Blame sysdeps/ieee754/flt-32/s_totalordermagf.c

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/* Total order operation on absolute values.  flt-32 version.
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   Copyright (C) 2016-2018 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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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 <math.h>
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#include <math_private.h>
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#include <libm-alias-float.h>
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#include <nan-high-order-bit.h>
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#include <stdint.h>
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int
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__totalordermagf (float x, float y)
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{
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  uint32_t ix, iy;
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  GET_FLOAT_WORD (ix, x);
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  GET_FLOAT_WORD (iy, y);
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  ix &= 0x7fffffff;
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  iy &= 0x7fffffff;
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#if HIGH_ORDER_BIT_IS_SET_FOR_SNAN
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  /* For the preferred quiet NaN convention, this operation is a
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     comparison of the representations of the absolute values of the
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     arguments.  If both arguments are NaNs, invert the
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     quiet/signaling bit so comparing that way works.  */
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  if (ix > 0x7f800000 && iy > 0x7f800000)
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    {
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      ix ^= 0x00400000;
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      iy ^= 0x00400000;
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    }
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#endif
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  return ix <= iy;
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}
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libm_alias_float (__totalordermag, totalordermag)