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/* Return the mantissa of a floating-point number.
Copyright (C) 2018-2025 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
/*
* significand(x) computes just
* scalb(x, (FLOAT) - ilogb(x)),
* for exercising the fraction-part(F) IEEE 754-1985 test vector.
*/
#include <math.h>
#include <math_private.h>
FLOAT
M_DECL_FUNC (__significand) (FLOAT x)
{
return M_SUF (__ieee754_scalb) (x,(FLOAT) - M_SUF (__ilogb) (x));
}
/* Don't provide _FloatN aliases for significand which was originally
from BSD and never made in any standard. */
#undef libm_alias_float_other_r
#define libm_alias_float_other_r(from, to, r)
#undef libm_alias_double_other_r
#define libm_alias_double_other_r(from, to, r)
#undef libm_alias_ldouble_other_r
#define libm_alias_ldouble_other_r(from, to, r)
#undef libm_alias_float128_other_r
#define libm_alias_float128_other_r(from, to, r)
declare_mgen_alias (__significand, significand)
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