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* tests/test-logb.h: New file, based on tests/test-logb.c and tests/test-frexp.h. * tests/test-logb.c: Include minus-zero.h, test-logb.h. (main): Just invoke test_function. * modules/logb-tests (Files): Add tests/test-logb.h, tests/minus-zero.h, tests/randomd.c. (Makefile.am): Add randomd.c to test_logb_SOURCES.
55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
/* Test of logb() 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 (logb, double, (double));
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#include <float.h>
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#include "minus-zero.h"
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#include "macros.h"
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#define DOUBLE double
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/* The use of 'volatile' guarantees that excess precision bits are dropped
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when dealing with denormalized numbers. It is necessary on x86 systems
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where double-floats are not IEEE compliant by default, to avoid that the
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results become platform and compiler option dependent. 'volatile' is a
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portable alternative to gcc's -ffloat-store option. */
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#define VOLATILE volatile
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#define HUGEVAL HUGE_VAL
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#define L_(literal) literal
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#define MINUS_ZERO minus_zerod
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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 MIN_NORMAL_EXP DBL_MIN_EXP
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#define LOGB logb
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#define RANDOM randomd
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#include "test-logb.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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