Mercurial > molko
view src/libmlk-core/core/maths.c @ 347:0969931b98e4
core: start removing POSIX APIs
author | David Demelier <markand@malikania.fr> |
---|---|
date | Tue, 19 Oct 2021 13:23:30 +0200 |
parents | 8f9937403749 |
children | 460c78706989 |
line wrap: on
line source
/* * maths.c -- basic maths * * Copyright (c) 2020-2021 David Demelier <markand@malikania.fr> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "maths.h" int maths_is_boxed(int x, int y, unsigned int w, unsigned int h, int px, int py) { return px > x && py > y && px < x + (int)w && py < y + (int)h; } float maths_scale(float in, float old_min, float old_max, float new_min, float new_max) { return (in / ((old_max - old_min) / (new_max - new_min))) + new_min; }