From ea1947ffcc606d757357398b24e74a3f4ecefa07 Mon Sep 17 00:00:00 2001
From: neonloop
Date: Wed, 20 Oct 2021 14:54:27 +0000
Subject: Initial commit from steward-fu release

---
 core/include/fmath.h | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 core/include/fmath.h

(limited to 'core/include/fmath.h')

diff --git a/core/include/fmath.h b/core/include/fmath.h
new file mode 100644
index 0000000..154d4bb
--- /dev/null
+++ b/core/include/fmath.h
@@ -0,0 +1,62 @@
+/*
+ *  Copyright © 2006-2013 SplinterGU (Fenix/Bennugd)
+ *  Copyright © 2002-2006 Fenix Team (Fenix)
+ *  Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix)
+ *
+ *  This file is part of Bennu - Game Development
+ *
+ *  This software is provided 'as-is', without any express or implied
+ *  warranty. In no event will the authors be held liable for any damages
+ *  arising from the use of this software.
+ *
+ *  Permission is granted to anyone to use this software for any purpose,
+ *  including commercial applications, and to alter it and redistribute it
+ *  freely, subject to the following restrictions:
+ *
+ *     1. The origin of this software must not be misrepresented; you must not
+ *     claim that you wrote the original software. If you use this software
+ *     in a product, an acknowledgment in the product documentation would be
+ *     appreciated but is not required.
+ *
+ *     2. Altered source versions must be plainly marked as such, and must not be
+ *     misrepresented as being the original software.
+ *
+ *     3. This notice may not be removed or altered from any source
+ *     distribution.
+ *
+ */
+
+#ifndef _FMATH_H
+#define _FMATH_H
+
+#include <math.h>
+
+#include "bgdcore.h"
+
+/* Rutinas matemáticas de punto fijo, basadas en Allegro */
+
+#ifndef M_PI
+#define M_PI        3.14159265358979323846  /* PI */
+#endif
+
+#ifndef ABS
+#define ABS(x)  (((x) < 0) ? -(x):(x))
+#endif
+#ifndef SGN
+#define SGN(a)  (((a) < 0) ? -1 : !(a) ? 0 : 1)
+#endif
+
+typedef long int fixed ;
+
+extern fixed ftofix( float x );
+extern float fixtof( fixed x );
+extern fixed itofix( int x );
+extern int fixtoi( fixed x );
+extern int fixceil( fixed x );
+extern fixed fcos( int x );
+extern fixed fsin( int x );
+extern fixed fmul( int x, int y );
+extern fixed fdiv( int x, int y );
+extern void init_cos_tables();
+
+#endif
-- 
cgit v1.2.3