQuantity: TQuantity; APrecision, ADigits: longint; const APrefixes: TPrefixes): string;
Public	function ToString(const AQuantity: TQuantity; const APrefixes: TPrefixes): string;
Public	function ToString(const AQuantity, ATolerance: TQuantity; APrecision, ADigits: longint; const APrefixes: TPrefixes): string;
Public	function ToVerboseString(const AQuantity: TQuantity): string;
Public	function ToVerboseString(const AQuantity: TQuantity; APrecision, ADigits: longint; const APrefixes: TPrefixes): string;
Public	function ToVerboseString(const AQuantity: TQuantity; const APrefixes: TPrefixes): string;
Public	function ToVerboseString(const AQuantity, ATolerance: TQuantity; APrecision, ADigits: longint; const APrefixes: TPrefixes): string;

Description

Methods

Public	function GetName(const Prefixes: TPrefixes): string;
Returns the singular name of the unit with the given prefix applied. For the Fahrenheit unit this is typically 'degree Fahrenheit' without prefix. Parameters Prefixes The list of SI prefixes to prepend to the unit name.

Public	function GetPluralName(const Prefixes: TPrefixes): string;
Returns the plural name of the unit with the given prefix applied. For the Fahrenheit unit this is typically 'degrees Fahrenheit' without prefix. Parameters Prefixes The list of SI prefixes to prepend to the unit plural name.

Public	function GetSymbol(const Prefixes: TPrefixes): string;
Returns the symbol of the unit with the given prefix applied. For the Fahrenheit unit this is typically '°F' without prefix. Parameters Prefixes The list of SI prefixes to prepend to the unit symbol.

Public	function GetValue(const AQuantity: double; const APrefixes: TPrefixes): double;
Returns the real scalar value scaled for the given prefix, expressed in degrees Fahrenheit. Applies the inverse affine conversion: T[°F] = T[K] × 9/5 - 459.67. Parameters AQuantity The dimensionless real value in SI base units (kelvin) to convert. APrefixes The SI prefixes defining additional scaling.

Public	function ToFloat(const AQuantity: TQuantity): double;
Returns the numerical value of the real quantity expressed in degrees Fahrenheit. Applies the inverse affine conversion: T[°F] = T[K] × 9/5 - 459.67. Parameters AQuantity The real temperature quantity stored internally in kelvin.

Public	function ToFloat(const AQuantity: TQuantity; const APrefixes: TPrefixes): double;
Returns the numerical value of the real quantity expressed in degrees Fahrenheit with the given prefix applied. Parameters AQuantity The real temperature quantity stored internally in kelvin. APrefixes The SI prefixes defining additional output scaling.

Public	function ToString(const AQuantity: TQuantity): string;
eturns a compact string representation of the temperature quantity in degrees Fahrenheit. Format: '<value> °F', e.g. '212 °F'. Parameters AQuantity The real temperature quantity to format.

Public	function ToString(const AQuantity: TQuantity; APrecision, ADigits: longint; const APrefixes: TPrefixes): string;
Returns a compact string representation of the temperature quantity with controlled precision. Parameters AQuantity The real temperature quantity to format. APrecision Number of significant digits. ADigits Minimum number of digits in the output. APrefixes The SI prefixes defining the output scaling.

Public	function ToString(const AQuantity: TQuantity; const APrefixes: TPrefixes): string;
Returns a compact string representation of the temperature quantity in degrees Fahrenheit with the given prefix applied. Parameters AQuantity The real temperature quantity to format. APrefixes The SI prefixes defining the output scaling.

Public

function ToString(const AQuantity, ATolerance: TQuantity; APrecision, ADigits: longint; const APrefixes: TPrefixes): string;

Returns a compact string representation of the temperature quantity with a tolerance range. Format: '<value> ± <tolerance> °F'. Parameters AQuantity The central temperature quantity to format. ATolerance The tolerance quantity to display alongside the value. APrecision Number of significant digits. ADigits Minimum number of digits in the output. APrefixes The SI prefixes defining the output scaling.

Public	function ToVerboseString(const AQuantity: TQuantity): string;
Returns a verbose string representation of the temperature quantity in degrees Fahrenheit. Format: '<value> degrees Fahrenheit', e.g. '212 degrees Fahrenheit'. Parameters AQuantity The real temperature quantity to format.

Public	function ToVerboseString(const AQuantity: TQuantity; APrecision, ADigits: longint; const APrefixes: TPrefixes): string;
Returns a verbose string representation of the temperature quantity with controlled precision. Parameters AQuantity The real temperature quantity to format. APrecision Number of significant digits. ADigits Minimum number of digits in the output. APrefixes The SI prefixes defining the output scaling.

Public	function ToVerboseString(const AQuantity: TQuantity; const APrefixes: TPrefixes): string;
Returns a verbose string representation of the temperature quantity with the given prefix. Parameters AQuantity The real temperature quantity to format. APrefixes The SI prefixes defining the output scaling.

Public

function ToVerboseString(const AQuantity, ATolerance: TQuantity; APrecision, ADigits: longint; const APrefixes: TPrefixes): string;

Returns a verbose string representation of the temperature quantity with a tolerance range. Format: '<value> ± <tolerance> degrees Fahrenheit'. Parameters AQuantity The central temperature quantity to format. ATolerance The tolerance quantity to display alongside the value. APrecision Number of significant digits. ADigits Minimum number of digits in the output. APrefixes The SI prefixes defining the output scaling.

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