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diff --git a/thirdparty/thekla_atlas/nvmath/Plane.inl b/thirdparty/thekla_atlas/nvmath/Plane.inl
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-// This code is in the public domain -- Ignacio Castaņo <castano@gmail.com>
-
-#pragma once
-#ifndef NV_MATH_PLANE_INL
-#define NV_MATH_PLANE_INL
-
-#include "Plane.h"
-#include "Vector.inl"
-
-namespace nv
-{
- inline Plane::Plane() {}
- inline Plane::Plane(float x, float y, float z, float w) : v(x, y, z, w) {}
- inline Plane::Plane(const Vector4 & v) : v(v) {}
- inline Plane::Plane(const Vector3 & v, float d) : v(v, d) {}
- inline Plane::Plane(const Vector3 & normal, const Vector3 & point) : v(normal, -dot(normal, point)) {}
- inline Plane::Plane(const Vector3 & v0, const Vector3 & v1, const Vector3 & v2) {
- Vector3 n = cross(v1-v0, v2-v0);
- float d = -dot(n, v0);
- v = Vector4(n, d);
- }
-
- inline const Plane & Plane::operator=(const Plane & p) { v = p.v; return *this; }
-
- inline Vector3 Plane::vector() const { return v.xyz(); }
- inline float Plane::offset() const { return v.w; }
- inline Vector3 Plane::normal() const { return normalize(vector(), 0.0f); }
-
- // Normalize plane.
- inline Plane normalize(const Plane & plane, float epsilon = NV_EPSILON)
- {
- const float len = length(plane.vector());
- const float inv = isZero(len, epsilon) ? 0 : 1.0f / len;
- return Plane(plane.v * inv);
- }
-
- // Get the signed distance from the given point to this plane.
- inline float distance(const Plane & plane, const Vector3 & point)
- {
- return dot(plane.vector(), point) + plane.offset();
- }
-
- inline void Plane::operator*=(float s)
- {
- v *= s;
- }
-
-} // nv namespace
-
-#endif // NV_MATH_PLANE_H