mathlib¶

abs¶

function math.abs(x: <Number:number>)
  -> <Number:number>

Returns the absolute value of x.

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acos¶

function math.acos(x: number)
  -> number

Returns the arc cosine of x (in radians).

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asin¶

function math.asin(x: number)
  -> number

Returns the arc sine of x (in radians).

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atan¶

function math.atan(y: number, x?: number)
  -> number

Returns the arc tangent of y/x (in radians).

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atan2¶

function math.atan2(y: number, x: number)
  -> number

Returns the arc tangent of y/x (in radians).

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ceil¶

function math.ceil(x: number)
  -> integer

Returns the smallest integral value larger than or equal to x.

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cos¶

function math.cos(x: number)
  -> number

Returns the cosine of x (assumed to be in radians).

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cosh¶

function math.cosh(x: number)
  -> number

Returns the hyperbolic cosine of x (assumed to be in radians).

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deg¶

function math.deg(x: number)
  -> number

Converts the angle x from radians to degrees.

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exp¶

function math.exp(x: number)
  -> number

Returns the value e^x (where e is the base of natural logarithms).

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floor¶

function math.floor(x: number)
  -> integer

Returns the largest integral value smaller than or equal to x.

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fmod¶

function math.fmod(x: number, y: number)
  -> number

Returns the remainder of the division of x by y that rounds the quotient towards zero.

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frexp¶

function math.frexp(x: number)
  -> m: number
  2. e: number

Decompose x into tails and exponents. Returns m and e such that x = m * (2 ^ e), e is an integer and the absolute value of m is in the range [0.5, 1) (or zero when x is zero).

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huge¶

number

A value larger than any other numeric value.

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ldexp¶

function math.ldexp(m: number, e: number)
  -> number

Returns m * (2 ^ e) .

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log¶

function math.log(x: number, base?: integer)
  -> number

Returns the logarithm of x in the given base.

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log10¶

function math.log10(x: number)
  -> number

Returns the base-10 logarithm of x.

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max¶

function math.max(x: <Number:number>, ...<Number:number>)
  -> <Number:number>

Returns the argument with the maximum value, according to the Lua operator <.

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maxinteger¶

integer

Miss locale

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min¶

function math.min(x: <Number:number>, ...<Number:number>)
  -> <Number:number>

Returns the argument with the minimum value, according to the Lua operator <.

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mininteger¶

integer

Miss locale

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modf¶

function math.modf(x: number)
  -> integer
  2. number

Returns the integral part of x and the fractional part of x.

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pi¶

number

The value of π.

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pow¶

function math.pow(x: number, y: number)
  -> number

Returns x ^ y .

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rad¶

function math.rad(x: number)
  -> number

Converts the angle x from degrees to radians.

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random¶

function math.random(m: integer, n: integer)
  -> integer

math.random(): Returns a float in the range [0,1).
math.random(n): Returns a integer in the range [1, n].
math.random(m, n): Returns a integer in the range [m, n].

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randomseed¶

function math.randomseed(x?: integer, y?: integer)

math.randomseed(x, y): Concatenate x and y into a 128-bit seed to reinitialize the pseudo-random generator.
math.randomseed(x): Equate to math.randomseed(x, 0) .
math.randomseed(): Generates a seed with a weak attempt for randomness.

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sin¶

function math.sin(x: number)
  -> number

Returns the sine of x (assumed to be in radians).

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sinh¶

function math.sinh(x: number)
  -> number

Returns the hyperbolic sine of x (assumed to be in radians).

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sqrt¶

function math.sqrt(x: number)
  -> number

Returns the square root of x.

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tan¶

function math.tan(x: number)
  -> number

Returns the tangent of x (assumed to be in radians).

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tanh¶

function math.tanh(x: number)
  -> number

Returns the hyperbolic tangent of x (assumed to be in radians).

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tointeger¶

function math.tointeger(x: any)
  -> integer?

Miss locale

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type¶

function math.type(x: any)
  -> "float"|"integer"|'nil'

Miss locale

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return #1:
    | "integer"
    | "float"
    | 'nil'

ult¶

function math.ult(m: integer, n: integer)
  -> boolean

Miss locale

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