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a/math: Add m_vec3_inverse()

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Part-of: <https://gitlab.freedesktop.org/monado/monado/-/merge_requests/2188>
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Jan Schmidt 2023-08-07 02:31:50 +10:00 committed by Marge Bot
parent ab5b21de8e
commit 1bfd5ed0cd
1 changed files with 7 additions and 0 deletions
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7
src/xrt/auxiliary/math/m_vec3.h
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@ -67,6 +67,13 @@ m_vec3_div_scalar(struct xrt_vec3 l, float r)
return ret; return ret;
} }
static inline struct xrt_vec3
m_vec3_inverse(struct xrt_vec3 v)
{
struct xrt_vec3 ret = {-v.x, -v.y, -v.z};
return ret;
}
static inline float static inline float
m_vec3_dot(struct xrt_vec3 l, struct xrt_vec3 r) m_vec3_dot(struct xrt_vec3 l, struct xrt_vec3 r)
{ {