27 lines
881 B
C
27 lines
881 B
C
|
/*
|
||
|
|
* 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"
|
||
|
|
|
||
|
|
v64df v64df_log_aux (v64df, v64di);
|
||
|
|
|
||
|
|
static const double C3 = 1.4426950408889634073599246810019;
|
||
|
|
|
||
|
|
DEF_VD_MATH_FUNC (v64df, log2, v64df x)
|
||
|
|
{
|
||
|
|
return v64df_log_aux (x, __mask) * C3;
|
||
|
|
}
|
||
|
|
|
||
|
|
DEF_VARIANTS (log2, df, df)
|