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/* Test of atanl() function.
Copyright (C) 2010-2023 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2010. */
#include <config.h>
#include <math.h>
#include "signature.h"
SIGNATURE_CHECK (atanl, long double, (long double));
#include "fpucw.h"
#include "macros.h"
volatile long double x;
long double y;
int
main ()
{
DECL_LONG_DOUBLE_ROUNDING
BEGIN_LONG_DOUBLE_ROUNDING ();
/* A particular value. */
x = 0.6L;
y = atanl (x);
ASSERT (y >= 0.5404195002L && y <= 0.5404195003L);
return 0;
}
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