shear.h

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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#ifndef FLUTTER_IMPELLER_GEOMETRY_SHEAR_H_
#define FLUTTER_IMPELLER_GEOMETRY_SHEAR_H_
 
#include <string>
 
namespace impeller {
 
struct Shear {
  union {
    struct {
      double xy = 0.0;
      double xz = 0.0;
      double yz = 0.0;
    };
    double e[3];
  };
 
  Shear() {}
 
  Shear(double xy, double xz, double yz) : xy(xy), xz(xz), yz(yz) {}
 
  bool operator==(const Shear& o) const {
    return xy == o.xy && xz == o.xz && yz == o.yz;
  }
};
 
}  // namespace impeller
 
#endif  // FLUTTER_IMPELLER_GEOMETRY_SHEAR_H_