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-rw-r--r--sysdeps/m68k/fpu/e_atan2.c104
1 files changed, 0 insertions, 104 deletions
diff --git a/sysdeps/m68k/fpu/e_atan2.c b/sysdeps/m68k/fpu/e_atan2.c
deleted file mode 100644
index 551b14db81..0000000000
--- a/sysdeps/m68k/fpu/e_atan2.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/* Copyright (C) 1997, 1999 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"
-#include "mathimpl.h"
-
-#ifndef SUFF
-#define SUFF
-#endif
-#ifndef float_type
-#define float_type double
-#endif
-
-#define CONCATX(a,b) __CONCAT(a,b)
-#define s(name) CONCATX(name,SUFF)
-#define m81(func) __m81_u(s(func))
-
-float_type
-s(__ieee754_atan2) (float_type y, float_type x)
-{
- float_type pi, pi_2, z;
- unsigned long y_cond, x_cond;
-
- __asm ("fmovecr%.x %#0, %0" : "=f" (pi));
- __asm ("fscale%.w %#-1, %0" : "=f" (pi_2) : "0" (pi));
- y_cond = __m81_test (y);
- x_cond = __m81_test (x);
-
- if ((x_cond | y_cond) & __M81_COND_NAN)
- z = x + y;
- else if (y_cond & __M81_COND_ZERO)
- {
- if (x_cond & __M81_COND_NEG)
- z = y_cond & __M81_COND_NEG ? -pi : pi;
- else
- z = y;
- }
- else if (x_cond & __M81_COND_INF)
- {
- if (y_cond & __M81_COND_INF)
- {
- float_type pi_4;
- __asm ("fscale%.w %#-2, %0" : "=f" (pi_4) : "0" (pi));
- z = x_cond & __M81_COND_NEG ? 3 * pi_4 : pi_4;
- }
- else
- z = x_cond & __M81_COND_NEG ? pi : 0;
- if (y_cond & __M81_COND_NEG)
- z = -z;
- }
- else if (y_cond & __M81_COND_INF)
- z = y_cond & __M81_COND_NEG ? -pi_2 : pi_2;
- else if (x_cond & __M81_COND_NEG)
- {
- if (y_cond & __M81_COND_NEG)
- {
- if (-x > -y)
- z = -pi + m81(__atan) (y / x);
- else
- z = -pi_2 - m81(__atan) (x / y);
- }
- else
- {
- if (-x > y)
- z = pi + m81(__atan) (y / x);
- else
- z = pi_2 - m81(__atan) (x / y);
- }
- }
- else
- {
- if (y_cond & __M81_COND_NEG)
- {
- if (x > -y)
- z = m81(__atan) (y / x);
- else
- z = -pi_2 - m81(__atan) (x / y);
- }
- else
- {
- if (x > y)
- z = m81(__atan) (y / x);
- else
- z = pi_2 - m81(__atan) (x / y);
- }
- }
- return z;
-}