DynamicInt class abstract

An efficient integer that can dynamically change its internal representation from int to BigInt.

For each operation the best representation (int or BigInt) is chosen automatically.

Implemented types

• DynamicNumber<DynamicInt>

Available extensions

• PrimeDynamicIntExtension

Constructors

DynamicInt.fromBigInt(BigInt n)

Constructs from BigInt n.

factory

DynamicInt.fromInt(int n)

Constructs from int n.

factory

DynamicInt.fromNum(num n)

Constructs from num n.

factory

DynamicInt.parse(String s)

Parses String s to a DynamicInt integer.

factory

Properties

asDynamicIntBig → DynamicInt

Returns a DynamicInt with a BigInt internal representation.

no setter

asDynamicIntNative → DynamicInt

Returns a DynamicInt with a int internal representation.

no setter

bitLength → int

no setter

cos → Decimal

The cosine of this number.

no setter, override

digits → int

no setter

hashCode → int

The hash code for this object.

no setter, override

isBigInt → bool

Returns true if the internal representation is a BigInt.

no setter, override

isDecimal → bool

Returns true if this instance is a Decimal

no setter, override

isDynamicInt → bool

Returns true if this instance is a DynamicInt

no setter, override

isEven → bool

Returns true if and only if this integer is even.

no setter, override

isNegative → bool

Returns true if this number is negative.

no setter, override

isOdd → bool

Returns true if and only if this integer is odd.

no setter, override

isOne → bool

Returns true if this number is one.

no setter, override

isPositive → bool

Returns true if this number is positive.

no setter, override

isPrime → bool

Available on DynamicInt, provided by the PrimeDynamicIntExtension extension

Returns true if this DynamicInt is a prime number.

no setter

isSafeInteger → bool

Returns true if this number is safe to be represented as int for the current Dart platform.

no setter, override

isWholeNumber → bool

Returns true if this is a whole number.

no setter, override

isZero → bool

Returns true if this number is zero.

no setter, override

lowestSetBit → int

no setter

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

sign → int

Returns the sign of this number. See int.sign.

no setter, override

sin → Decimal

The sine of this number.

no setter, override

square → DynamicInt

The square of this number.

no setter, override

squareRoot → Decimal

The square root of this number.

no setter, inherited

Methods

abs() → DynamicInt

override

compareTo(DynamicNumber other) → int

Compares this object to another object.

override

divide(num n2) → DynamicNumber

override

divideAsDynamicInt(DynamicInt n2) → DynamicInt

divideAsDynamicIntBig(DynamicInt other) → DynamicInt

divideBigInt(BigInt n2) → DynamicInt

override

divideBigIntAsDecimal(BigInt n2) → Decimal

override

divideBigIntAsDouble(BigInt n2) → double

inherited

divideDouble(double n2) → Decimal

inherited

divideDoubleAsDecimal(double n2) → Decimal

override

divideDoubleAsDouble(double n2) → double

inherited

divideDynamicInt(DynamicInt other) → DynamicInt

override

divideDynamicIntAsDecimal(DynamicInt other) → Decimal

override

divideDynamicIntAsDouble(DynamicInt n2) → double

override

divideDynamicIntAsDynamicInt(DynamicInt other) → DynamicInt

inherited

divideInt(int n2) → DynamicInt

override

divideIntAsDecimal(int n2) → Decimal

override

divideIntAsDouble(int n2) → double

inherited

divideNumAsDecimal(num n2) → Decimal

override

divideNumAsDouble(num n2) → double

inherited

equalsBigInt(BigInt n) → bool

Returns true if n is equals to this number.

override

equalsDynamicInt(DynamicInt other) → bool

Returns true if other is equals to this number.

override

equalsInt(int n) → bool

Returns true if n is equals to this number.

override

format({bool thousands = true, String thousandsDelimiter = ','}) → String

Formats this decimal to a String.

override

moduloBigInt(BigInt n2) → DynamicInt

Euclidean modulo for BigInt n2.

override

moduloDynamicInt(DynamicInt other) → DynamicInt

Euclidean modulo for DynamicInt n2.

override

moduloInt(int n2) → DynamicInt

Euclidean modulo for int n2.

