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Extra Math Functions/Macros
===========================
.. code:: cpp
#include <graphics/math-extra.h>
Helper functions/macros for graphics math.
.. :c:macro:: RAD(val)
Macro that converts a floating point degrees value to radians.
.. :c:macro:: DEG(val)
Macro that converts a floating point radians value to degrees.
**LARGE_EPSILON** 1e-2f
Large epsilon value.
**EPSILON** 1e-4f
Epsilon value.
**TINY_EPSILON** 1e-5f
Tiny Epsilon value.
**M_INFINITE** 3.4e38f
Infinite value
---------------------
.. function:: float rand_float(int positive_only)
Generates a random floating point value (from -1.0f..1.0f, or
0.0f..1.0f if *positive_only* is set).
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