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-rw-r--r--math/s_catanf.c87
1 files changed, 0 insertions, 87 deletions
diff --git a/math/s_catanf.c b/math/s_catanf.c
deleted file mode 100644
index 25eec2b1b5..0000000000
--- a/math/s_catanf.c
+++ /dev/null
@@ -1,87 +0,0 @@
-/* Return arc tangent of complex float value.
- Copyright (C) 1997 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-
- 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 <complex.h>
-#include <math.h>
-
-#include "math_private.h"
-
-
-__complex__ float
-__catanf (__complex__ float x)
-{
- __complex__ float res;
- int rcls = fpclassify (__real__ x);
- int icls = fpclassify (__imag__ x);
-
- if (rcls <= FP_INFINITE || icls <= FP_INFINITE)
- {
- if (rcls == FP_INFINITE)
- {
- __real__ res = __copysignf (M_PI_2, __real__ x);
- __imag__ res = __copysignf (0.0, __imag__ x);
- }
- else if (icls == FP_INFINITE)
- {
- if (rcls >= FP_ZERO)
- __real__ res = __copysignf (M_PI_2, __real__ x);
- else
- __real__ res = __nanf ("");
- __imag__ res = __copysignf (0.0, __imag__ x);
- }
- else if (icls == FP_ZERO || icls == FP_INFINITE)
- {
- __real__ res = __nanf ("");
- __imag__ res = __copysignf (0.0, __imag__ x);
- }
- else
- {
- __real__ res = __nanf ("");
- __imag__ res = __nanf ("");
- }
- }
- else if (rcls == FP_ZERO && icls == FP_ZERO)
- {
- res = x;
- }
- else
- {
- float r2, num, den;
-
- r2 = __real__ x * __real__ x;
-
- den = 1 - r2 - __imag__ x * __imag__ x;
-
- __real__ res = 0.5 * __ieee754_atan2f (2.0 * __real__ x, den);
-
- num = __imag__ x + 1.0;
- num = r2 + num * num;
-
- den = __imag__ x - 1.0;
- den = r2 + den * den;
-
- __imag__ res = 0.25 * __ieee754_logf (num / den);
- }
-
- return res;
-}
-#ifndef __catanf
-weak_alias (__catanf, catanf)
-#endif