Rat class
A rational number represented as a fraction of two BigInts.
For efficiency reasons the fraction is not normalized. This means that two Rats with equivalent fractions may not be equal. Use normalize to get a normalized Rat.
- Annotations
-
- @immutable
Constructors
Properties
- d → BigInt
-
The denominator of the fraction.
final
- hashCode → int
-
The hash code for this object.
no setteroverride
- isInteger → bool
-
Whether this Rat is an integer.
no setter
- isNegative → bool
-
Whether this Rat is negative.
no setter
- isZero → bool
-
Whether this Rat is zero.
no setter
- n → BigInt
-
The numerator of the fraction.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- sign → int
-
Returns the sign of this Rat.
no setter
Methods
-
abs(
) → Rat - Returns the absolute value of this Rat.
-
ceil(
) → BigInt - Returns the smallest integer that is greater or equal to this Rat.
-
floor(
) → BigInt - Returns the biggest integer that is less or equal to this Rat.
-
normalize(
) → Rat - Returns a new Rat with the smallest denominator for the fraction.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
remainder(
Rat other) → Rat -
Returns the remainder of this Rat divided by
other. -
round(
) → BigInt - Returns the integer closest to this Rat.
-
toBigInt(
) → BigInt - Returns this Rat as a BigInt.
-
toDouble(
) → double - Returns this Rat as a double.
-
toInt(
) → int - Returns this Rat as an int.
-
toString(
) → String -
A string representation of this object.
override
-
truncate(
) → BigInt - Discards the fractional part of this Rat.
Operators
-
operator %(
Rat other) → Rat -
Returns the modulo of this Rat and
other. -
operator *(
Rat other) → Rat -
Multiplies this Rat by
other. -
operator +(
Rat other) → Rat -
Adds this Rat to
other. -
operator -(
Rat other) → Rat -
Subtracts
otherfrom this Rat. -
operator /(
Rat other) → Rat -
Divides this Rat by
other. -
operator <(
Rat other) → bool -
Whether this Rat is less than
other. -
operator <=(
Rat other) → bool -
Whether this Rat is less or equal to
other. -
operator ==(
Object other) → bool -
The equality operator.
override
-
operator >(
Rat other) → bool -
Whether this Rat is greater than
other. -
operator >=(
Rat other) → bool -
Whether this Rat is greater or equal to
other. -
operator unary-(
) → Rat - Returns the negation of this Rat.
-
operator ~/(
Rat other) → BigInt -
Returns the truncating division of this Rat by
other.