/usr/include/mialm/miaquaternion.h is in libmialm-dev 1.0.8-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2004-2013 Gert Wollny <gw.fossdev@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* As an exception to this license, "NEC C&C Research Labs" may use
* this software under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation.
*
*/
#ifndef __quaternion_h
#define __quaternion_h
#include <mialm/miavector3d.h>
#define MIA_TYPE_QUATERNION (mia_quaternion_get_type())
#define MIA_QUATERNION(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), MIA_TYPE_QUATERNION, MiaQuaternion))
#define MIA_QUATERNION_CLASS(vtable) (G_TYPE_CHECK_CLASS_CAST((vtable),MIA_TYPE_QUATERNION, MiaQuaternionClass))
#define MIA_IS_QUATERNION(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),MIA_TYPE_QUATERNION))
#define MIA_IS_QUATERNION_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((obj),MIA_TYPE_QUATERNION))
#define MIA_QUATERNION_GET_CLASS(inst) (G_TYPE_INSTANCE_GET_CLASS((inst), MIA_TYPE_QUATERNION, MiaQuaternionClass))
typedef struct _MiaQuaternion MiaQuaternion;
typedef struct _MiaQuaternionClass MiaQuaternionClass;
struct _MiaQuaternionClass
{
MiaVector3dClass parent_class;
};
/**
* MiaQuaternion:
*
* This defines a Quaternion and is used to describe a rotation in 3D space.
*
*/
struct _MiaQuaternion
{
MiaVector3d parent;
/* add your class instance elements here */
gfloat r;
};
/**
* RotMatrix:
*
* A 4x4 matrix used for rotations.
*
*/
typedef float RotMatrix[4][4];
G_BEGIN_DECLS
GType mia_quaternion_get_type (void);
MiaQuaternion *mia_quaternion_new (gfloat x, gfloat y, gfloat z, gfloat w);
MiaQuaternion *mia_quaternion_new_from_eulerrot (const MiaVector3d * axis,
gfloat angle);
MiaQuaternion *mia_quaternion_copy(MiaQuaternion *dest, const MiaQuaternion *src);
MiaQuaternion *mia_quaternion_dup(const MiaQuaternion *org);
void mia_quaternion_get_rotation(MiaQuaternion *self, RotMatrix m);
gboolean mia_quaternion_equal(const MiaQuaternion *a, const MiaQuaternion *b);
void mia_quaternion_normalize(MiaQuaternion *self);
gfloat mia_quaternion_norm(const MiaQuaternion *self);
MiaQuaternion *
mia_quaternion_multby (MiaQuaternion * self, MiaQuaternion * other);
void
mia_quaternion_xmlio_read(ParserState * state, const gchar *property);
gboolean
mia_quaternion_xmlio_write(xmlNodePtr root, xmlNsPtr ns, const gchar * tag,
const MiaQuaternion * q);
gboolean mia_quaternion_test (void);
G_END_DECLS
#endif
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