/usr/include/glm/gtx/perpendicular.inl is in libglm-dev 0.9.8.3-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | /// @ref gtx_perpendicular
/// @file glm/gtx/perpendicular.inl
namespace glm
{
template <typename vecType>
GLM_FUNC_QUALIFIER vecType perp
(
vecType const & x,
vecType const & Normal
)
{
return x - proj(x, Normal);
}
}//namespace glm
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