New upstream version 21.0.2+dfsg1

docs/sphinx/reference-libobs-graphics-math.rst

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+Extra Math Functions/Macros
+===========================
+
+.. code:: 
+
+   #include <graphics/math-extra.h>
+
+Helper functions/macros for graphics math.
+
+.. function:: RAD(val)
+
+   Macro that converts a floating point degrees value to radians.
+
+.. function:: 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).