Math

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No import is needed.

Read the usage guide for examples and common tasks. This reference lists the public declarations for this part of the library. See Reading API signatures for parameter and result notation.

Math

Common mathematical operations on double-precision numbers. Trigonometric arguments and results use radians.

public static class Math

floor

Rounds x down to the nearest integer value.

public static fun floor(x: double): double

ceil

Rounds x up to the nearest integer value.

public static fun ceil(x: double): double

round

Rounds x to the nearest integer value. Halfway cases round away from zero, so round(2.5) is 3 and round(-2.5) is -3.

public static fun round(x: double): double

sqrt

Square root, correctly rounded. A negative input is NaN.

public static fun sqrt(x: double): double

pow

Returns base raised to exponent. A negative base with a non-integer exponent is NaN, and pow(x, 0) is 1 for every x, including NaN.

public static fun pow(base: double, exponent: double): double

sin

Returns the sine of x, measured in radians.

public static fun sin(x: double): double

cos

Returns the cosine of x, measured in radians.

public static fun cos(x: double): double

tan

Returns the tangent of x, measured in radians.

public static fun tan(x: double): double

asin

Returns the inverse sine in radians; inputs outside [-1, 1] produce NaN.

public static fun asin(x: double): double

acos

Returns the inverse cosine in radians; inputs outside [-1, 1] produce NaN.

public static fun acos(x: double): double

atan

Returns the inverse tangent in radians.

public static fun atan(x: double): double

atan2

Returns the angle of the point (x, y) in radians, using both signs to choose the quadrant.

public static fun atan2(y: double, x: double): double

log

Returns the natural logarithm of x. Zero gives negative infinity and a negative input gives NaN.

public static fun log(x: double): double

log10

Returns the base-ten logarithm of x. Zero gives negative infinity and a negative input gives NaN.

public static fun log10(x: double): double

exp

Returns e raised to x.

public static fun exp(x: double): double

hypot

Returns the length of the vector (x, y) without overflow or underflow in the intermediate squares. An infinite component gives infinity even when the other is NaN.

public static fun hypot(x: double, y: double): double

PI

Ratio of a circle's circumference to its diameter.

public static get PI(): double

E

Base of the natural logarithm.

public static get E(): double