newlib-cygwin/newlib/libm/machine/amdgcn/v64sf_tgamma.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.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*
*/
/* Based on newlib/libm/math/ef_tgamma.c in Newlib. */
#include "amdgcnmach.h"
v64sf v64sf_expf_aux (v64sf x, v64si __mask);
v64sf v64sf_lgammaf_r_aux (v64sf x, v64si *signgamp, v64si __mask);
DEF_VS_MATH_FUNC (v64sf, tgammaf, v64sf x)
{
v64si signgam_local;
v64sf y = v64sf_expf_aux(v64sf_lgammaf_r_aux(x, &signgam_local, __mask), __mask);
VECTOR_COND_MOVE(y, -y, signgam_local < 0);
return y;
}
DEF_VARIANTS (tgammaf, sf, sf)