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author | Paul E. Murphy <murphyp@linux.vnet.ibm.com> | 2016-06-28 08:49:23 -0500 |
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committer | Paul E. Murphy <murphyp@linux.vnet.ibm.com> | 2016-08-19 16:46:41 -0500 |
commit | c50eee19c447d3f2c182dc3a22f2b01a053dca41 (patch) | |
tree | 3b5f0d5c832bad20fce31502026f27fd6915ea8f /math/s_csinhf.c | |
parent | ffb84f5e197aaa9d46a35df84689c75d689d73cb (diff) | |
download | glibc-c50eee19c447d3f2c182dc3a22f2b01a053dca41.tar.gz glibc-c50eee19c447d3f2c182dc3a22f2b01a053dca41.tar.xz glibc-c50eee19c447d3f2c182dc3a22f2b01a053dca41.zip |
Convert _Complex sine functions to generated code
Refactor s_c{,a}sin{,h}{f,,l} into a single templated macro.
Diffstat (limited to 'math/s_csinhf.c')
-rw-r--r-- | math/s_csinhf.c | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/math/s_csinhf.c b/math/s_csinhf.c deleted file mode 100644 index 36b42ca465..0000000000 --- a/math/s_csinhf.c +++ /dev/null @@ -1,164 +0,0 @@ -/* Complex sine 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 -__csinhf (__complex__ float x) -{ - __complex__ float retval; - int negate = signbit (__real__ x); - int rcls = fpclassify (__real__ x); - int icls = fpclassify (__imag__ x); - - __real__ x = fabsf (__real__ 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 (negate) - cosix = -cosix; - - if (fabsf (__real__ x) > t) - { - float exp_t = __ieee754_expf (t); - float rx = fabsf (__real__ x); - if (signbit (__real__ x)) - cosix = -cosix; - 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_sinhf (__real__ x) * cosix; - __imag__ retval = __ieee754_coshf (__real__ x) * sinix; - } - - math_check_force_underflow_complex (retval); - } - else - { - if (rcls == FP_ZERO) - { - /* Real part is 0.0. */ - __real__ retval = __copysignf (0.0, negate ? -1.0 : 1.0); - __imag__ retval = __nanf ("") + __nanf (""); - - if (icls == FP_INFINITE) - feraiseexcept (FE_INVALID); - } - else - { - __real__ retval = __nanf (""); - __imag__ retval = __nanf (""); - - 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); - - if (negate) - __real__ retval = -__real__ retval; - } - else if (icls == FP_ZERO) - { - /* Imaginary part is 0.0. */ - __real__ retval = negate ? -HUGE_VALF : HUGE_VALF; - __imag__ retval = __imag__ 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 __csinhf -weak_alias (__csinhf, csinhf) -#endif |