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Add a comment about the evaluation order in VectorShear.

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Bill Currie 2012-05-10 11:40:29 +09:00
parent de131c18ad
commit 1473dbd526
1 changed files with 3 additions and 0 deletions
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include/QF/mathlib.h
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@ -113,6 +113,9 @@ extern const vec_t *const quat_origin;
The reason for this particular scheme is that is how Mat4Decompose The reason for this particular scheme is that is how Mat4Decompose
calculates the shear from a matrix. calculates the shear from a matrix.
\note The order of calculations is important for when b and c refer to
the same vector.
*/ */
#define VectorShear(a,b,c) \ #define VectorShear(a,b,c) \
do { \ do { \