NumberUtils class abstract final

Numeric helpers: math, normalization and aggregation.

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

average(Iterable<num> values) → double

Average of values. Returns 0 for an empty collection.

clamp(num value, num min, num max) → num

Clamps value between min and max.

clamp01(double value) → double

Clamps value between 0 and 1.

mapRange(num value, num inMin, num inMax, num outMin, num outMax) → num

Re-maps value from one range to another.

max(Iterable<num> values) → num?

Largest value, or null when values is empty.

min(Iterable<num> values) → num?

Smallest value, or null when values is empty.

normalize(num value, num min, num max) → double

Normalizes value in the range min–max to 0.0–1.0.

perceTage(num value, num total) → double

value as a perceTage of total (0–100). Returns 0 when total is 0.

pow10(int places) → double

range(Iterable<num> values) → num

Difference between the largest and smallest value. Returns 0 when empty.

roundTo(num value, int places) → double

Rounds value to places decimal places.

sum(Iterable<num> values) → num

Sum of values.