1 files changed, 44 insertions, 2 deletions
diff --git a/ports/sysdeps/m68k/m680x0/fpu/s_expm1.c b/ports/sysdeps/m68k/m680x0/fpu/s_expm1.c
index 1ef99e21c..3db6f2d16 100644
--- a/ports/sysdeps/m68k/m680x0/fpu/s_expm1.c
+++ b/ports/sysdeps/m68k/m680x0/fpu/s_expm1.c
@@ -1,2 +1,44 @@
-#define	FUNC	expm1
-#include <s_atan.c>
+/* Copyright (C) 2012 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C 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.
+
+   The GNU C 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 the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <math.h>
+#include <errno.h>
+#include "mathimpl.h"
+
+#ifndef FUNC
+# define FUNC expm1
+#endif
+#ifndef float_type
+# define float_type double
+#endif
+#ifndef o_threshold
+# define o_threshold 7.09782712893383973096e+02
+#endif
+
+#define CONCATX(a,b) __CONCAT(a,b)
+
+float_type
+CONCATX(__,FUNC) (float_type x)
+{
+  if ((__m81_test (x) & __M81_COND_INF) == 0 && isgreater (x, o_threshold))
+    __set_errno (ERANGE);
+  return __m81_u(CONCATX(__, FUNC)) (x);
+}
+
+#define weak_aliasx(a, b) weak_alias(a, b)
+weak_aliasx (CONCATX(__, FUNC), FUNC)