Remove unncessary divisions for mat inverses #149
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Groovounet
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Remove unncessary divisions for mat inverses
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There were many divisions taking place, especially for the mat3 and mat4 types. This should speed things up a bit by preferring multiplications over divisions.
The bottom of the file already checks that the template type T is always a floating point type, so we won't need to worry about the integral division round off.