Blame math/test-fpucw.c

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/* Copyright (C) 2000-2018 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   Contributed by Andreas Jaeger <aj@suse.de>, 2000.
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   The GNU C Library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Lesser General Public
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   License as published by the Free Software Foundation; either
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   version 2.1 of the License, or (at your option) any later version.
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   The GNU C Library 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 GNU
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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public
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   License along with the GNU C Library; if not, see
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   <http://www.gnu.org/licenses/>.  */
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#include <fpu_control.h>
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#include <stdio.h>
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#ifndef FPU_CONTROL
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# define FPU_CONTROL _FPU_DEFAULT
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#endif
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static int
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do_test (void)
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{
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#ifdef _FPU_GETCW
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/* Some architectures don't have _FPU_GETCW (e.g. Linux/Alpha).  */
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  fpu_control_t cw;
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  _FPU_GETCW (cw);
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  cw &= ~_FPU_RESERVED;
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  if (cw != (FPU_CONTROL & ~_FPU_RESERVED))
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    printf ("control word is 0x%lx but should be 0x%lx.\n",
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	    (long int) cw, (long int) (FPU_CONTROL & ~_FPU_RESERVED));
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  return cw != (FPU_CONTROL & ~_FPU_RESERVED);
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#else
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  return 0;
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#endif
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"