summaryrefslogtreecommitdiff
path: root/sysdeps/libm-ieee754/s_cexpl.c
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
committerUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
commitabfbdde177c3a7155070dda1b2cdc8292054cc26 (patch)
treee021306b596381fbf8311d2b7eb294e918ff17c8 /sysdeps/libm-ieee754/s_cexpl.c
parent86421aa57ecfd70963ae66848bd6a6dd3b8e0fe6 (diff)
Update.
Diffstat (limited to 'sysdeps/libm-ieee754/s_cexpl.c')
-rw-r--r--sysdeps/libm-ieee754/s_cexpl.c123
1 files changed, 0 insertions, 123 deletions
diff --git a/sysdeps/libm-ieee754/s_cexpl.c b/sysdeps/libm-ieee754/s_cexpl.c
deleted file mode 100644
index 67fa7a08b9..0000000000
--- a/sysdeps/libm-ieee754/s_cexpl.c
+++ /dev/null
@@ -1,123 +0,0 @@
-/* Return value of complex exponential function for long double 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 Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. 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__ long double
-__cexpl (__complex__ long double x)
-{
- __complex__ long double 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. */
- long double exp_val = __ieee754_expl (__real__ x);
- long double sinix, cosix;
-
- __sincosl (__imag__ x, &sinix, &cosix);
-
- if (isfinite (exp_val))
- {
- __real__ retval = exp_val * cosix;
- __imag__ retval = exp_val * sinix;
- }
- else
- {
- __real__ retval = __copysignl (exp_val, cosix);
- __imag__ retval = __copysignl (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 = __nanl ("");
- __imag__ retval = __nanl ("");
-
-#ifdef FE_INVALID
- feraiseexcept (FE_INVALID);
-#endif
- }
- }
- else if (rcls == FP_INFINITE)
- {
- /* Real part is infinite. */
- if (icls >= FP_ZERO)
- {
- /* Imaginary part is finite. */
- long double value = signbit (__real__ x) ? 0.0 : HUGE_VALL;
-
- if (icls == FP_ZERO)
- {
- /* Imaginary part is 0.0. */
- __real__ retval = value;
- __imag__ retval = __imag__ x;
- }
- else
- {
- long double sinix, cosix;
-
- __sincosl (__imag__ x, &sinix, &cosix);
-
- __real__ retval = __copysignl (value, cosix);
- __imag__ retval = __copysignl (value, sinix);
- }
- }
- else if (signbit (__real__ x) == 0)
- {
- __real__ retval = HUGE_VALL;
- __imag__ retval = __nanl ("");
-
-#ifdef FE_INVALID
- if (icls == FP_INFINITE)
- feraiseexcept (FE_INVALID);
-#endif
- }
- else
- {
- __real__ retval = 0.0;
- __imag__ retval = __copysignl (0.0, __imag__ x);
- }
- }
- else
- {
- /* If the real part is NaN the result is NaN + iNaN. */
- __real__ retval = __nanl ("");
- __imag__ retval = __nanl ("");
-
-#ifdef FE_INVALID
- if (rcls != FP_NAN || icls != FP_NAN)
- feraiseexcept (FE_INVALID);
-#endif
- }
-
- return retval;
-}
-weak_alias (__cexpl, cexpl)