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view interps/cfunge/cfunge-src/src/vector.h @ 12514:500486b20e41 draft default tip
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author | HackEso <hackeso@esolangs.org> |
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date | Fri, 27 Sep 2024 20:43:06 +0100 |
parents | 859f9b4339e6 |
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/* -*- mode: C; coding: utf-8; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- * * cfunge - A standard-conforming Befunge93/98/109 interpreter in C. * Copyright (C) 2008-2009 Arvid Norlander <anmaster AT tele2 DOT se> * * 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 the proxy's option) any later version. Arvid Norlander is a * proxy who can decide which future versions of the GNU General Public * License can be used. * * 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, see <http://www.gnu.org/licenses/>. */ /** * @file * Definition of, and functions for, a Funge vector. */ #ifndef FUNGE_HAD_SRC_VECTOR_H #define FUNGE_HAD_SRC_VECTOR_H #include "global.h" #include <stdbool.h> /// A vector in Funge-Space typedef struct s_funge_vector { funge_cell x; ///< You should be able to guess what this is. funge_cell y; ///< You should be able to guess what this is. } funge_vector; /// Useful to create a vector in a list of parameter for example. /// The vector is created on the stack. /// @param a This should be the x value. /// @param b This should be the y value. /// @return A pointer to a vector allocated on the stack, so no need to free it. #define vector_create_ref(a, b) (& (funge_vector) { .x = (a), .y = (b) }) /** * Checks if vector is cardinal (as in ^>v<). * @param v The vector to check. */ FUNGE_ATTR_PURE FUNGE_ATTR_FAST FUNGE_ATTR_WARN_UNUSED bool vector_is_cardinal(const funge_vector * restrict v); #endif