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58f8ff534c
* tests/test-exp2.h (test_function): Test all integral arguments that don't need to overflow or denormalized numbers. * tests/test-exp2.c (MAX_EXP, MIN_EXP): New macros. * tests/test-exp2f.c (MAX_EXP, MIN_EXP): Likewise. * tests/test-exp2l.c (MAX_EXP, MIN_EXP): Likewise.
51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
/* Test of exp2() function.
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Copyright (C) 2010-2012 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>, 2010. */
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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 (exp2, double, (double));
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#include <float.h>
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#include "macros.h"
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#define DOUBLE double
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#define L_(literal) literal
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#define MANT_DIG DBL_MANT_DIG
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#define MAX_EXP DBL_MAX_EXP
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#define MIN_EXP DBL_MIN_EXP
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#define EXP2 exp2
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#define RANDOM randomd
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#include "test-exp2.h"
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int
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main ()
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{
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/* A particular value. */
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x = 0.6;
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y = exp2 (x);
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ASSERT (y >= 1.515716566 && y <= 1.515716567);
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test_function ();
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return 0;
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}
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