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[/] [scarts/] [trunk/] [toolchain/] [scarts-newlib/] [newlib-1.17.0/] [newlib/] [libm/] [machine/] [spu/] [headers/] [log10d2.h] - Rev 9

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/* --------------------------------------------------------------  */
/* (C)Copyright 2001,2008,                                         */
/* International Business Machines Corporation,                    */
/* Sony Computer Entertainment, Incorporated,                      */
/* Toshiba Corporation,                                            */
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/* --------------------------------------------------------------  */
/* PROLOG END TAG zYx                                              */
#ifdef __SPU__
#ifndef _LOG10D2_H_
#define _LOG10D2_H_	1
 
#include <spu_intrinsics.h>
 
 
#include "log2d2.h"
 
/*
 * FUNCTION
 *	vector double _log10d2(vector double x)
 *
 * DESCRIPTION
 *	_log10d2 computes log (base 10) for each of the double word
 *      elements the input vector x. log10_v
 *	is computed using log2d2 as follows:
 *	
 *	   log10d2(x) = log2d2(x) / log2d2(10);
 */
static __inline vector double _log10d2(vector double x)
{
  return (spu_mul(_log2d2(x), spu_splats(0.301029995663981195213)));
}
 
#endif /* _LOG10D2_H_ */
#endif /* __SPU__ */
 

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