Mathematical constants and functions, plus a random number generator.
To use this library in your code:
import 'dart:math';
Constants
- E → double
-
Base of the natural logarithms.
2.718281828459045
- LN2 → double
-
Natural logarithm of 2.
0.6931471805599453
- LN10 → double
-
Natural logarithm of 10.
2.302585092994046
- LOG2E → double
-
Base-2 logarithm of E.
1.4426950408889634
- LOG10E → double
-
Base-10 logarithm of E.
0.4342944819032518
- PI → double
-
The PI constant.
3.1415926535897932
- SQRT1_2 → double
-
Square root of 1/2.
0.7071067811865476
- SQRT2 → double
-
Square root of 2.
1.4142135623730951
Functions
-
acos(
num x) → double -
Converts
x
to a double and returns the arc cosine of the value. -
asin(
num x) → double -
Converts
x
to a double and returns the arc sine of the value. -
atan(
num x) → double -
Converts
x
to a double and returns the arc tangent of the value. -
atan2(
num a, num b) → double -
A variant of atan.
-
cos(
num x) → double -
Converts
x
to a double and returns the cosine of the value. -
exp(
num x) → double -
Converts
x
to a double and returns the natural exponent, E, to the powerx
. -
log(
num x) → double -
Converts
x
to a double and returns the natural logarithm of the value. -
max<T extends num>(
T a, T b) → T -
Returns the larger of two numbers.
-
min<T extends num>(
T a, T b) → T -
Returns the lesser of two numbers.
-
pow(
num x, num exponent) → num -
Returns
x
to the power ofexponent
. -
sin(
num x) → double -
Converts
x
to a double and returns the sine of the value. -
sqrt(
num x) → double -
Converts
x
to a double and returns the positive square root of the value. -
tan(
num x) → double -
Converts
x
to a double and returns the tangent of the value.
Classes
- MutableRectangle
-
A class for representing two-dimensional axis-aligned rectangles with mutable properties.
- Point
-
A utility class for representing two-dimensional positions.
- Random
-
A generator of random bool, int, or double values.
- Rectangle
-
A class for representing two-dimensional rectangles whose properties are immutable.