matrix2d.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
// matrix2.template.h file to make changes.
 
#ifndef PXR_BASE_GF_MATRIX2D_H
#define PXR_BASE_GF_MATRIX2D_H
 
 
#include "pxr/pxr.h"
#include "pxr/base/gf/api.h"
#include "pxr/base/gf/declare.h"
#include "pxr/base/gf/matrixData.h"
#include "pxr/base/gf/vec2d.h"
#include "pxr/base/gf/traits.h"
#include "pxr/base/tf/hash.h"
 
#include <iosfwd>
#include <vector>
 
PXR_NAMESPACE_OPEN_SCOPE
 
template <>
struct GfIsGfMatrix<class GfMatrix2d> { static const bool value = true; };
 
class GfMatrix2d;
class GfMatrix2f;
 
class GfMatrix2d
{
public:
    typedef double ScalarType;
 
    static const size_t numRows = 2;
    static const size_t numColumns = 2;
 
    GfMatrix2d() = default;
 
    GfMatrix2d(double m00, double m01, 
               double m10, double m11) {
        Set(m00, m01, 
            m10, m11);
    }
 
    GfMatrix2d(const double m[2][2]) {
        Set(m);
    }
 
    explicit GfMatrix2d(double s) {
        SetDiagonal(s);
    }
 
    explicit GfMatrix2d(int s) {
        SetDiagonal(s);
    }
 
    explicit GfMatrix2d(const GfVec2d& v) {
        SetDiagonal(v);
    }
 
    GF_API
    explicit GfMatrix2d(const std::vector< std::vector<double> >& v);
 
    GF_API
    explicit GfMatrix2d(const std::vector< std::vector<float> >& v);
 
    GF_API
    explicit GfMatrix2d(const class GfMatrix2f& m);
 
    void SetRow(int i, const GfVec2d & v) {
        _mtx[i][0] = v[0];
        _mtx[i][1] = v[1];
    }
 
    void SetColumn(int i, const GfVec2d & v) {
        _mtx[0][i] = v[0];
        _mtx[1][i] = v[1];
    }
 
    GfVec2d GetRow(int i) const {
        return GfVec2d(_mtx[i][0], _mtx[i][1]);
    }
 
    GfVec2d GetColumn(int i) const {
        return GfVec2d(_mtx[0][i], _mtx[1][i]);
    }
 
    GfMatrix2d& Set(double m00, double m01, 
                    double m10, double m11) {
        _mtx[0][0] = m00; _mtx[0][1] = m01; 
        _mtx[1][0] = m10; _mtx[1][1] = m11;
        return *this;
    }
 
    GfMatrix2d& Set(const double m[2][2]) {
        _mtx[0][0] = m[0][0];
        _mtx[0][1] = m[0][1];
        _mtx[1][0] = m[1][0];
        _mtx[1][1] = m[1][1];
        return *this;
    }
 
    GfMatrix2d& SetIdentity() {
        return SetDiagonal(1);
    }
 
    GfMatrix2d& SetZero() {
        return SetDiagonal(0);
    }
 
    GF_API
    GfMatrix2d& SetDiagonal(double s);
 
    GF_API
    GfMatrix2d& SetDiagonal(const GfVec2d&);
 
    GF_API
    double* Get(double m[2][2]) const;
 
    double* data() {
        return _mtx.GetData();
    }
 
    const double* data() const {
        return _mtx.GetData();
    }
 
    double* GetArray()  {
        return _mtx.GetData();
    }
 
    const double* GetArray() const {
        return _mtx.GetData();
    }
 
    double* operator [](int i) { return _mtx[i]; }
 
    const double* operator [](int i) const { return _mtx[i]; }
 
    friend inline size_t hash_value(GfMatrix2d const &m) {
        return TfHash::Combine(
            m._mtx[0][0],
            m._mtx[0][1],
            m._mtx[1][0],
            m._mtx[1][1]
        );
    }
 
    GF_API
    bool operator ==(const GfMatrix2d& m) const;
 
    GF_API
    bool operator ==(const GfMatrix2f& m) const;
 
    bool operator !=(const GfMatrix2d& m) const {
        return !(*this == m);
    }
 
    bool operator !=(const GfMatrix2f& m) const {
        return !(*this == m);
    }
 
    GF_API
    GfMatrix2d GetTranspose() const;
 
    GF_API
    GfMatrix2d GetInverse(double* det = NULL, double eps = 0) const;
 
    GF_API
    double GetDeterminant() const;
 
 
    GF_API
    GfMatrix2d& operator *=(const GfMatrix2d& m);
 
    GF_API
    GfMatrix2d& operator *=(double);
 
    friend GfMatrix2d operator *(const GfMatrix2d& m1, double d)
    {
        GfMatrix2d m = m1;
        return m *= d;
    }
 
    // Returns the product of a matrix and a double.
    friend GfMatrix2d operator *(double d, const GfMatrix2d& m)
    {
        return m * d;
    }
 
    GF_API
    GfMatrix2d& operator +=(const GfMatrix2d& m);
 
    GF_API
    GfMatrix2d& operator -=(const GfMatrix2d& m);
 
    GF_API
    friend GfMatrix2d operator -(const GfMatrix2d& m);
 
    friend GfMatrix2d operator +(const GfMatrix2d& m1, const GfMatrix2d& m2)
    {
        GfMatrix2d tmp(m1);
        tmp += m2;
        return tmp;
    }
 
    friend GfMatrix2d operator -(const GfMatrix2d& m1, const GfMatrix2d& m2)
    {
        GfMatrix2d tmp(m1);
        tmp -= m2;
        return tmp;
    }
 
    friend GfMatrix2d operator *(const GfMatrix2d& m1, const GfMatrix2d& m2)
    {
        GfMatrix2d tmp(m1);
        tmp *= m2;
        return tmp;
    }
 
    friend GfMatrix2d operator /(const GfMatrix2d& m1, const GfMatrix2d& m2)
    {
        return(m1 * m2.GetInverse());
    }
 
    friend inline GfVec2d operator *(const GfMatrix2d& m, const GfVec2d& vec) {
        return GfVec2d(vec[0] * m._mtx[0][0] + vec[1] * m._mtx[0][1],
                       vec[0] * m._mtx[1][0] + vec[1] * m._mtx[1][1]);
    }
 
    friend inline GfVec2d operator *(const GfVec2d &vec, const GfMatrix2d& m) {
        return GfVec2d(vec[0] * m._mtx[0][0] + vec[1] * m._mtx[1][0],
                       vec[0] * m._mtx[0][1] + vec[1] * m._mtx[1][1]);
    }
 
 
private:
    GfMatrixData<double, 2, 2> _mtx;
 
    // Friend declarations
    friend class GfMatrix2f;
};
 
 
GF_API 
bool GfIsClose(GfMatrix2d const &m1, GfMatrix2d const &m2, double tolerance);
 
GF_API std::ostream& operator<<(std::ostream &, GfMatrix2d const &);
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif // PXR_BASE_GF_MATRIX2D_H