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201 lines
6.9 KiB
Plaintext
201 lines
6.9 KiB
Plaintext
-------------------------------------------------------------------------------
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-- Mathematical Functions.
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-- This library is an interface to the standard C math library.
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-- It provides all its functions inside the table math.
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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 [parent=#math] abs
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-- @param #number x
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-- @return #number
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-------------------------------------------------------------------------------
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-- Returns the arc cosine of `x` (in radians).
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-- @function [parent=#math] acos
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-- @param #number x
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-- @return #number
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-------------------------------------------------------------------------------
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-- Returns the arc sine of `x` (in radians).
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-- @function [parent=#math] asin
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-- @param #number x
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-- @return #number
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-------------------------------------------------------------------------------
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-- Returns the arc tangent of `x` (in radians).
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-- @function [parent=#math] atan
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-- @param #number x
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-- @return #number
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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 [parent=#math] atan2
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-- @param #number y
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-- @param #number x
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-- @return #number
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-------------------------------------------------------------------------------
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-- Returns the smallest integer larger than or equal to `x`.
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-- @function [parent=#math] ceil
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-- @param #number x
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-- @return #number
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-------------------------------------------------------------------------------
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-- Returns the cosine of `x` (assumed to be in radians).
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-- @function [parent=#math] cos
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-- @param #number x
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-- @return #number
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-------------------------------------------------------------------------------
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-- Returns the hyperbolic cosine of `x`.
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-- @function [parent=#math] cosh
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-- @param #number x
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-- @return #number
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-------------------------------------------------------------------------------
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-- Returns the angle `x` (given in radians) in degrees.
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-- @function [parent=#math] deg
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-- @param #number x
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-- @return #number
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-------------------------------------------------------------------------------
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-- Returns the value *e^x*.
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-- @function [parent=#math] exp
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-- @param #number x
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-- @return #number
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-------------------------------------------------------------------------------
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-- Returns the largest integer smaller than or equal to `x`.
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-- @function [parent=#math] floor
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-- @param #number x
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-- @return #number
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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 [parent=#math] fmod
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-- @param #number x
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-- @param #number y
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-- @return #number
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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 [parent=#math] frexp
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-- @param #number x
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-- @return #number
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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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-- @field [parent=#math] #number huge
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-------------------------------------------------------------------------------
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-- Returns *m2^e* (`e` should be an integer).
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-- @function [parent=#math] ldexp
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-- @param #number m
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-- @param #number e
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-- @return #number
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-------------------------------------------------------------------------------
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-- Returns the natural logarithm of `x`.
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-- @function [parent=#math] log
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-- @param #number x
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-- @return #number
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-------------------------------------------------------------------------------
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-- Returns the base-10 logarithm of `x`.
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-- @function [parent=#math] log10
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-- @param #number x
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-- @return #number
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-------------------------------------------------------------------------------
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-- Returns the maximum value among its arguments.
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-- @function [parent=#math] max
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-- @param #number x
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-- @return #number
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-------------------------------------------------------------------------------
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-- Returns the minimum value among its arguments.
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-- @function [parent=#math] min
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-- @param #number x
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-- @return #number
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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 [parent=#math] modf
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-- @param #number x
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-- @return #number
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-------------------------------------------------------------------------------
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-- The value of *pi*.
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-- @field [parent=#math] #number 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 [parent=#math] pow
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-- @param #number x
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-- @param #number y
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-- @return #number
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-------------------------------------------------------------------------------
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-- Returns the angle `x` (given in degrees) in radians.
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-- @function [parent=#math] rad
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-- @param #number x
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-- @return #number
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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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--
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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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-- @function [parent=#math] random
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-- @param #number m
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-- @param #number n
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-- @return #number
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-------------------------------------------------------------------------------
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-- Returns the sine of `x` (assumed to be in radians).
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-- @function [parent=#math] sin
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-- @param #number x
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-- @return #number
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-------------------------------------------------------------------------------
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-- Returns the hyperbolic sine of `x`.
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-- @function [parent=#math] sinh
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-- @param #number x
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-- @return #number
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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 [parent=#math] sqrt
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-- @param #number x
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-- @return #number
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-------------------------------------------------------------------------------
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-- Returns the tangent of `x` (assumed to be in radians).
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-- @function [parent=#math] tan
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-- @param #number x
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-- @return #number
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-------------------------------------------------------------------------------
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-- Returns the hyperbolic tangent of `x`.
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-- @function [parent=#math] tanh
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-- @param #number x
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-- @return #number
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return nil
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