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.. _stdlib_stdmathlib:
================
The Math library
================
the math lib provides basic mathematic routines. The library mimics the
C runtime library implementation.
------------
Squirrel API
------------
+++++++++++++++
Global Symbols
+++++++++++++++
.. js:function:: abs(x)
returns the absolute value of `x` as an integer
.. js:function:: acos(x)
returns the arccosine of `x`
.. js:function:: asin(x)
returns the arcsine of `x`
.. js:function:: atan(x)
returns the arctangent of `x`
.. js:function:: atan2(x,y)
returns the arctangent of `x/y`
.. js:function:: ceil(x)
returns a float value representing the smallest integer that is greater than or equal to `x`
.. js:function:: cos(x)
returns the cosine of `x`
.. js:function:: exp(x)
returns the exponential value of the float parameter `x`
.. js:function:: fabs(x)
returns the absolute value of `x` as a float
.. js:function:: floor(x)
returns a float value representing the largest integer that is less than or equal to `x`
.. js:function:: log(x)
returns the natural logarithm of `x`
.. js:function:: log10(x)
returns the logarithm base-10 of `x`
.. js:function:: pow(x,y)
returns `x` raised to the power of `y`
.. js:function:: rand()
returns a pseudorandom integer in the range 0 to `RAND_MAX`
.. js:function:: sin(x)
rreturns the sine of `x`
.. js:function:: sqrt(x)
returns the square root of `x`
.. js:function:: srand(seed)
sets the starting point for generating a series of pseudorandom integers
.. js:function:: tan(x)
returns the tangent of `x`
.. js:data:: RAND_MAX
the maximum value that can be returned by the `rand()` function
.. js:data:: PI
The numeric constant pi (3.141592) is the ratio of the circumference of a circle to its diameter
------------
C API
------------
.. _sqstd_register_mathlib:
.. c:function:: SQRESULT sqstd_register_mathlib(HSQUIRRELVM v)
:param HSQUIRRELVM v: the target VM
:returns: an SQRESULT
:remarks: The function aspects a table on top of the stack where to register the global library functions.
initializes and register the math library in the given VM.
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