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143006bf1d
to math subdir.
* sysdeps/alpha/soft-fp/e_sqrtl.c: Don't use local-soft-fp.h.
(__ieee754_sqrtl): Add _round local variable.
* sysdeps/unix/sysv/linux/alpha/fpu/Implies: Remove.
* sysdeps/unix/sysv/linux/alpha/fxstatat.c: Fix hidden defs.
41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/* long double square root in software floating-point emulation.
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Copyright (C) 1997, 1999, 2006 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Richard Henderson (rth@cygnus.com) and
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Jakub Jelinek (jj@ultra.linux.cz).
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <stdlib.h>
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#include <soft-fp.h>
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#include <quad.h>
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long double
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__ieee754_sqrtl (const long double a)
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{
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FP_DECL_EX;
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FP_DECL_Q(A); FP_DECL_Q(C);
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long double c;
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long _round = 4; /* dynamic rounding */
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FP_INIT_ROUNDMODE;
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FP_UNPACK_Q(A, a);
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FP_SQRT_Q(C, A);
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FP_PACK_Q(c, C);
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FP_HANDLE_EXCEPTIONS;
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return c;
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}
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