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-rw-r--r--sysdeps/m68k/fpu/k_cos.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/sysdeps/m68k/fpu/k_cos.c b/sysdeps/m68k/fpu/k_cos.c
new file mode 100644
index 0000000000..dd6c215c23
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+++ b/sysdeps/m68k/fpu/k_cos.c
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+/* Copyright (C) 1996, 1997 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 "math_private.h"
+
+#ifndef FUNC
+#define FUNC cos
+#endif
+#ifndef float_type
+#define float_type double
+#endif
+
+#define __CONCATX(a,b) __CONCAT(a,b)
+
+float_type
+__CONCATX(__kernel_,FUNC) (x, y)
+ float_type x;
+ float_type y;
+{
+ float_type sin_x, cos_x, sin_y, cos_y;
+ __asm__ __volatile__ ("fsincosx %2,%0:%1" : "=f" (cos_x), "=f" (sin_x)
+ : "f" (x));
+ __asm__ __volatile__ ("fsincosx %2,%0:%1" : "=f" (cos_y), "=f" (sin_y)
+ : "f" (y));
+ return cos_x * cos_y - sin_x * sin_y;
+}