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/* Test of logl() function.
   Copyright (C) 2010-2025 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 (logl, long double, (long double));

#include <float.h>

#include "fpucw.h"
#include "minus-zero.h"
#include "macros.h"

#define DOUBLE long double
#define HUGEVAL HUGE_VALL
#define L_(literal) literal##L
#define MANT_DIG LDBL_MANT_DIG
#define MINUS_ZERO minus_zerol
#define LOG logl
#define RANDOM randoml
#include "test-log.h"

int
main ()
{
  DECL_LONG_DOUBLE_ROUNDING

  BEGIN_LONG_DOUBLE_ROUNDING ();

  /* A particular value.  */
  x = 0.6L;
  y = logl (x);
  ASSERT (y >= -0.5108256238L && y <= -0.5108256237L);

  test_function ();

  return test_exit_status;
}
kc3-lang/gnulib/tests/test-logl.c

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tests/test-logl.c
