newlib-cygwin/newlib/libm/machine/amdgcn/v64sf_log2.c

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/*
* Copyright 2023 Siemens
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice is included verbatim in any distributions. No written agreement,
* license, or royalty fee is required for any of the authorized uses.
* Modifications to this software may be copyrighted by their authors
* and need not follow the licensing terms described here, provided that
* the new terms are clearly indicated on the first page of each file where
* they apply.
*/
#include "amdgcnmach.h"
v64sf v64sf_logf_aux (v64sf, v64si);
static const float C3 = 1.4426950408889634073599246810019;
DEF_VS_MATH_FUNC (v64sf, log2f, v64sf x)
{
return v64sf_logf_aux (x, __mask) * C3;
}
DEF_VARIANTS (log2f, sf, sf)