/usr/include/glm/gtx/spline.inl is in libglm-dev 0.9.9~a2-2.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | /// @ref gtx_spline
/// @file glm/gtx/spline.inl
namespace glm
{
template<typename genType>
GLM_FUNC_QUALIFIER genType catmullRom
(
genType const& v1,
genType const& v2,
genType const& v3,
genType const& v4,
typename genType::value_type const& s
)
{
typename genType::value_type s2 = pow2(s);
typename genType::value_type s3 = pow3(s);
typename genType::value_type f1 = -s3 + typename genType::value_type(2) * s2 - s;
typename genType::value_type f2 = typename genType::value_type(3) * s3 - typename genType::value_type(5) * s2 + typename genType::value_type(2);
typename genType::value_type f3 = typename genType::value_type(-3) * s3 + typename genType::value_type(4) * s2 + s;
typename genType::value_type f4 = s3 - s2;
return (f1 * v1 + f2 * v2 + f3 * v3 + f4 * v4) / typename genType::value_type(2);
}
template<typename genType>
GLM_FUNC_QUALIFIER genType hermite
(
genType const& v1,
genType const& t1,
genType const& v2,
genType const& t2,
typename genType::value_type const& s
)
{
typename genType::value_type s2 = pow2(s);
typename genType::value_type s3 = pow3(s);
typename genType::value_type f1 = typename genType::value_type(2) * s3 - typename genType::value_type(3) * s2 + typename genType::value_type(1);
typename genType::value_type f2 = typename genType::value_type(-2) * s3 + typename genType::value_type(3) * s2;
typename genType::value_type f3 = s3 - typename genType::value_type(2) * s2 + s;
typename genType::value_type f4 = s3 - s2;
return f1 * v1 + f2 * v2 + f3 * t1 + f4 * t2;
}
template<typename genType>
GLM_FUNC_QUALIFIER genType cubic
(
genType const& v1,
genType const& v2,
genType const& v3,
genType const& v4,
typename genType::value_type const& s
)
{
return ((v1 * s + v2) * s + v3) * s + v4;
}
}//namespace glm
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