diff src/libm/math.h @ 2756:a98604b691c8

Expanded the libm support and put it into a separate directory.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 15 Sep 2008 06:33:23 +0000
parents
children 95fccd9bf262
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/libm/math.h	Mon Sep 15 06:33:23 2008 +0000
@@ -0,0 +1,44 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2006 Sam Lantinga
+
+    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 2.1 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, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#ifdef HAVE_MATH_H
+#include <math.h>
+#else
+
+extern double __ieee754_log(double x);
+extern double __ieee754_pow(double x, double y);
+extern double __ieee754_sqrt(double x);
+
+#define log(x)      __ieee754_log(x)
+#define pow(x, y)   __ieee754_pow(x, y)
+#define sqrt(x)     __ieee754_sqrt(x)
+
+extern double copysign(double x, double y);
+extern double cos(double x);
+extern double fabs(double x);
+extern double scalbn(double x, int n);
+extern double sin(double x);
+
+#endif /* HAVE_MATH_H */
+
+/* vi: set ts=4 sw=4 expandtab: */