quatd.h

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//
// Copyright 2016 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
// This file is generated by a script.  Do not edit directly.  Edit the
// quat.template.h file to make changes.
 
#ifndef PXR_BASE_GF_QUATD_H
#define PXR_BASE_GF_QUATD_H
 
 
#include "pxr/pxr.h"
#include "pxr/base/gf/api.h"
#include "pxr/base/gf/declare.h"
#include "pxr/base/gf/vec3d.h"
#include "pxr/base/gf/traits.h"
#include "pxr/base/tf/hash.h"
 
#include <iosfwd>
 
PXR_NAMESPACE_OPEN_SCOPE
 
template <>
struct GfIsGfQuat<class GfQuatd> { static const bool value = true; };
 
 
double GfDot(const GfQuatd& q1, const GfQuatd& q2);
 
 
class GfQuatd
{
  public:
    typedef double ScalarType;
    typedef GfVec3d ImaginaryType;
 
    GfQuatd() = default;
 
    explicit GfQuatd (double realVal) : _imaginary(0), _real(realVal) {}
 
    GfQuatd(double real, double i, double j, double k)
        : _imaginary(i, j, k), _real(real)
    {
    }
 
    GfQuatd(double real, const GfVec3d &imaginary)
        : _imaginary(imaginary), _real(real)
    {
    }
 
    GF_API
    GfQuatd(class GfQuatf const &other);
    GF_API
    GfQuatd(class GfQuath const &other);
 
    static GfQuatd GetZero() { return GfQuatd(0.0); }
 
    static GfQuatd GetIdentity() { return GfQuatd(1.0); }
 
    double GetReal() const { return _real; }
 
    void SetReal(double real) { _real = real; }
 
    const GfVec3d &GetImaginary() const { return _imaginary; }
 
    void SetImaginary(const GfVec3d &imaginary) {
        _imaginary = imaginary;
    }
 
    void SetImaginary(double i, double j, double k) {
        _imaginary.Set(i, j, k);
    }
 
    double GetLength() const { return GfSqrt(_GetLengthSquared()); }
 
    GfQuatd
    GetNormalized(double eps = GF_MIN_VECTOR_LENGTH) const {
        GfQuatd ret(*this);
        ret.Normalize(eps);
        return ret;
    }
 
    GF_API
    double Normalize(double eps = GF_MIN_VECTOR_LENGTH);
 
    GfQuatd GetConjugate() const {
        return GfQuatd(GetReal(), -GetImaginary());
    }
 
    GfQuatd GetInverse() const {
        return GetConjugate() / _GetLengthSquared();
    }
 
    GF_API
    GfVec3d Transform(const GfVec3d& point) const;
 
    friend inline size_t hash_value(const GfQuatd &q) {
        return TfHash::Combine(q.GetReal(), q.GetImaginary());
    }
 
    GfQuatd operator-() const {
        return GfQuatd(-GetReal(), -GetImaginary());
    }
 
    bool operator==(const GfQuatd &q) const {
        return (GetReal() == q.GetReal() &&
                GetImaginary() == q.GetImaginary());
    }
 
    bool operator!=(const GfQuatd &q) const {
        return !(*this == q);
    }
 
    GF_API
    GfQuatd &operator *=(const GfQuatd &q);
 
    GfQuatd &operator *=(double s) {
        _real *= s;
        _imaginary *= s;
        return *this;
    }
 
    GfQuatd &operator /=(double s) {
        _real /= s;
        _imaginary /= s;
        return *this;
    }
 
    GfQuatd &operator +=(const GfQuatd &q) {
        _real += q._real;
        _imaginary += q._imaginary;
        return *this;
    }
 
    GfQuatd &operator -=(const GfQuatd &q)  {
        _real -= q._real;
        _imaginary -= q._imaginary;
        return *this;
    }
 
    friend GfQuatd
    operator +(const GfQuatd &q1, const GfQuatd &q2) {
        return GfQuatd(q1) += q2;
    }
 
    friend GfQuatd
    operator -(const GfQuatd &q1, const GfQuatd &q2) {
        return GfQuatd(q1) -= q2;
    }
 
    friend GfQuatd
    operator *(const GfQuatd &q1, const GfQuatd &q2) {
        return GfQuatd(q1) *= q2;
    }
 
    friend GfQuatd
    operator *(const GfQuatd &q, double s) {
        return GfQuatd(q) *= s;
    }
 
    friend GfQuatd
    operator *(double s, const GfQuatd &q) {
        return GfQuatd(q) *= s;
    }
 
    friend GfQuatd
    operator /(const GfQuatd &q, double s) {
        return GfQuatd(q) /= s;
    }
 
  private:
    GfVec3d _imaginary;
 
    double _real;
 
    double
    _GetLengthSquared() const {
        return GfDot(*this, *this);
    }
};
 
GF_API GfQuatd
GfSlerp(double alpha, const GfQuatd& q0, const GfQuatd& q1);
 
GF_API GfQuatd
GfSlerp(const GfQuatd& q0, const GfQuatd& q1, double alpha);
 
inline double
GfDot(GfQuatd const &q1, GfQuatd const &q2) {
    return GfDot(q1.GetImaginary(), q2.GetImaginary()) +
                 q1.GetReal()*q2.GetReal();
}
 
GF_API std::ostream& operator<<(std::ostream &, GfQuatd const &);
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif // PXR_BASE_GF_QUATD_H