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author | Paul E. Murphy <murphyp@linux.vnet.ibm.com> | 2016-06-27 17:11:46 -0500 |
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committer | Paul E. Murphy <murphyp@linux.vnet.ibm.com> | 2016-08-19 11:28:55 -0500 |
commit | 01ee387015a2075c45a4e1ad45d39e50b5a6d40b (patch) | |
tree | c8d2a88b0900c294d5e82fe869908d46b3ca838f /math/s_ccoshf.c | |
parent | 281f5073e5a6d2cd3733acd9c773c8c6340468c4 (diff) | |
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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_ccoshf.c')
-rw-r--r-- | math/s_ccoshf.c | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/math/s_ccoshf.c b/math/s_ccoshf.c deleted file mode 100644 index d572b76193..0000000000 --- a/math/s_ccoshf.c +++ /dev/null @@ -1,145 +0,0 @@ -/* Complex cosine hyperbole function for float. - 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__ float -__ccoshf (__complex__ float x) -{ - __complex__ float 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) ((FLT_MAX_EXP - 1) * M_LN2); - float sinix, cosix; - - if (__glibc_likely (fabsf (__imag__ x) > FLT_MIN)) - { - __sincosf (__imag__ x, &sinix, &cosix); - } - else - { - sinix = __imag__ x; - cosix = 1.0f; - } - - if (fabsf (__real__ x) > t) - { - float exp_t = __ieee754_expf (t); - float rx = fabsf (__real__ x); - if (signbit (__real__ x)) - sinix = -sinix; - rx -= t; - sinix *= exp_t / 2.0f; - cosix *= exp_t / 2.0f; - if (rx > t) - { - rx -= t; - sinix *= exp_t; - cosix *= exp_t; - } - if (rx > t) - { - /* Overflow (original real part of x > 3t). */ - __real__ retval = FLT_MAX * cosix; - __imag__ retval = FLT_MAX * sinix; - } - else - { - float exp_val = __ieee754_expf (rx); - __real__ retval = exp_val * cosix; - __imag__ retval = exp_val * sinix; - } - } - else - { - __real__ retval = __ieee754_coshf (__real__ x) * cosix; - __imag__ retval = __ieee754_sinhf (__real__ x) * sinix; - } - - math_check_force_underflow_complex (retval); - } - else - { - __imag__ retval = __real__ x == 0.0 ? 0.0 : __nanf (""); - __real__ retval = __nanf (""); - - 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. */ - float sinix, cosix; - - if (__glibc_likely (fabsf (__imag__ x) > FLT_MIN)) - { - __sincosf (__imag__ x, &sinix, &cosix); - } - else - { - sinix = __imag__ x; - cosix = 1.0f; - } - - __real__ retval = __copysignf (HUGE_VALF, cosix); - __imag__ retval = (__copysignf (HUGE_VALF, sinix) - * __copysignf (1.0, __real__ x)); - } - else if (icls == FP_ZERO) - { - /* Imaginary part is 0.0. */ - __real__ retval = HUGE_VALF; - __imag__ retval = __imag__ x * __copysignf (1.0, __real__ x); - } - else - { - /* The addition raises the invalid exception. */ - __real__ retval = HUGE_VALF; - __imag__ retval = __nanf ("") + __nanf (""); - - if (icls == FP_INFINITE) - feraiseexcept (FE_INVALID); - } - } - else - { - __real__ retval = __nanf (""); - __imag__ retval = __imag__ x == 0.0 ? __imag__ x : __nanf (""); - } - - return retval; -} -#ifndef __ccoshf -weak_alias (__ccoshf, ccoshf) -#endif |