aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/generic/s_cexpf.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/generic/s_cexpf.c')
-rw-r--r--sysdeps/generic/s_cexpf.c125
1 files changed, 0 insertions, 125 deletions
diff --git a/sysdeps/generic/s_cexpf.c b/sysdeps/generic/s_cexpf.c
deleted file mode 100644
index 7b68fc365c..0000000000
--- a/sysdeps/generic/s_cexpf.c
+++ /dev/null
@@ -1,125 +0,0 @@
-/* Return value of complex exponential function for float complex 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 <fenv.h>
-#include <math.h>
-
-#include "math_private.h"
-
-
-__complex__ float
-__cexpf (__complex__ float x)
-{
- __complex__ float retval;
- int rcls = fpclassify (__real__ x);
- int icls = fpclassify (__imag__ x);
-
- if (rcls >= FP_ZERO)
- {
- /* Real part is finite. */
- if (icls >= FP_ZERO)
- {
- /* Imaginary part is finite. */
- float exp_val = __ieee754_expf (__real__ x);
- float sinix, cosix;
-
- __sincosf (__imag__ x, &sinix, &cosix);
-
- if (isfinite (exp_val))
- {
- __real__ retval = exp_val * cosix;
- __imag__ retval = exp_val * sinix;
- }
- else
- {
- __real__ retval = __copysignf (exp_val, cosix);
- __imag__ retval = __copysignf (exp_val, sinix);
- }
- }
- else
- {
- /* If the imaginary part is +-inf or NaN and the real part
- is not +-inf the result is NaN + iNaN. */
- __real__ retval = __nanf ("");
- __imag__ retval = __nanf ("");
-
-#ifdef FE_INVALID
- feraiseexcept (FE_INVALID);
-#endif
- }
- }
- else if (rcls == FP_INFINITE)
- {
- /* Real part is infinite. */
- if (icls >= FP_ZERO)
- {
- /* Imaginary part is finite. */
- float value = signbit (__real__ x) ? 0.0 : HUGE_VALF;
-
- if (icls == FP_ZERO)
- {
- /* Imaginary part is 0.0. */
- __real__ retval = value;
- __imag__ retval = __imag__ x;
- }
- else
- {
- float sinix, cosix;
-
- __sincosf (__imag__ x, &sinix, &cosix);
-
- __real__ retval = __copysignf (value, cosix);
- __imag__ retval = __copysignf (value, sinix);
- }
- }
- else if (signbit (__real__ x) == 0)
- {
- __real__ retval = HUGE_VALF;
- __imag__ retval = __nanf ("");
-
-#ifdef FE_INVALID
- if (icls == FP_INFINITE)
- feraiseexcept (FE_INVALID);
-#endif
- }
- else
- {
- __real__ retval = 0.0;
- __imag__ retval = __copysignf (0.0, __imag__ x);
- }
- }
- else
- {
- /* If the real part is NaN the result is NaN + iNaN. */
- __real__ retval = __nanf ("");
- __imag__ retval = __nanf ("");
-
-#ifdef FE_INVALID
- if (rcls != FP_NAN || icls != FP_NAN)
- feraiseexcept (FE_INVALID);
-#endif
- }
-
- return retval;
-}
-#ifndef __cexpf
-weak_alias (__cexpf, cexpf)
-#endif