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++ // Copyright 2009-2021 Intel Corporation
++ // SPDX-License-Identifier: Apache-2.0
++
++ #pragma once
++
++ #include "../common/default.h"
++ #include "bezier_curve.h"
++
++ namespace embree
++ {
++ template<typename Vertex>
++ struct HermiteCurveT : BezierCurveT<Vertex>
++ {
++ __forceinline HermiteCurveT() {}
++
++ __forceinline HermiteCurveT(const BezierCurveT<Vertex>& curve)
++ : BezierCurveT<Vertex>(curve) {}
++
++ __forceinline HermiteCurveT(const Vertex& v0, const Vertex& t0, const Vertex& v1, const Vertex& t1)
++ : BezierCurveT<Vertex>(v0,madd(1.0f/3.0f,t0,v0),nmadd(1.0f/3.0f,t1,v1),v1) {}
++
++ __forceinline HermiteCurveT<Vec3ff> xfm_pr(const LinearSpace3fa& space, const Vec3fa& p) const
++ {
++ const Vec3ff q0(xfmVector(space,this->v0-p), this->v0.w);
++ const Vec3ff q1(xfmVector(space,this->v1-p), this->v1.w);
++ const Vec3ff q2(xfmVector(space,this->v2-p), this->v2.w);
++ const Vec3ff q3(xfmVector(space,this->v3-p), this->v3.w);
++ return BezierCurveT<Vec3ff>(q0,q1,q2,q3);
++ }
++ };
++
++ template<typename CurveGeometry>
++ __forceinline HermiteCurveT<Vec3ff> enlargeRadiusToMinWidth(const IntersectContext* context, const CurveGeometry* geom, const Vec3fa& ray_org, const HermiteCurveT<Vec3ff>& curve) {
++ return HermiteCurveT<Vec3ff>(enlargeRadiusToMinWidth(context,geom,ray_org,BezierCurveT<Vec3ff>(curve)));
++ }
++
++ typedef HermiteCurveT<Vec3fa> HermiteCurve3fa;
++ }
++