/Dart 2

dart:math library

Mathematical constants and functions, plus a random number generator.

To use this library in your code:

import 'dart:math';

Classes

MutableRectangle<T extends num>
A class for representing two-dimensional axis-aligned rectangles with mutable properties.
Point<T extends num>
A utility class for representing two-dimensional positions.
Random
A generator of random bool, int, or double values. [...]
Rectangle<T extends num>
A class for representing two-dimensional rectangles whose properties are immutable.

Constants

e → const double
Base of the natural logarithms. [...]
2.718281828459045
ln2 → const double
Natural logarithm of 2. [...]
0.6931471805599453
ln10 → const double
Natural logarithm of 10. [...]
2.302585092994046
log2e → const double
Base-2 logarithm of e.
1.4426950408889634
log10e → const double
Base-10 logarithm of e.
0.4342944819032518
pi → const double
The PI constant.
3.141592653589793
sqrt1_2 → const double
Square root of 1/2.
0.7071067811865476
sqrt2 → const double
Square root of 2.
1.4142135623730951

Functions

acos(num x) → double
Converts x to a double and returns its arc cosine in radians. [...]
asin(num x) → double
Converts x to a double and returns its arc sine in radians. [...]
atan(num x) → double
Converts x to a double and returns its arc tangent in radians. [...]
atan2(num a, num b) → double
A variant of atan. [...]
cos(num radians) → double
Converts radians 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 power x. [...]
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 of exponent. [...]
sin(num radians) → double
Converts radians 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 radians) → double
Converts radians to a double and returns the tangent of the value. [...]

© 2012 the Dart project authors