override

multiply(num n2) → DynamicNumber

override

multiplyAsDynamicIntBig(DynamicInt other) → DynamicInt

multiplyBigInt(BigInt n2) → DynamicInt

override

multiplyDecimal(Decimal other) → DynamicNumber

override

multiplyDouble(double n2) → Decimal

override

multiplyDynamicInt(DynamicInt other) → DynamicInt

override

multiplyInt(int n2) → DynamicInt

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

power(DynamicNumber exponent) → DynamicNumber

This number to the power of exponent.

override

powerAsDecimal(DynamicNumber exponent) → Decimal

This number to the power of DynamicNumber exponent as Decimal.

override

powerAsDynamicInt(DynamicNumber exponent) → DynamicInt

This number to the power of DynamicNumber exponent as DynamicInt.

override

powerBigInt(BigInt exponent) → DynamicNumber

This number to the power of exponent.

override

powerDouble(double exponent) → DynamicNumber

This number to the power of exponent.

override

powerInt(int exponent) → DynamicNumber

This number to the power of exponent.

override

powerNum(num exponent) → DynamicNumber

This number to the power of exponent.

override

subtract(num n2) → DynamicNumber

override

subtractAsDynamicIntBig(DynamicInt other) → DynamicInt

subtractBigInt(BigInt n2) → DynamicInt

override

subtractDouble(double n2) → Decimal

override

subtractDynamicInt(DynamicInt other) → DynamicInt

inherited

subtractInt(int n2) → DynamicInt

override

sum(num n2) → DynamicNumber

override

sumAsDynamicIntBig(DynamicInt other) → DynamicInt

sumBigInt(BigInt n2) → DynamicInt

override

sumDouble(double n2) → Decimal

override

sumDynamicInt(DynamicInt other) → DynamicInt

inherited

sumInt(int n2) → DynamicInt

override

toBigInt() → BigInt

Returns this number as BigInt.

override

toDecimal() → Decimal

Returns this number as Decimal.

override

toDouble() → double

Returns this number as double.

override

toDynamicInt() → DynamicInt

Returns this number as DynamicInt.

override

toHex() → String

This number as an integer in hexadecimal format.

inherited

toInt() → int

Returns this number as int.

override

toNum() → num

Returns this number as num.

inherited

toString({bool thousands = false, String thousandsDelimiter = ','}) → String

A string representation of this object.

override

toStringStandard() → String

Formats this number to a String in a standard format, like int or double.

inherited

Operators

operator %(DynamicNumber other) → DynamicNumber

Euclidean modulo operator.

inherited

operator *(DynamicNumber other) → DynamicNumber

inherited

operator +(DynamicNumber other) → DynamicNumber

inherited

operator -(DynamicNumber other) → DynamicNumber

inherited

operator /(DynamicNumber other) → Decimal

inherited

operator <(DynamicNumber other) → bool

override

operator <<(int shiftAmount) → DynamicInt

Shift the bits of this integer to the left by shiftAmount.

inherited

operator <=(DynamicNumber other) → bool

override

operator ==(Object other) → bool

The equality operator.

override

operator >(DynamicNumber other) → bool

override

operator >=(DynamicNumber other) → bool

override

operator >>(int shiftAmount) → DynamicInt

Shift the bits of this integer to the right by shiftAmount.

inherited

operator unary-() → DynamicInt

override

operator unary-() → DynamicInt

Return the negative value of this integer.

inherited

operator ~() → DynamicInt

The bit-wise negate operator.

inherited

operator ~/(DynamicNumber other) → DynamicInt

inherited

Static Properties

maxSafeInteger → int

Alias to DynamicNumber.maxSafeInteger.

final

maxSafeIntegerDigits → int

Alias to DynamicNumber.maxSafeIntegerDigits.

final

minSafeInteger → int

Alias to DynamicNumber.minSafeInteger.

final

minSafeIntegerDigits → int

Alias to DynamicNumber.minSafeIntegerDigits.

final

negativeOne → DynamicInt

final

one → DynamicInt

final

safeIntegerBits → int

Alias to DynamicNumber.safeIntegerBits.

final

safeIntegerShiftBits → int

The safe integer bits for shift operations.

final

ten → DynamicInt

final

two → DynamicInt

final

zero → DynamicInt

final

Static Methods

dynamicIntDigits(DynamicInt n) → int

from(Object? n) → DynamicInt?

Constructs from n. Accepted types: int, double, num, BigInt, String, DynamicInt.

override

intDigits(int n) → int

tryParse(String s) → DynamicInt?

Tries to parse String s to a DynamicInt integer.

override