diff options
Diffstat (limited to 'sysdeps/m68k/fpu/e_scalb.c')
-rw-r--r-- | sysdeps/m68k/fpu/e_scalb.c | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/sysdeps/m68k/fpu/e_scalb.c b/sysdeps/m68k/fpu/e_scalb.c deleted file mode 100644 index 88edba1..0000000 --- a/sysdeps/m68k/fpu/e_scalb.c +++ /dev/null @@ -1,60 +0,0 @@ -/* Copyright (C) 1997, 1999 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>. - - 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 <math.h> -#include "math_private.h" -#include "mathimpl.h" - -#ifndef SUFF -#define SUFF -#endif -#ifndef float_type -#define float_type double -#endif - -#define CONCATX(a,b) __CONCAT(a,b) -#define s(name) CONCATX(name,SUFF) -#define m81(func) __m81_u(s(func)) - -float_type -s(__ieee754_scalb) (float_type x, float_type fn) -{ - float_type retval; - unsigned long x_cond = __m81_test (x); - unsigned long fn_cond = __m81_test (fn); - - if ((x_cond | fn_cond) & __M81_COND_NAN) - return x * fn; - - if (fn_cond & __M81_COND_INF) - { - if (!(fn_cond & __M81_COND_NEG)) - return x * fn; - else if (x_cond & __M81_COND_ZERO) - return x; - else - return x / -fn; - } - - if (m81(__rint) (fn) != fn) - return (x - x) / (x - x); - - __asm ("fscale%.x %1, %0" : "=f" (retval) : "f" (fn), "0" (x)); - return retval; -} |