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

34 lines
943 B
C++

// 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_AXIS_ANGLE_TO_QUAT_H
#define IGL_AXIS_ANGLE_TO_QUAT_H
#include "igl_inline.h"
namespace igl
{
// Convert axis angle representation of a rotation to 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:
// axis 3d vector
// angle scalar
// Outputs:
// quaternion
template <typename Q_type>
IGL_INLINE void axis_angle_to_quat(
const Q_type *axis,
const Q_type angle,
Q_type *out);
}
#ifndef IGL_STATIC_LIBRARY
# include "axis_angle_to_quat.cpp"
#endif
#endif