PIKApp/libpikamath/pikamathtypes.h

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2023-09-26 00:35:21 +02:00
/* LIBPIKA - The PIKA Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* pikamathtypes.h
*
* This library is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <https://www.gnu.org/licenses/>.
*/
#ifndef __PIKA_MATH_TYPES_H__
#define __PIKA_MATH_TYPES_H__
#include <libpikabase/pikabasetypes.h>
G_BEGIN_DECLS
typedef struct _PikaMatrix2 PikaMatrix2;
typedef struct _PikaMatrix3 PikaMatrix3;
typedef struct _PikaMatrix4 PikaMatrix4;
/**
* PikaMatrix2
* @coeff: the coefficients
*
* A two by two matrix.
**/
struct _PikaMatrix2
{
gdouble coeff[2][2];
};
/**
* PikaMatrix3
* @coeff: the coefficients
*
* A three by three matrix.
**/
struct _PikaMatrix3
{
gdouble coeff[3][3];
};
/**
* PikaMatrix4
* @coeff: the coefficients
*
* A four by four matrix.
**/
struct _PikaMatrix4
{
gdouble coeff[4][4];
};
typedef struct _PikaVector2 PikaVector2;
typedef struct _PikaVector3 PikaVector3;
typedef struct _PikaVector4 PikaVector4;
/**
* PikaVector2:
* @x: the x axis
* @y: the y axis
*
* A two dimensional vector.
**/
struct _PikaVector2
{
gdouble x, y;
};
/**
* PIKA_TYPE_VECTOR2:
*
* Boxed type representing a two-dimensional vector.
*/
#define PIKA_TYPE_VECTOR2 (pika_vector2_get_type ())
GType pika_vector2_get_type (void) G_GNUC_CONST;
/**
* PikaVector3:
* @x: the x axis
* @y: the y axis
* @z: the z axis
*
* A three dimensional vector.
**/
struct _PikaVector3
{
gdouble x, y, z;
};
/**
* PIKA_TYPE_VECTOR3:
*
* Boxed type representing a three-dimensional vector.
*/
#define PIKA_TYPE_VECTOR3 (pika_vector3_get_type ())
GType pika_vector3_get_type (void) G_GNUC_CONST;
/**
* PikaVector4:
* @x: the x axis
* @y: the y axis
* @z: the z axis
* @w: the w axis
*
* A four dimensional vector.
**/
struct _PikaVector4
{
gdouble x, y, z, w;
};
G_END_DECLS
#endif /* __PIKA_MATH_TYPES_H__ */