diff options
author | Paul E. Murphy <murphyp@linux.vnet.ibm.com> | 2016-06-27 17:11:46 -0500 |
---|---|---|
committer | Paul E. Murphy <murphyp@linux.vnet.ibm.com> | 2016-08-19 11:28:55 -0500 |
commit | 01ee387015a2075c45a4e1ad45d39e50b5a6d40b (patch) | |
tree | c8d2a88b0900c294d5e82fe869908d46b3ca838f /math/s_ccoshl.c | |
parent | 281f5073e5a6d2cd3733acd9c773c8c6340468c4 (diff) | |
download | glibc-01ee387015a2075c45a4e1ad45d39e50b5a6d40b.zip glibc-01ee387015a2075c45a4e1ad45d39e50b5a6d40b.tar.gz glibc-01ee387015a2075c45a4e1ad45d39e50b5a6d40b.tar.bz2 |
Convert _Complex cosine functions to generated code
This is fairly straight fowards. m68k overrides are
updated to use the framework, and thus are simplified
a bit.
Diffstat (limited to 'math/s_ccoshl.c')
-rw-r--r-- | math/s_ccoshl.c | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/math/s_ccoshl.c b/math/s_ccoshl.c deleted file mode 100644 index d38f0aa..0000000 --- a/math/s_ccoshl.c +++ /dev/null @@ -1,143 +0,0 @@ -/* Complex cosine hyperbole function for long double. - Copyright (C) 1997-2016 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, see - <http://www.gnu.org/licenses/>. */ - -#include <complex.h> -#include <fenv.h> -#include <math.h> -#include <math_private.h> -#include <float.h> - -__complex__ long double -__ccoshl (__complex__ long double x) -{ - __complex__ long double retval; - int rcls = fpclassify (__real__ x); - int icls = fpclassify (__imag__ x); - - if (__glibc_likely (rcls >= FP_ZERO)) - { - /* Real part is finite. */ - if (__glibc_likely (icls >= FP_ZERO)) - { - /* Imaginary part is finite. */ - const int t = (int) ((LDBL_MAX_EXP - 1) * M_LN2l); - long double sinix, cosix; - - if (__glibc_likely (fabsl (__imag__ x) > LDBL_MIN)) - { - __sincosl (__imag__ x, &sinix, &cosix); - } - else - { - sinix = __imag__ x; - cosix = 1.0; - } - - if (fabsl (__real__ x) > t) - { - long double exp_t = __ieee754_expl (t); - long double rx = fabsl (__real__ x); - if (signbit (__real__ x)) - sinix = -sinix; - rx -= t; - sinix *= exp_t / 2.0L; - cosix *= exp_t / 2.0L; - if (rx > t) - { - rx -= t; - sinix *= exp_t; - cosix *= exp_t; - } - if (rx > t) - { - /* Overflow (original real part of x > 3t). */ - __real__ retval = LDBL_MAX * cosix; - __imag__ retval = LDBL_MAX * sinix; - } - else - { - long double exp_val = __ieee754_expl (rx); - __real__ retval = exp_val * cosix; - __imag__ retval = exp_val * sinix; - } - } - else - { - __real__ retval = __ieee754_coshl (__real__ x) * cosix; - __imag__ retval = __ieee754_sinhl (__real__ x) * sinix; - } - - math_check_force_underflow_complex (retval); - } - else - { - __imag__ retval = __real__ x == 0.0 ? 0.0 : __nanl (""); - __real__ retval = __nanl ("") + __nanl (""); - - if (icls == FP_INFINITE) - feraiseexcept (FE_INVALID); - } - } - else if (rcls == FP_INFINITE) - { - /* Real part is infinite. */ - if (__glibc_likely (icls > FP_ZERO)) - { - /* Imaginary part is finite. */ - long double sinix, cosix; - - if (__glibc_likely (fabsl (__imag__ x) > LDBL_MIN)) - { - __sincosl (__imag__ x, &sinix, &cosix); - } - else - { - sinix = __imag__ x; - cosix = 1.0; - } - - __real__ retval = __copysignl (HUGE_VALL, cosix); - __imag__ retval = (__copysignl (HUGE_VALL, sinix) - * __copysignl (1.0, __real__ x)); - } - else if (icls == FP_ZERO) - { - /* Imaginary part is 0.0. */ - __real__ retval = HUGE_VALL; - __imag__ retval = __imag__ x * __copysignl (1.0, __real__ x); - } - else - { - /* The addition raises the invalid exception. */ - __real__ retval = HUGE_VALL; - __imag__ retval = __nanl ("") + __nanl (""); - - if (icls == FP_INFINITE) - feraiseexcept (FE_INVALID); - } - } - else - { - __real__ retval = __nanl (""); - __imag__ retval = __imag__ x == 0.0 ? __imag__ x : __nanl (""); - } - - return retval; -} -weak_alias (__ccoshl, ccoshl) |