sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 42 insertions, 0 deletions

diff --git a/device/lib/asinf.c b/device/lib/asinf.c
new file mode 100644
index 0000000..478d9c8
--- /dev/null
+++ b/device/lib/asinf.c
@@ -0,0 +1,42 @@
+/*-------------------------------------------------------------------------
+   asinf.c - Computes asin(x)
+
+   Copyright (C) 2001, 2002, Jesus Calvino-Fraga, jesusc@ieee.org
+
+   This library 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 2, 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this library; see the file COPYING. If not, write to the
+   Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
+   MA 02110-1301, USA.
+
+   As a special exception, if you link this library with other files,
+   some of which are compiled with SDCC, to produce an executable,
+   this library does not by itself cause the resulting executable to
+   be covered by the GNU General Public License. This exception does
+   not however invalidate any other reasons why the executable file
+   might be covered by the GNU General Public License.
+-------------------------------------------------------------------------*/
+
+/* Version 1.0 - Initial release */
+
+#include <math.h>
+#include <stdbool.h>
+
+float asincosf(float x, bool isacos);
+
+float asinf(float x) _FLOAT_FUNC_REENTRANT
+{
+         if (x == 1.0) return  HALF_PI;
+    else if (x ==-1.0) return -HALF_PI;
+    else if (x == 0.0) return 0.0;
+    else               return asincosf(x, false);
+}