dust3d/third_party/libigl/include/igl/normalize_quat.h

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// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla Public License
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
// obtain one at http://mozilla.org/MPL/2.0/.
#ifndef IGL_NORMALIZE_QUAT_H
#define IGL_NORMALIZE_QUAT_H
#include "igl_inline.h"
namespace igl
{
// Normalize a quaternion
// A Quaternion, q, is defined here as an arrays of four scalars (x,y,z,w),
// such that q = x*i + y*j + z*k + w
// Inputs:
// q input quaternion
// Outputs:
// out result of normalization, allowed to be same as q
// Returns true on success, false if len(q) < EPS
template <typename Q_type>
IGL_INLINE bool normalize_quat(
const Q_type *q,
Q_type *out);
};
#ifndef IGL_STATIC_LIBRARY
# include "normalize_quat.cpp"
#endif
#endif