From 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Thu, 12 Jul 2007 18:26:36 +0000 Subject: 2.5-18.1 --- sysdeps/generic/s_csinf.c | 129 ---------------------------------------------- 1 file changed, 129 deletions(-) delete mode 100644 sysdeps/generic/s_csinf.c (limited to 'sysdeps/generic/s_csinf.c') diff --git a/sysdeps/generic/s_csinf.c b/sysdeps/generic/s_csinf.c deleted file mode 100644 index 8004743..0000000 --- a/sysdeps/generic/s_csinf.c +++ /dev/null @@ -1,129 +0,0 @@ -/* Complex sine function for float. - Copyright (C) 1997 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper , 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 -#include -#include - -#include "math_private.h" - - -__complex__ float -__csinf (__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 (icls >= FP_ZERO) - { - /* Imaginary part is finite. */ - if (rcls >= FP_ZERO) - { - /* Real part is finite. */ - float sinh_val = __ieee754_sinhf (__imag__ x); - float cosh_val = __ieee754_coshf (__imag__ x); - float sinix, cosix; - - __sincosf (__real__ x, &sinix, &cosix); - - __real__ retval = cosh_val * sinix; - __imag__ retval = sinh_val * cosix; - - if (negate) - __real__ retval = -__real__ retval; - } - else - { - if (icls == FP_ZERO) - { - /* Imaginary part is 0.0. */ - __real__ retval = __nanf (""); - __imag__ retval = __imag__ x; - -#ifdef FE_INVALID - if (rcls == FP_INFINITE) - feraiseexcept (FE_INVALID); -#endif - } - else - { - __real__ retval = __nanf (""); - __imag__ retval = __nanf (""); - -#ifdef FE_INVALID - feraiseexcept (FE_INVALID); -#endif - } - } - } - else if (icls == FP_INFINITE) - { - /* Imaginary part is infinite. */ - if (rcls == FP_ZERO) - { - /* Real part is 0.0. */ - __real__ retval = __copysignf (0.0, negate ? -1.0 : 1.0); - __imag__ retval = __imag__ x; - } - else if (rcls > FP_ZERO) - { - /* Real part is finite. */ - float sinix, cosix; - - __sincosf (__real__ x, &sinix, &cosix); - - __real__ retval = __copysignf (HUGE_VALF, sinix); - __imag__ retval = __copysignf (HUGE_VALF, cosix); - - if (negate) - __real__ retval = -__real__ retval; - if (signbit (__imag__ x)) - __imag__ retval = -__imag__ retval; - } - else - { - /* The addition raises the invalid exception. */ - __real__ retval = __nanf (""); - __imag__ retval = HUGE_VALF; - -#ifdef FE_INVALID - if (rcls == FP_INFINITE) - feraiseexcept (FE_INVALID); -#endif - } - } - else - { - if (rcls == FP_ZERO) - __real__ retval = __copysignf (0.0, negate ? -1.0 : 1.0); - else - __real__ retval = __nanf (""); - __imag__ retval = __nanf (""); - } - - return retval; -} -#ifndef __csinf -weak_alias (__csinf, csinf) -#endif -- cgit v1.1