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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sysdeps/generic/s_csin.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'sysdeps/generic/s_csin.c')
-rw-r--r--sysdeps/generic/s_csin.c131
1 files changed, 0 insertions, 131 deletions
diff --git a/sysdeps/generic/s_csin.c b/sysdeps/generic/s_csin.c
deleted file mode 100644
index eb380e2c3f..0000000000
--- a/sysdeps/generic/s_csin.c
+++ /dev/null
@@ -1,131 +0,0 @@
-/* Complex sine function for double.
- 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 <fenv.h>
-#include <math.h>
-
-#include "math_private.h"
-
-
-__complex__ double
-__csin (__complex__ double x)
-{
- __complex__ double retval;
- int negate = signbit (__real__ x);
- int rcls = fpclassify (__real__ x);
- int icls = fpclassify (__imag__ x);
-
- __real__ x = fabs (__real__ x);
-
- if (icls >= FP_ZERO)
- {
- /* Imaginary part is finite. */
- if (rcls >= FP_ZERO)
- {
- /* Real part is finite. */
- double sinh_val = __ieee754_sinh (__imag__ x);
- double cosh_val = __ieee754_cosh (__imag__ x);
- double sinix, cosix;
-
- __sincos (__real__ x, &sinix, &cosix);
-
- __real__ retval = cosh_val * sinix;
- __imag__ retval = sinh_val * cosix;
-
- if (negate)
- __real__ retval = -__real__ retval;
- }
- else
- {
- if (icls == FP_ZERO)
- {
- /* Imaginary part is 0.0. */
- __real__ retval = __nan ("");
- __imag__ retval = __imag__ x;
-
-#ifdef FE_INVALID
- if (rcls == FP_INFINITE)
- feraiseexcept (FE_INVALID);
-#endif
- }
- else
- {
- __real__ retval = __nan ("");
- __imag__ retval = __nan ("");
-
-#ifdef FE_INVALID
- feraiseexcept (FE_INVALID);
-#endif
- }
- }
- }
- else if (icls == FP_INFINITE)
- {
- /* Imaginary part is infinite. */
- if (rcls == FP_ZERO)
- {
- /* Real part is 0.0. */
- __real__ retval = __copysign (0.0, negate ? -1.0 : 1.0);
- __imag__ retval = __imag__ x;
- }
- else if (rcls > FP_ZERO)
- {
- /* Real part is finite. */
- double sinix, cosix;
-
- __sincos (__real__ x, &sinix, &cosix);
-
- __real__ retval = __copysign (HUGE_VAL, sinix);
- __imag__ retval = __copysign (HUGE_VAL, cosix);
-
- if (negate)
- __real__ retval = -__real__ retval;
- if (signbit (__imag__ x))
- __imag__ retval = -__imag__ retval;
- }
- else
- {
- /* The addition raises the invalid exception. */
- __real__ retval = __nan ("");
- __imag__ retval = HUGE_VAL;
-
-#ifdef FE_INVALID
- if (rcls == FP_INFINITE)
- feraiseexcept (FE_INVALID);
-#endif
- }
- }
- else
- {
- if (rcls == FP_ZERO)
- __real__ retval = __copysign (0.0, negate ? -1.0 : 1.0);
- else
- __real__ retval = __nan ("");
- __imag__ retval = __nan ("");
- }
-
- return retval;
-}
-weak_alias (__csin, csin)
-#ifdef NO_LONG_DOUBLE
-strong_alias (__csin, __csinl)
-weak_alias (__csin, csinl)
-#endif