* device/lib/pic/libm: NEW, added math library functions

[fw/sdcc] / device / lib / pic / libsdcc / fs2sint.c

diff --git a/device/lib/pic/libsdcc/fs2sint.c b/device/lib/pic/libsdcc/fs2sint.c
new file mode 100644 (file)
index 0000000..e6fe0e9
--- /dev/null
+++ b/device/lib/pic/libsdcc/fs2sint.c
@@ -0,0 +1,45 @@
+/*-------------------------------------------------------------------------
+   fs2sint.c :- 
+
+   Adopted for float and pic16 port by
+       - Vangelis Rokas, vrokas@otenet.gr (2004)
+
+   This library is free software; you can redistribute it and/or modify it
+   under the terms of the GNU Library 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 Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+   In other words, you are welcome to use, share and improve this program.
+   You are forbidden to forbid anyone else to use, share and improve
+   what you give them.   Help stamp out software-hoarding!
+
+
+-------------------------------------------------------------------------*/
+
+
+/*
+** $Id: fs2sint.c 3513 2004-10-01 14:49:51Z vrokas $
+*/
+
+
+#include <float.h>
+
+/* convert float to signed int */
+signed int __fs2sint (float f) _FS_REENTRANT
+{
+  signed long sl=__fs2slong(f);
+  if (sl>=INT_MAX)
+    return INT_MAX;
+  if (sl<=INT_MIN) 
+    return -INT_MIN;
+  return sl;
+}