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68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
/* Test of ilogbl() function.
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Copyright (C) 2012-2017 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2012. */
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#include <config.h>
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#include <math.h>
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#include "signature.h"
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SIGNATURE_CHECK (ilogbl, int, (long double));
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#include <float.h>
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#include <limits.h>
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#include "minus-zero.h"
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#include "infinity.h"
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#include "nan.h"
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#include "macros.h"
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#undef INFINITY
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#undef NAN
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#define DOUBLE long double
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#define VOLATILE
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#define INFINITY Infinityl ()
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#define NAN NaNl ()
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#define L_(literal) literal##L
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#define MINUS_ZERO minus_zerol
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#define MAX_EXP LDBL_MAX_EXP
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#define MIN_EXP LDBL_MIN_EXP
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/* On MIPS IRIX machines, LDBL_MIN_EXP is -1021, but the smallest reliable
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exponent for 'long double' is -964. Similarly, on PowerPC machines,
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LDBL_MIN_EXP is -1021, but the smallest reliable exponent for 'long double'
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is -968. For exponents below that, the precision may be truncated to the
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precision used for 'double'. */
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#ifdef __sgi
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# define MIN_NORMAL_EXP (LDBL_MIN_EXP + 57)
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#elif defined __ppc || defined __ppc__ || defined __powerpc || defined __powerpc__
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# define MIN_NORMAL_EXP (LDBL_MIN_EXP + 53)
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#else
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# define MIN_NORMAL_EXP LDBL_MIN_EXP
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#endif
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#define ILOGB ilogbl
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#define RANDOM randoml
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#include "test-ilogb.h"
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int
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main ()
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{
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test_function ();
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return 0;
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}
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