2011-09-22 15:48:09 +02:00
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--- standard mathematical functions.
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2011-06-14 11:36:05 +02:00
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module 'math'
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---
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-- Returns the absolute value of `x`.
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function math.abs(x) end
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---
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-- Returns the arc cosine of `x` (in radians).
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function math.acos(x) end
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---
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-- Returns the arc sine of `x` (in radians).
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function math.asin(x) end
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---
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-- Returns the arc tangent of `x` (in radians).
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function math.atan(x) end
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---
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-- Returns the arc tangent of `y/x` (in radians), but uses the signs
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-- of both parameters to find the quadrant of the result. (It also handles
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-- correctly the case of `x` being zero.)
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function math.atan2(y, x) end
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---
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-- Returns the smallest integer larger than or equal to `x`.
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function math.ceil(x) end
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---
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-- Returns the cosine of `x` (assumed to be in radians).
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function math.cos(x) end
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---
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-- Returns the hyperbolic cosine of `x`.
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function math.cosh(x) end
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---
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-- Returns the angle `x` (given in radians) in degrees.
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function math.deg(x) end
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---
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-- Returns the value *e^x*.
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function math.exp(x) end
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---
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-- Returns the largest integer smaller than or equal to `x`.
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function math.floor(x) end
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---
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-- Returns the remainder of the division of `x` by `y` that rounds the
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-- quotient towards zero.
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function math.fmod(x, y) end
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---
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-- Returns `m` and `e` such that *x = m2^e*, `e` is an integer and the
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-- absolute value of `m` is in the range *[0.5, 1)* (or zero when `x` is zero).
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function math.frexp(x) end
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---
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-- The value `HUGE_VAL`, a value larger than or equal to any other
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-- numerical value.
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-- function math.huge end
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-- * `math.HUGE_VAL`: math.HUGE_VAL
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---
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-- Returns *m2^e* (`e` should be an integer).
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function math.ldexp(m, e) end
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---
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-- Returns the natural logarithm of `x`.
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function math.log(x) end
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---
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-- Returns the base-10 logarithm of `x`.
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function math.log10(x) end
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---
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-- Returns the maximum value among its arguments.
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function math.max(x, ...) end
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---
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-- Returns the minimum value among its arguments.
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function math.min(x, ...) end
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---
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-- Returns two numbers, the integral part of `x` and the fractional part of
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-- `x`.
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function math.modf(x) end
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---
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-- The value of *pi*.
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-- function math.pi end
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-- * `math.pi`: math.pi
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---
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-- Returns *x^y*. (You can also use the expression `x^y` to compute this
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-- value.)
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function math.pow(x, y) end
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---
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-- Returns the angle `x` (given in degrees) in radians.
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function math.rad(x) end
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---
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-- This function is an interface to the simple pseudo-random generator
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-- function `rand` provided by ANSI C. (No guarantees can be given for its
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-- statistical properties.)
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-- When called without arguments, returns a uniform pseudo-random real
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-- number in the range *[0,1)*. When called with an integer number `m`,
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-- `math.random` returns a uniform pseudo-random integer in the range *[1,
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-- m]*. When called with two integer numbers `m` and `n`, `math.random`
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-- returns a uniform pseudo-random integer in the range *[m, n]*.
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2011-09-22 15:48:09 +02:00
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function math.random(m , n) end
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2011-06-14 11:36:05 +02:00
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---
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-- Sets `x` as the "seed" for the pseudo-random generator: equal seeds
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-- produce equal sequences of numbers.
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function math.randomseed(x) end
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---
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-- Returns the sine of `x` (assumed to be in radians).
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function math.sin(x) end
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---
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-- Returns the hyperbolic sine of `x`.
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function math.sinh(x) end
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---
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-- Returns the square root of `x`. (You can also use the expression `x^0.5`
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-- to compute this value.)
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function math.sqrt(x) end
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---
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-- Returns the tangent of `x` (assumed to be in radians).
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function math.tan(x) end
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---
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-- Returns the hyperbolic tangent of `x`.
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function math.tanh(x) end
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