135 lines
2.4 KiB
C
135 lines
2.4 KiB
C
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/* LIBPIKA - The PIKA Library
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* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
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*
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* pikamathtypes.h
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*
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* This library is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <https://www.gnu.org/licenses/>.
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*/
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#ifndef __PIKA_MATH_TYPES_H__
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#define __PIKA_MATH_TYPES_H__
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#include <libpikabase/pikabasetypes.h>
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G_BEGIN_DECLS
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typedef struct _PikaMatrix2 PikaMatrix2;
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typedef struct _PikaMatrix3 PikaMatrix3;
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typedef struct _PikaMatrix4 PikaMatrix4;
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/**
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* PikaMatrix2
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* @coeff: the coefficients
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*
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* A two by two matrix.
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**/
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struct _PikaMatrix2
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{
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gdouble coeff[2][2];
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};
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/**
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* PikaMatrix3
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* @coeff: the coefficients
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*
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* A three by three matrix.
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**/
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struct _PikaMatrix3
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{
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gdouble coeff[3][3];
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};
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/**
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* PikaMatrix4
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* @coeff: the coefficients
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*
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* A four by four matrix.
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**/
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struct _PikaMatrix4
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{
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gdouble coeff[4][4];
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};
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typedef struct _PikaVector2 PikaVector2;
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typedef struct _PikaVector3 PikaVector3;
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typedef struct _PikaVector4 PikaVector4;
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/**
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* PikaVector2:
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* @x: the x axis
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* @y: the y axis
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*
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* A two dimensional vector.
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**/
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struct _PikaVector2
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{
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gdouble x, y;
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};
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/**
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* PIKA_TYPE_VECTOR2:
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*
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* Boxed type representing a two-dimensional vector.
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*/
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#define PIKA_TYPE_VECTOR2 (pika_vector2_get_type ())
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GType pika_vector2_get_type (void) G_GNUC_CONST;
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/**
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* PikaVector3:
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* @x: the x axis
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* @y: the y axis
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* @z: the z axis
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*
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* A three dimensional vector.
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**/
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struct _PikaVector3
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{
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gdouble x, y, z;
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};
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/**
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* PIKA_TYPE_VECTOR3:
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*
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* Boxed type representing a three-dimensional vector.
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*/
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#define PIKA_TYPE_VECTOR3 (pika_vector3_get_type ())
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GType pika_vector3_get_type (void) G_GNUC_CONST;
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/**
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* PikaVector4:
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* @x: the x axis
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* @y: the y axis
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* @z: the z axis
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* @w: the w axis
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*
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* A four dimensional vector.
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**/
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struct _PikaVector4
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{
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gdouble x, y, z, w;
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};
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G_END_DECLS
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#endif /* __PIKA_MATH_TYPES_H__ */
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