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74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
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/*
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* Copyright 2023 Siemens
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*
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* The authors hereby grant permission to use, copy, modify, distribute,
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* and license this software and its documentation for any purpose, provided
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* that existing copyright notices are retained in all copies and that this
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* notice is included verbatim in any distributions. No written agreement,
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* license, or royalty fee is required for any of the authorized uses.
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* Modifications to this software may be copyrighted by their authors
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* and need not follow the licensing terms described here, provided that
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* the new terms are clearly indicated on the first page of each file where
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* they apply.
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*/
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/*
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* ====================================================
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* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
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*
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* Developed at SunPro, a Sun Microsystems, Inc. business.
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* Permission to use, copy, modify, and distribute this
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* software is freely granted, provided that this notice
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* is preserved.
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* ====================================================
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*/
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/* Based on newlib/libm/mathfp/ef_scalb.c in Newlib. */
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#include "amdgcnmach.h"
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v64si v64sf_isnanf (v64sf);
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v64si v64sf_finitef (v64sf);
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v64sf v64sf_rintf_aux (v64sf, v64si);
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v64sf v64sf_scalbnf_aux (v64sf, v64si, v64si);
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DEF_VS_MATH_FUNC (v64sf, scalbf, v64sf x, v64sf fn)
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{
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FUNCTION_INIT (v64sf);
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VECTOR_IF (v64sf_isnanf(x) | v64sf_isnanf(fn), cond)
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VECTOR_RETURN (x * fn, cond);
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VECTOR_ENDIF
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VECTOR_IF (~v64sf_finitef (fn), cond)
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VECTOR_IF2 (fn > 0.0f, cond2, cond)
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VECTOR_RETURN (x * fn, cond2);
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VECTOR_ELSE2 (cond2, cond)
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VECTOR_RETURN (x / (-fn), cond2);
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VECTOR_ENDIF
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VECTOR_ENDIF
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VECTOR_IF (v64sf_rintf_aux (fn, __mask) != fn, cond)
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VECTOR_RETURN ((fn-fn)/(fn-fn), cond);
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VECTOR_ENDIF
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#if INT_MAX > 65000
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VECTOR_IF (fn > 65000.0f, cond)
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VECTOR_RETURN (v64sf_scalbnf_aux (x, VECTOR_INIT (65000), __mask), cond);
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VECTOR_ENDIF
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VECTOR_IF (-fn > 65000.0f, cond)
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VECTOR_RETURN (v64sf_scalbnf_aux (x, VECTOR_INIT (-65000), __mask), cond);
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VECTOR_ENDIF
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#else
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VECTOR_IF (fn > 32000.0f, cond)
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VECTOR_RETURN (v64sf_scalbnf_aux (x, VECTOR_INIT (32000), __mask), cond);
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VECTOR_ENDIF
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VECTOR_IF (-fn > 32000.0f, cond)
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VECTOR_RETURN (v64sf_scalbnf_aux (x, VECTOR_INIT (-32000), __mask), cond);
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VECTOR_ENDIF
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#endif
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VECTOR_RETURN (v64sf_scalbnf_aux (x, __builtin_convertvector (fn, v64si), __mask),
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NO_COND);
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FUNCTION_RETURN;
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}
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DEF_VARIANTS2 (scalbf, sf, sf)
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